/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:43:27,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:43:27,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:43:27,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:43:27,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:43:27,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:43:27,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:43:27,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:43:27,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:43:27,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:43:27,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:43:27,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:43:27,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:43:27,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:43:27,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:43:27,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:43:27,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:43:27,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:43:27,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:43:27,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:43:27,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:43:27,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:43:27,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:43:27,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:43:27,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:43:27,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:43:27,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:43:27,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:43:27,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:43:27,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:43:27,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:43:27,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:43:27,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:43:27,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:43:27,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:43:27,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:43:27,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:43:27,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:43:27,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:43:27,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:43:27,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:43:27,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:43:27,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:43:27,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:43:27,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:43:27,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:43:27,336 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:43:27,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:43:27,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:43:27,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:43:27,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:43:27,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:43:27,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:43:27,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:43:27,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:43:27,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:43:27,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:43:27,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:43:27,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:43:27,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:43:27,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:43:27,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:43:27,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:43:27,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:43:27,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:43:27,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:43:27,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:43:27,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:43:27,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:43:27,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:43:27,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:43:27,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:43:27,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:43:27,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:43:27,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:43:27,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:43:27,783 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:43:27,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label14.c [2020-10-29 06:43:27,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64be7998b/9ae20037dc404a6b968dc8d27322bd19/FLAG208f4da90 [2020-10-29 06:43:28,621 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:43:28,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label14.c [2020-10-29 06:43:28,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64be7998b/9ae20037dc404a6b968dc8d27322bd19/FLAG208f4da90 [2020-10-29 06:43:28,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64be7998b/9ae20037dc404a6b968dc8d27322bd19 [2020-10-29 06:43:28,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:43:28,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:43:28,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:43:28,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:43:28,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:43:28,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:43:28" (1/1) ... [2020-10-29 06:43:28,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274f5357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:28, skipping insertion in model container [2020-10-29 06:43:28,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:43:28" (1/1) ... [2020-10-29 06:43:28,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:43:28,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:43:29,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:43:29,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:43:29,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:43:29,799 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:43:29,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29 WrapperNode [2020-10-29 06:43:29,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:43:29,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:43:29,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:43:29,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:43:29,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... [2020-10-29 06:43:29,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:43:29,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:43:29,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:43:29,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:43:29,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:43:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:43:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:43:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:43:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:43:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:43:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:43:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:43:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:43:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:43:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:43:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:43:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:43:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:43:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:43:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:43:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:43:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:43:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:43:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:43:32,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:43:32,324 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:43:32,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:43:32 BoogieIcfgContainer [2020-10-29 06:43:32,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:43:32,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:43:32,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:43:32,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:43:32,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:43:28" (1/3) ... [2020-10-29 06:43:32,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203e55a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:43:32, skipping insertion in model container [2020-10-29 06:43:32,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:43:29" (2/3) ... [2020-10-29 06:43:32,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203e55a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:43:32, skipping insertion in model container [2020-10-29 06:43:32,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:43:32" (3/3) ... [2020-10-29 06:43:32,338 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label14.c [2020-10-29 06:43:32,352 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:43:32,358 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:43:32,373 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:43:32,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:43:32,407 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:43:32,407 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:43:32,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:43:32,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:43:32,407 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:43:32,408 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:43:32,408 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:43:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:43:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 06:43:32,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:32,443 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, 1, 1] [2020-10-29 06:43:32,443 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:32,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:32,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1944381794, now seen corresponding path program 1 times [2020-10-29 06:43:32,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:32,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207688117] [2020-10-29 06:43:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:32,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:33,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 06:43:33,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 532 [2020-10-29 06:43:33,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:33,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:43:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 06:43:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 06:43:33,381 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-29 06:43:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:33,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:33,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:33,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:33,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:33,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 06:43:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:33,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:43:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:43:33,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207688117] [2020-10-29 06:43:33,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:43:33,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:43:33,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110043178] [2020-10-29 06:43:33,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:43:33,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:33,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:43:33,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:43:33,505 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:43:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:36,665 INFO L93 Difference]: Finished difference Result 811 states and 1410 transitions. [2020-10-29 06:43:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:43:36,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-29 06:43:36,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:36,685 INFO L225 Difference]: With dead ends: 811 [2020-10-29 06:43:36,686 INFO L226 Difference]: Without dead ends: 435 [2020-10-29 06:43:36,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:43:36,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-29 06:43:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 429. [2020-10-29 06:43:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-29 06:43:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 618 transitions. [2020-10-29 06:43:36,799 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 618 transitions. Word has length 23 [2020-10-29 06:43:36,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:36,800 INFO L481 AbstractCegarLoop]: Abstraction has 429 states and 618 transitions. [2020-10-29 06:43:36,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:43:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2020-10-29 06:43:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-29 06:43:36,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:36,805 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:36,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:43:36,806 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:36,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:36,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1325780861, now seen corresponding path program 1 times [2020-10-29 06:43:36,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:36,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062688558] [2020-10-29 06:43:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:36,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:37,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:38,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 06:43:38,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:38,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1308 [2020-10-29 06:43:38,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:38,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:38,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:38,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:43:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:43:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:43:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:38,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 06:43:38,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:38,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:38,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:43:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:38,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:38,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:43:38,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-29 06:43:38,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:38,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:43:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:43:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:43:38,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062688558] [2020-10-29 06:43:38,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:43:38,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 06:43:38,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677473441] [2020-10-29 06:43:38,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:43:38,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:38,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:43:38,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:43:38,672 INFO L87 Difference]: Start difference. First operand 429 states and 618 transitions. Second operand 8 states. [2020-10-29 06:43:43,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:43,349 INFO L93 Difference]: Finished difference Result 1663 states and 2474 transitions. [2020-10-29 06:43:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:43:43,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-29 06:43:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:43,366 INFO L225 Difference]: With dead ends: 1663 [2020-10-29 06:43:43,367 INFO L226 Difference]: Without dead ends: 1240 [2020-10-29 06:43:43,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:43:43,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-10-29 06:43:43,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1204. [2020-10-29 06:43:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-29 06:43:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1689 transitions. [2020-10-29 06:43:43,496 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1689 transitions. Word has length 95 [2020-10-29 06:43:43,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:43,498 INFO L481 AbstractCegarLoop]: Abstraction has 1204 states and 1689 transitions. [2020-10-29 06:43:43,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:43:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1689 transitions. [2020-10-29 06:43:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-29 06:43:43,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:43,509 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:43,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:43:43,510 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:43,514 INFO L82 PathProgramCache]: Analyzing trace with hash 164036353, now seen corresponding path program 1 times [2020-10-29 06:43:43,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:43,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435743057] [2020-10-29 06:43:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:43,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:45,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:45,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 06:43:45,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1576 [2020-10-29 06:43:45,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:45,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:43:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:43:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:45,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:45,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:45,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:45,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:43:45,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:45,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:43:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:43:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:45,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:43:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 06:43:45,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:45,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:43:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:43:45,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435743057] [2020-10-29 06:43:45,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:43:45,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:43:45,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738955489] [2020-10-29 06:43:45,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:45,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:45,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:45,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:45,750 INFO L87 Difference]: Start difference. First operand 1204 states and 1689 transitions. Second operand 7 states. [2020-10-29 06:43:48,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:48,873 INFO L93 Difference]: Finished difference Result 2811 states and 3904 transitions. [2020-10-29 06:43:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:43:48,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-10-29 06:43:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:48,890 INFO L225 Difference]: With dead ends: 2811 [2020-10-29 06:43:48,891 INFO L226 Difference]: Without dead ends: 1613 [2020-10-29 06:43:48,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:43:48,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2020-10-29 06:43:48,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1604. [2020-10-29 06:43:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2020-10-29 06:43:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2134 transitions. [2020-10-29 06:43:48,982 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2134 transitions. Word has length 96 [2020-10-29 06:43:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:48,983 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2134 transitions. [2020-10-29 06:43:48,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2134 transitions. [2020-10-29 06:43:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 06:43:48,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:48,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:48,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:43:48,993 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:48,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:48,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1522032855, now seen corresponding path program 1 times [2020-10-29 06:43:48,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:48,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477874787] [2020-10-29 06:43:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:49,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:49,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 06:43:49,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:49,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 861 [2020-10-29 06:43:49,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:49,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:43:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:43:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:43:49,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:50,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:50,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:50,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:50,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:43:50,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:50,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:43:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:50,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:50,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:50,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:50,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:43:50,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-29 06:43:50,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:50,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:43:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:43:50,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477874787] [2020-10-29 06:43:50,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:50,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:43:50,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784007480] [2020-10-29 06:43:50,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:43:50,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:50,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:43:50,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:50,523 INFO L87 Difference]: Start difference. First operand 1604 states and 2134 transitions. Second operand 6 states. [2020-10-29 06:43:53,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:53,637 INFO L93 Difference]: Finished difference Result 3840 states and 5517 transitions. [2020-10-29 06:43:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:43:53,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2020-10-29 06:43:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:53,655 INFO L225 Difference]: With dead ends: 3840 [2020-10-29 06:43:53,655 INFO L226 Difference]: Without dead ends: 2620 [2020-10-29 06:43:53,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:43:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2620 states. [2020-10-29 06:43:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2620 to 2591. [2020-10-29 06:43:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-10-29 06:43:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3377 transitions. [2020-10-29 06:43:53,754 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3377 transitions. Word has length 139 [2020-10-29 06:43:53,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:53,755 INFO L481 AbstractCegarLoop]: Abstraction has 2591 states and 3377 transitions. [2020-10-29 06:43:53,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:43:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3377 transitions. [2020-10-29 06:43:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 06:43:53,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:53,758 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:53,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:43:53,759 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:53,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:53,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1218992118, now seen corresponding path program 1 times [2020-10-29 06:43:53,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:53,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979852016] [2020-10-29 06:43:53,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:53,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:54,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:54,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-29 06:43:54,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:54,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-29 06:43:54,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:54,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 06:43:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:43:54,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:54,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:54,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:54,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:54,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:54,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:43:54,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:54,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:54,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:54,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:54,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:54,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:43:54,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:54,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:43:54,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979852016] [2020-10-29 06:43:54,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:54,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:43:54,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211163314] [2020-10-29 06:43:54,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:43:54,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:54,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:43:54,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:43:54,546 INFO L87 Difference]: Start difference. First operand 2591 states and 3377 transitions. Second operand 5 states. [2020-10-29 06:43:57,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:57,463 INFO L93 Difference]: Finished difference Result 5584 states and 7483 transitions. [2020-10-29 06:43:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:43:57,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-29 06:43:57,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:57,481 INFO L225 Difference]: With dead ends: 5584 [2020-10-29 06:43:57,481 INFO L226 Difference]: Without dead ends: 3377 [2020-10-29 06:43:57,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:57,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states. [2020-10-29 06:43:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 3170. [2020-10-29 06:43:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2020-10-29 06:43:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4105 transitions. [2020-10-29 06:43:57,581 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4105 transitions. Word has length 154 [2020-10-29 06:43:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:57,582 INFO L481 AbstractCegarLoop]: Abstraction has 3170 states and 4105 transitions. [2020-10-29 06:43:57,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:43:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4105 transitions. [2020-10-29 06:43:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-29 06:43:57,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:57,586 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:57,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:43:57,587 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:57,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:57,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1103805142, now seen corresponding path program 1 times [2020-10-29 06:43:57,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:57,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822024902] [2020-10-29 06:43:57,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:57,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:57,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:59,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:00,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-29 06:44:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:44:00,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2612 [2020-10-29 06:44:00,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:00,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:44:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:44:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-29 06:44:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:00,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:00,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:00,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:00,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 06:44:00,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:00,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:44:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:00,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:00,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-29 06:44:00,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:00,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:44:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:00,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:00,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:44:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-29 06:44:01,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:01,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:44:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:44:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-29 06:44:01,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822024902] [2020-10-29 06:44:01,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:01,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:01,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717267168] [2020-10-29 06:44:01,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:44:01,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:01,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:44:01,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:44:01,241 INFO L87 Difference]: Start difference. First operand 3170 states and 4105 transitions. Second operand 8 states. [2020-10-29 06:44:02,803 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 06:44:03,172 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-10-29 06:44:05,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:05,389 INFO L93 Difference]: Finished difference Result 7186 states and 9433 transitions. [2020-10-29 06:44:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:44:05,391 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-10-29 06:44:05,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:05,418 INFO L225 Difference]: With dead ends: 7186 [2020-10-29 06:44:05,418 INFO L226 Difference]: Without dead ends: 4390 [2020-10-29 06:44:05,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-29 06:44:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2020-10-29 06:44:05,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 4343. [2020-10-29 06:44:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4343 states. [2020-10-29 06:44:05,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 5530 transitions. [2020-10-29 06:44:05,583 INFO L78 Accepts]: Start accepts. Automaton has 4343 states and 5530 transitions. Word has length 212 [2020-10-29 06:44:05,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:05,584 INFO L481 AbstractCegarLoop]: Abstraction has 4343 states and 5530 transitions. [2020-10-29 06:44:05,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:44:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 5530 transitions. [2020-10-29 06:44:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-29 06:44:05,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:05,590 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:05,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:44:05,590 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:05,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:05,591 INFO L82 PathProgramCache]: Analyzing trace with hash -982805230, now seen corresponding path program 1 times [2020-10-29 06:44:05,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:05,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107385883] [2020-10-29 06:44:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:05,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:07,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:07,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-29 06:44:07,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:44:07,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1997 [2020-10-29 06:44:07,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:07,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:44:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:44:07,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:07,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:07,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:07,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:44:07,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:07,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:07,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:07,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:08,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:08,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:08,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:08,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-29 06:44:08,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:08,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:08,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:08,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:44:08,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:08,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:44:08,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 06:44:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:08,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:44:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:44:08,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107385883] [2020-10-29 06:44:08,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:08,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:08,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185845041] [2020-10-29 06:44:08,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:08,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:08,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:08,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:08,429 INFO L87 Difference]: Start difference. First operand 4343 states and 5530 transitions. Second operand 7 states. [2020-10-29 06:44:09,205 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-29 06:44:12,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:12,356 INFO L93 Difference]: Finished difference Result 9111 states and 11796 transitions. [2020-10-29 06:44:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:44:12,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-29 06:44:12,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:12,386 INFO L225 Difference]: With dead ends: 9111 [2020-10-29 06:44:12,387 INFO L226 Difference]: Without dead ends: 5152 [2020-10-29 06:44:12,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:44:12,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2020-10-29 06:44:12,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5134. [2020-10-29 06:44:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5134 states. [2020-10-29 06:44:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 6455 transitions. [2020-10-29 06:44:12,546 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 6455 transitions. Word has length 213 [2020-10-29 06:44:12,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:12,547 INFO L481 AbstractCegarLoop]: Abstraction has 5134 states and 6455 transitions. [2020-10-29 06:44:12,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 6455 transitions. [2020-10-29 06:44:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-29 06:44:12,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:12,552 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:12,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:44:12,552 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:12,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:12,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1175646246, now seen corresponding path program 1 times [2020-10-29 06:44:12,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:12,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175692774] [2020-10-29 06:44:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:13,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 06:44:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1048 [2020-10-29 06:44:13,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:13,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:44:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 06:44:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:44:13,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:13,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:13,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:13,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:13,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:13,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:44:13,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:13,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:13,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:13,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:13,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:13,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:13,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:13,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:13,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:13,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 06:44:13,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:13,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:13,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:13,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:14,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:14,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:44:14,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 06:44:14,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:14,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:14,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:14,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:14,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:44:14,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-29 06:44:14,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175692774] [2020-10-29 06:44:14,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:14,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:44:14,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850782854] [2020-10-29 06:44:14,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:44:14,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:14,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:44:14,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:44:14,107 INFO L87 Difference]: Start difference. First operand 5134 states and 6455 transitions. Second operand 5 states. [2020-10-29 06:44:16,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:16,823 INFO L93 Difference]: Finished difference Result 9915 states and 12552 transitions. [2020-10-29 06:44:16,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:44:16,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2020-10-29 06:44:16,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:16,848 INFO L225 Difference]: With dead ends: 9915 [2020-10-29 06:44:16,848 INFO L226 Difference]: Without dead ends: 5165 [2020-10-29 06:44:16,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:44:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2020-10-29 06:44:16,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 5132. [2020-10-29 06:44:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5132 states. [2020-10-29 06:44:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5132 states to 5132 states and 6409 transitions. [2020-10-29 06:44:17,001 INFO L78 Accepts]: Start accepts. Automaton has 5132 states and 6409 transitions. Word has length 223 [2020-10-29 06:44:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:17,002 INFO L481 AbstractCegarLoop]: Abstraction has 5132 states and 6409 transitions. [2020-10-29 06:44:17,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:44:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5132 states and 6409 transitions. [2020-10-29 06:44:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-29 06:44:17,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:17,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:17,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:44:17,007 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:17,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1578300301, now seen corresponding path program 1 times [2020-10-29 06:44:17,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:17,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706011532] [2020-10-29 06:44:17,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:18,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:18,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 06:44:18,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:18,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1436 [2020-10-29 06:44:18,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:18,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:18,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:44:18,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:44:18,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:18,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:18,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:18,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:18,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:18,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:44:18,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:18,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:18,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:18,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:18,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:18,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:18,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:44:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:18,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:19,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:19,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 06:44:19,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-29 06:44:19,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:19,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 06:44:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:44:19,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706011532] [2020-10-29 06:44:19,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:19,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:19,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990585465] [2020-10-29 06:44:19,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:19,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:19,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:19,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:19,260 INFO L87 Difference]: Start difference. First operand 5132 states and 6409 transitions. Second operand 7 states. [2020-10-29 06:44:23,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:23,737 INFO L93 Difference]: Finished difference Result 11122 states and 14445 transitions. [2020-10-29 06:44:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:44:23,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-29 06:44:23,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:23,776 INFO L225 Difference]: With dead ends: 11122 [2020-10-29 06:44:23,776 INFO L226 Difference]: Without dead ends: 6374 [2020-10-29 06:44:23,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:23,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6374 states. [2020-10-29 06:44:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6374 to 6334. [2020-10-29 06:44:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6334 states. [2020-10-29 06:44:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 7967 transitions. [2020-10-29 06:44:23,958 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 7967 transitions. Word has length 223 [2020-10-29 06:44:23,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:23,959 INFO L481 AbstractCegarLoop]: Abstraction has 6334 states and 7967 transitions. [2020-10-29 06:44:23,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 7967 transitions. [2020-10-29 06:44:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-29 06:44:23,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:23,964 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:23,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:44:23,964 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:23,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:23,965 INFO L82 PathProgramCache]: Analyzing trace with hash -959535339, now seen corresponding path program 1 times [2020-10-29 06:44:23,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:23,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706682115] [2020-10-29 06:44:23,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:24,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:24,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:25,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-29 06:44:25,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-10-29 06:44:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:25,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:44:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:44:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:25,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:25,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:25,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:25,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:25,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:44:25,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:25,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:25,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:25,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:25,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:25,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:25,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:25,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:25,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:25,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:25,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 06:44:25,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:25,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:44:25,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:44:25,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:25,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:26,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:26,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:44:26,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 06:44:26,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:26,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:44:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:44:26,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706682115] [2020-10-29 06:44:26,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:26,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:26,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720504199] [2020-10-29 06:44:26,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:26,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:26,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:26,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:26,196 INFO L87 Difference]: Start difference. First operand 6334 states and 7967 transitions. Second operand 7 states. [2020-10-29 06:44:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:30,872 INFO L93 Difference]: Finished difference Result 14244 states and 18032 transitions. [2020-10-29 06:44:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:44:30,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 227 [2020-10-29 06:44:30,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:30,905 INFO L225 Difference]: With dead ends: 14244 [2020-10-29 06:44:30,905 INFO L226 Difference]: Without dead ends: 8294 [2020-10-29 06:44:30,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8294 states. [2020-10-29 06:44:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8294 to 7694. [2020-10-29 06:44:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7694 states. [2020-10-29 06:44:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 9569 transitions. [2020-10-29 06:44:31,164 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 9569 transitions. Word has length 227 [2020-10-29 06:44:31,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:31,165 INFO L481 AbstractCegarLoop]: Abstraction has 7694 states and 9569 transitions. [2020-10-29 06:44:31,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 9569 transitions. [2020-10-29 06:44:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-29 06:44:31,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:31,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:31,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:44:31,171 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:31,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:31,172 INFO L82 PathProgramCache]: Analyzing trace with hash -934431474, now seen corresponding path program 1 times [2020-10-29 06:44:31,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:31,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716575483] [2020-10-29 06:44:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:31,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-29 06:44:33,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1885 [2020-10-29 06:44:33,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:33,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-29 06:44:33,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:44:33,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:33,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:44:33,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:44:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-29 06:44:33,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:44:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:44:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:33,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:44:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:44:33,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716575483] [2020-10-29 06:44:33,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:33,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:33,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711387953] [2020-10-29 06:44:33,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:33,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:33,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:33,894 INFO L87 Difference]: Start difference. First operand 7694 states and 9569 transitions. Second operand 7 states. [2020-10-29 06:44:37,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:37,264 INFO L93 Difference]: Finished difference Result 18833 states and 23785 transitions. [2020-10-29 06:44:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:44:37,266 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 243 [2020-10-29 06:44:37,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:37,304 INFO L225 Difference]: With dead ends: 18833 [2020-10-29 06:44:37,304 INFO L226 Difference]: Without dead ends: 11523 [2020-10-29 06:44:37,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:37,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11523 states. [2020-10-29 06:44:37,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11523 to 10357. [2020-10-29 06:44:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10357 states. [2020-10-29 06:44:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10357 states to 10357 states and 12623 transitions. [2020-10-29 06:44:37,597 INFO L78 Accepts]: Start accepts. Automaton has 10357 states and 12623 transitions. Word has length 243 [2020-10-29 06:44:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:37,598 INFO L481 AbstractCegarLoop]: Abstraction has 10357 states and 12623 transitions. [2020-10-29 06:44:37,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 10357 states and 12623 transitions. [2020-10-29 06:44:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-29 06:44:37,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:37,604 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:37,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:44:37,605 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:37,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:37,605 INFO L82 PathProgramCache]: Analyzing trace with hash 28868345, now seen corresponding path program 1 times [2020-10-29 06:44:37,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:37,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496805882] [2020-10-29 06:44:37,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:38,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:38,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 06:44:38,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 966 [2020-10-29 06:44:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:38,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-29 06:44:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 06:44:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:38,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:38,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:44:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:38,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:38,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:38,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:38,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:38,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:39,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:39,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 06:44:39,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:39,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:44:39,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:39,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:39,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:39,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 06:44:39,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-29 06:44:39,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496805882] [2020-10-29 06:44:39,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:39,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:44:39,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492873497] [2020-10-29 06:44:39,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:44:39,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:39,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:44:39,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:44:39,110 INFO L87 Difference]: Start difference. First operand 10357 states and 12623 transitions. Second operand 6 states. [2020-10-29 06:44:42,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:42,138 INFO L93 Difference]: Finished difference Result 22649 states and 27741 transitions. [2020-10-29 06:44:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:44:42,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 245 [2020-10-29 06:44:42,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:42,197 INFO L225 Difference]: With dead ends: 22649 [2020-10-29 06:44:42,198 INFO L226 Difference]: Without dead ends: 12676 [2020-10-29 06:44:42,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:42,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12676 states. [2020-10-29 06:44:42,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12676 to 10941. [2020-10-29 06:44:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10941 states. [2020-10-29 06:44:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10941 states to 10941 states and 13516 transitions. [2020-10-29 06:44:42,529 INFO L78 Accepts]: Start accepts. Automaton has 10941 states and 13516 transitions. Word has length 245 [2020-10-29 06:44:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:42,530 INFO L481 AbstractCegarLoop]: Abstraction has 10941 states and 13516 transitions. [2020-10-29 06:44:42,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:44:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 10941 states and 13516 transitions. [2020-10-29 06:44:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-29 06:44:42,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:42,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:42,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:44:42,537 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:42,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:42,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1892348545, now seen corresponding path program 1 times [2020-10-29 06:44:42,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:42,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754542327] [2020-10-29 06:44:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:42,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:43,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:43,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:43,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-29 06:44:43,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:44:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1194 [2020-10-29 06:44:43,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:43,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:44:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 06:44:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:44,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:44,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:44,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:44,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:44:44,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:44,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:44,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:44,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:44,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:44,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 06:44:44,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:44,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:44:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:44,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:44,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:44,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:44,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 06:44:44,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:44,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 06:44:44,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:44,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:44:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 122 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:44:44,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754542327] [2020-10-29 06:44:44,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:44,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:44,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958897631] [2020-10-29 06:44:44,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:44,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:44,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:44,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:44,524 INFO L87 Difference]: Start difference. First operand 10941 states and 13516 transitions. Second operand 7 states. [2020-10-29 06:44:49,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:49,274 INFO L93 Difference]: Finished difference Result 24587 states and 32272 transitions. [2020-10-29 06:44:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:44:49,274 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2020-10-29 06:44:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:49,326 INFO L225 Difference]: With dead ends: 24587 [2020-10-29 06:44:49,326 INFO L226 Difference]: Without dead ends: 14030 [2020-10-29 06:44:49,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:49,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14030 states. [2020-10-29 06:44:49,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14030 to 13675. [2020-10-29 06:44:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13675 states. [2020-10-29 06:44:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13675 states to 13675 states and 17207 transitions. [2020-10-29 06:44:49,726 INFO L78 Accepts]: Start accepts. Automaton has 13675 states and 17207 transitions. Word has length 249 [2020-10-29 06:44:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:49,727 INFO L481 AbstractCegarLoop]: Abstraction has 13675 states and 17207 transitions. [2020-10-29 06:44:49,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 13675 states and 17207 transitions. [2020-10-29 06:44:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-29 06:44:49,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:49,736 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:49,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:44:49,736 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:49,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1419201218, now seen corresponding path program 1 times [2020-10-29 06:44:49,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:49,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561625218] [2020-10-29 06:44:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:50,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:50,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 06:44:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:50,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:50,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:50,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:50,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:50,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-29 06:44:50,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:50,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 06:44:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:50,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:50,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:44:50,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-29 06:44:50,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561625218] [2020-10-29 06:44:50,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:50,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:44:50,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026802956] [2020-10-29 06:44:50,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:44:50,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:50,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:44:50,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:44:50,820 INFO L87 Difference]: Start difference. First operand 13675 states and 17207 transitions. Second operand 5 states. [2020-10-29 06:44:54,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:54,305 INFO L93 Difference]: Finished difference Result 31342 states and 40304 transitions. [2020-10-29 06:44:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:44:54,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-10-29 06:44:54,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:54,375 INFO L225 Difference]: With dead ends: 31342 [2020-10-29 06:44:54,375 INFO L226 Difference]: Without dead ends: 18051 [2020-10-29 06:44:54,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:44:54,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18051 states. [2020-10-29 06:44:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18051 to 17081. [2020-10-29 06:44:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17081 states. [2020-10-29 06:44:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17081 states to 17081 states and 22013 transitions. [2020-10-29 06:44:54,818 INFO L78 Accepts]: Start accepts. Automaton has 17081 states and 22013 transitions. Word has length 266 [2020-10-29 06:44:54,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:54,819 INFO L481 AbstractCegarLoop]: Abstraction has 17081 states and 22013 transitions. [2020-10-29 06:44:54,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:44:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 17081 states and 22013 transitions. [2020-10-29 06:44:54,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-29 06:44:54,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:54,935 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:54,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:44:54,935 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:54,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:54,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1663066503, now seen corresponding path program 1 times [2020-10-29 06:44:54,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:54,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639638821] [2020-10-29 06:44:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:55,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:55,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:57,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:57,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:58,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:58,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-29 06:44:58,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:44:58,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3658 [2020-10-29 06:44:58,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:58,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 06:44:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:44:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 295 [2020-10-29 06:44:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:58,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:58,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:58,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:58,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:44:58,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:58,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:44:58,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:58,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:58,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:59,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:59,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:59,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:59,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:59,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-29 06:44:59,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:59,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:44:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:59,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:59,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:59,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:44:59,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 06:44:59,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:59,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-29 06:44:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:59,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:59,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:59,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:44:59,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 06:44:59,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 173 proven. 10 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-29 06:44:59,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639638821] [2020-10-29 06:44:59,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:59,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:44:59,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869188416] [2020-10-29 06:44:59,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:44:59,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:59,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:44:59,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:44:59,670 INFO L87 Difference]: Start difference. First operand 17081 states and 22013 transitions. Second operand 8 states. [2020-10-29 06:45:01,940 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 06:45:02,344 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-29 06:45:03,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:03,882 INFO L93 Difference]: Finished difference Result 33333 states and 44234 transitions. [2020-10-29 06:45:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:45:03,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 296 [2020-10-29 06:45:03,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:03,944 INFO L225 Difference]: With dead ends: 33333 [2020-10-29 06:45:03,944 INFO L226 Difference]: Without dead ends: 16608 [2020-10-29 06:45:03,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:45:03,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16608 states. [2020-10-29 06:45:04,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16608 to 14721. [2020-10-29 06:45:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14721 states. [2020-10-29 06:45:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14721 states to 14721 states and 17778 transitions. [2020-10-29 06:45:04,353 INFO L78 Accepts]: Start accepts. Automaton has 14721 states and 17778 transitions. Word has length 296 [2020-10-29 06:45:04,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:04,354 INFO L481 AbstractCegarLoop]: Abstraction has 14721 states and 17778 transitions. [2020-10-29 06:45:04,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:45:04,354 INFO L276 IsEmpty]: Start isEmpty. Operand 14721 states and 17778 transitions. [2020-10-29 06:45:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-29 06:45:04,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:04,365 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2020-10-29 06:45:04,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:45:04,366 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:04,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1814615201, now seen corresponding path program 1 times [2020-10-29 06:45:04,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:04,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528407385] [2020-10-29 06:45:04,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:04,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:04,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:06,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:06,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-29 06:45:06,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:45:06,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1854 [2020-10-29 06:45:06,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:06,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-29 06:45:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:45:06,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:45:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:06,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:06,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:06,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:45:06,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:45:06,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:06,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:06,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:06,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:06,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:06,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:06,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:45:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:06,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:06,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:06,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:45:06,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:06,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:45:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:06,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:06,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:45:06,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:06,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:45:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:45:06,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:45:06,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:45:06,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:45:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:45:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-29 06:45:07,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1528407385] [2020-10-29 06:45:07,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:45:07,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:45:07,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609168558] [2020-10-29 06:45:07,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:45:07,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:45:07,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:45:07,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:45:07,075 INFO L87 Difference]: Start difference. First operand 14721 states and 17778 transitions. Second operand 8 states. [2020-10-29 06:45:11,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:45:11,964 INFO L93 Difference]: Finished difference Result 30425 states and 36744 transitions. [2020-10-29 06:45:11,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:45:11,965 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2020-10-29 06:45:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:45:12,011 INFO L225 Difference]: With dead ends: 30425 [2020-10-29 06:45:12,012 INFO L226 Difference]: Without dead ends: 15710 [2020-10-29 06:45:12,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:45:12,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15710 states. [2020-10-29 06:45:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15710 to 15681. [2020-10-29 06:45:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15681 states. [2020-10-29 06:45:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15681 states to 15681 states and 18886 transitions. [2020-10-29 06:45:12,382 INFO L78 Accepts]: Start accepts. Automaton has 15681 states and 18886 transitions. Word has length 308 [2020-10-29 06:45:12,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:45:12,382 INFO L481 AbstractCegarLoop]: Abstraction has 15681 states and 18886 transitions. [2020-10-29 06:45:12,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:45:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 15681 states and 18886 transitions. [2020-10-29 06:45:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-29 06:45:12,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:45:12,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:45:12,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:45:12,392 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:45:12,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:45:12,393 INFO L82 PathProgramCache]: Analyzing trace with hash -334782583, now seen corresponding path program 1 times [2020-10-29 06:45:12,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:45:12,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847437829] [2020-10-29 06:45:12,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:45:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 06:45:12,474 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 06:45:12,474 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 06:45:12,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 06:45:12,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:45:12 BoogieIcfgContainer [2020-10-29 06:45:12,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:45:12,567 INFO L168 Benchmark]: Toolchain (without parser) took 103727.42 ms. Allocated memory was 155.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 127.5 MB in the beginning and 499.9 MB in the end (delta: -372.4 MB). Peak memory consumption was 752.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:12,574 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 128.2 MB in the end (delta: 108.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:45:12,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.73 ms. Allocated memory is still 155.2 MB. Free memory was 126.7 MB in the beginning and 114.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:12,577 INFO L168 Benchmark]: Boogie Preprocessor took 174.23 ms. Allocated memory is still 155.2 MB. Free memory was 114.3 MB in the beginning and 106.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:12,577 INFO L168 Benchmark]: RCFGBuilder took 2344.85 ms. Allocated memory was 155.2 MB in the beginning and 203.4 MB in the end (delta: 48.2 MB). Free memory was 106.5 MB in the beginning and 137.5 MB in the end (delta: -31.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:12,578 INFO L168 Benchmark]: TraceAbstraction took 100236.37 ms. Allocated memory was 203.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 137.0 MB in the beginning and 499.9 MB in the end (delta: -362.8 MB). Peak memory consumption was 713.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:45:12,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 128.2 MB in the end (delta: 108.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 953.73 ms. Allocated memory is still 155.2 MB. Free memory was 126.7 MB in the beginning and 114.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 174.23 ms. Allocated memory is still 155.2 MB. Free memory was 114.3 MB in the beginning and 106.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2344.85 ms. Allocated memory was 155.2 MB in the beginning and 203.4 MB in the end (delta: 48.2 MB). Free memory was 106.5 MB in the beginning and 137.5 MB in the end (delta: -31.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 100236.37 ms. Allocated memory was 203.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 137.0 MB in the beginning and 499.9 MB in the end (delta: -362.8 MB). Peak memory consumption was 713.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L677] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L740] COND TRUE ((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15))) [L741] a29 = ((((a29 + 161077) + -91920) % 299861)- -300138) [L742] a25 = 9 [L744] return 26; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L677] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L714] COND TRUE ( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5))))))) [L715] a23 = ((((a23 + -600132) - -470437) + -414459) + -56058) [L716] a25 = 9 [L718] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15)) [L56] CALL reach_error() [L4] __assert_fail("0", "Problem11_label14.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 100.0s, OverallIterations: 17, TraceHistogramMax: 4, AutomataDifference: 61.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 768 SDtfs, 11555 SDslu, 1326 SDs, 0 SdLazy, 23133 SolverSat, 3299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17081occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 7167 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 32.3s InterpolantComputationTime, 3526 NumberOfCodeBlocks, 3526 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3196 ConstructedInterpolants, 0 QuantifiedInterpolants, 2116393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 1549/1607 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...