/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.2 --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:52:57,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:52:57,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:52:57,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:52:57,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:52:57,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:52:57,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:52:57,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:52:57,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:52:57,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:52:57,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:52:57,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:52:57,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:52:57,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:52:57,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:52:57,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:52:57,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:52:57,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:52:57,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:52:57,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:52:57,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:52:57,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:52:57,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:52:57,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:52:57,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:52:57,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:52:57,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:52:57,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:52:57,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:52:57,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:52:57,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:52:57,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:52:57,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:52:57,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:52:57,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:52:57,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:52:57,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:52:57,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:52:57,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:52:57,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:52:57,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:52:57,119 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 [2020-10-14 20:52:57,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:52:57,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:52:57,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:52:57,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:52:57,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:52:57,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:52:57,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:52:57,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:52:57,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:52:57,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:52:57,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:52:57,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:52:57,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:52:57,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:52:57,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:52:57,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:52:57,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:52:57,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:52:57,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:52:57,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:52:57,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:52:57,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:57,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:52:57,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:52:57,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:52:57,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:52:57,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:52:57,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:52:57,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:52:57,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:52:57,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:52:57,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:52:57,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:52:57,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:52:57,484 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:52:57,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label26.c [2020-10-14 20:52:57,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ed738ccd/2847301ec50843bf8825fc862d154cc1/FLAGe79d3689f [2020-10-14 20:52:58,066 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:52:58,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label26.c [2020-10-14 20:52:58,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ed738ccd/2847301ec50843bf8825fc862d154cc1/FLAGe79d3689f [2020-10-14 20:52:58,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ed738ccd/2847301ec50843bf8825fc862d154cc1 [2020-10-14 20:52:58,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:52:58,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:52:58,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:58,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:52:58,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:52:58,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:58" (1/1) ... [2020-10-14 20:52:58,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784c44aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:58, skipping insertion in model container [2020-10-14 20:52:58,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:58" (1/1) ... [2020-10-14 20:52:58,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:52:58,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:52:58,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:58,941 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:52:59,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:59,053 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:52:59,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59 WrapperNode [2020-10-14 20:52:59,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:59,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:52:59,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:52:59,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:52:59,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (1/1) ... [2020-10-14 20:52:59,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:52:59,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:52:59,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:52:59,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:52:59,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (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 [2020-10-14 20:52:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:52:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:52:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:52:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:52:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:52:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:52:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:52:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:52:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:52:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:52:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:53:00,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:53:00,414 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:53:00,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:00 BoogieIcfgContainer [2020-10-14 20:53:00,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:53:00,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:53:00,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:53:00,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:53:00,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:52:58" (1/3) ... [2020-10-14 20:53:00,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d96d240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:00, skipping insertion in model container [2020-10-14 20:53:00,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:59" (2/3) ... [2020-10-14 20:53:00,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d96d240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:00, skipping insertion in model container [2020-10-14 20:53:00,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:00" (3/3) ... [2020-10-14 20:53:00,429 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label26.c [2020-10-14 20:53:00,441 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:53:00,448 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:53:00,462 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:53:00,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:53:00,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:53:00,487 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:53:00,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:53:00,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:53:00,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:53:00,488 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:53:00,488 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:53:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:53:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 20:53:00,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:00,518 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] [2020-10-14 20:53:00,519 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:00,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:00,525 INFO L82 PathProgramCache]: Analyzing trace with hash 691378151, now seen corresponding path program 1 times [2020-10-14 20:53:00,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:00,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220141879] [2020-10-14 20:53:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 20:53:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-14 20:53:00,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 20:53:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:53:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:01,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:01,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:01,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 20:53:01,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:01,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:01,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:01,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:01,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220141879] [2020-10-14 20:53:01,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:01,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 20:53:01,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253878708] [2020-10-14 20:53:01,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:01,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:01,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:01,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:01,164 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-14 20:53:03,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:03,167 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-10-14 20:53:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:53:03,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-14 20:53:03,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:03,198 INFO L225 Difference]: With dead ends: 730 [2020-10-14 20:53:03,198 INFO L226 Difference]: Without dead ends: 447 [2020-10-14 20:53:03,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:03,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-14 20:53:03,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-14 20:53:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-14 20:53:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-10-14 20:53:03,293 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 22 [2020-10-14 20:53:03,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:03,293 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-10-14 20:53:03,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-10-14 20:53:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 20:53:03,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:03,299 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] [2020-10-14 20:53:03,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:53:03,299 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:03,300 INFO L82 PathProgramCache]: Analyzing trace with hash -687390126, now seen corresponding path program 1 times [2020-10-14 20:53:03,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:03,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508299948] [2020-10-14 20:53:03,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 20:53:04,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1237 [2020-10-14 20:53:04,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:53:04,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:53:04,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:04,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:53:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:04,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:04,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:04,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:04,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:04,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 20:53:04,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:04,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:04,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508299948] [2020-10-14 20:53:04,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:04,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:53:04,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560818875] [2020-10-14 20:53:04,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:04,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:04,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:04,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:04,936 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 7 states. [2020-10-14 20:53:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:06,371 INFO L93 Difference]: Finished difference Result 1071 states and 1737 transitions. [2020-10-14 20:53:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:06,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-10-14 20:53:06,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:06,379 INFO L225 Difference]: With dead ends: 1071 [2020-10-14 20:53:06,379 INFO L226 Difference]: Without dead ends: 636 [2020-10-14 20:53:06,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:53:06,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-14 20:53:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 590. [2020-10-14 20:53:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 20:53:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 865 transitions. [2020-10-14 20:53:06,451 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 865 transitions. Word has length 104 [2020-10-14 20:53:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:06,455 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 865 transitions. [2020-10-14 20:53:06,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 865 transitions. [2020-10-14 20:53:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 20:53:06,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:06,458 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] [2020-10-14 20:53:06,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:53:06,458 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:06,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:06,459 INFO L82 PathProgramCache]: Analyzing trace with hash -901334734, now seen corresponding path program 1 times [2020-10-14 20:53:06,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:06,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011014988] [2020-10-14 20:53:06,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:06,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:06,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:07,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 20:53:07,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-14 20:53:07,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:07,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 20:53:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:07,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:07,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:07,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:07,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:53:07,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:07,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:07,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:07,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:07,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:07,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:07,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:07,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:53:07,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 20:53:07,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:07,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 20:53:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:07,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011014988] [2020-10-14 20:53:07,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:07,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 20:53:07,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393880247] [2020-10-14 20:53:07,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:53:07,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:07,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:53:07,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:53:07,521 INFO L87 Difference]: Start difference. First operand 590 states and 865 transitions. Second operand 8 states. [2020-10-14 20:53:09,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:09,544 INFO L93 Difference]: Finished difference Result 1784 states and 2750 transitions. [2020-10-14 20:53:09,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:53:09,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-10-14 20:53:09,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:09,557 INFO L225 Difference]: With dead ends: 1784 [2020-10-14 20:53:09,557 INFO L226 Difference]: Without dead ends: 1200 [2020-10-14 20:53:09,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:53:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-10-14 20:53:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 890. [2020-10-14 20:53:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-14 20:53:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1244 transitions. [2020-10-14 20:53:09,618 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1244 transitions. Word has length 120 [2020-10-14 20:53:09,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:09,619 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1244 transitions. [2020-10-14 20:53:09,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:53:09,619 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1244 transitions. [2020-10-14 20:53:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-14 20:53:09,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:09,632 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] [2020-10-14 20:53:09,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:53:09,635 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:09,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:09,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1198074754, now seen corresponding path program 1 times [2020-10-14 20:53:09,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:09,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352975035] [2020-10-14 20:53:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:09,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:09,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:09,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 20:53:09,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:09,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 20:53:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:09,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:53:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 20:53:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 20:53:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:53:10,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:53:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:10,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:10,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:10,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 20:53:10,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-14 20:53:10,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:10,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:53:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:53:10,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352975035] [2020-10-14 20:53:10,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:53:10,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:53:10,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545338324] [2020-10-14 20:53:10,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:10,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:10,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:10,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:10,408 INFO L87 Difference]: Start difference. First operand 890 states and 1244 transitions. Second operand 7 states. [2020-10-14 20:53:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:11,779 INFO L93 Difference]: Finished difference Result 2102 states and 3113 transitions. [2020-10-14 20:53:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:53:11,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-10-14 20:53:11,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:11,791 INFO L225 Difference]: With dead ends: 2102 [2020-10-14 20:53:11,792 INFO L226 Difference]: Without dead ends: 1361 [2020-10-14 20:53:11,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-10-14 20:53:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1196. [2020-10-14 20:53:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2020-10-14 20:53:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1617 transitions. [2020-10-14 20:53:11,848 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1617 transitions. Word has length 144 [2020-10-14 20:53:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:11,850 INFO L479 AbstractCegarLoop]: Abstraction has 1196 states and 1617 transitions. [2020-10-14 20:53:11,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1617 transitions. [2020-10-14 20:53:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-14 20:53:11,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:11,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:11,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:53:11,855 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:11,855 INFO L82 PathProgramCache]: Analyzing trace with hash -919404331, now seen corresponding path program 1 times [2020-10-14 20:53:11,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:11,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209509816] [2020-10-14 20:53:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:12,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:12,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:12,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:12,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 20:53:12,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-14 20:53:12,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:12,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:53:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:12,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:12,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:12,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:12,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:12,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:12,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:12,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:12,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:12,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:12,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:12,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:12,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:12,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:53:12,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:12,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 20:53:12,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:12,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:12,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:12,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:12,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:53:12,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:12,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:53:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:13,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:13,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:13,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:13,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 20:53:13,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:13,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:13,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:13,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:13,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:13,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209509816] [2020-10-14 20:53:13,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:13,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:13,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205181142] [2020-10-14 20:53:13,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:13,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:13,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:13,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:13,162 INFO L87 Difference]: Start difference. First operand 1196 states and 1617 transitions. Second operand 7 states. [2020-10-14 20:53:14,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:14,580 INFO L93 Difference]: Finished difference Result 2710 states and 3847 transitions. [2020-10-14 20:53:14,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:14,581 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-10-14 20:53:14,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:14,589 INFO L225 Difference]: With dead ends: 2710 [2020-10-14 20:53:14,590 INFO L226 Difference]: Without dead ends: 1663 [2020-10-14 20:53:14,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2020-10-14 20:53:14,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1351. [2020-10-14 20:53:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-10-14 20:53:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1808 transitions. [2020-10-14 20:53:14,640 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1808 transitions. Word has length 174 [2020-10-14 20:53:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:14,641 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1808 transitions. [2020-10-14 20:53:14,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1808 transitions. [2020-10-14 20:53:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 20:53:14,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:14,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:14,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:53:14,645 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:14,645 INFO L82 PathProgramCache]: Analyzing trace with hash -749725680, now seen corresponding path program 1 times [2020-10-14 20:53:14,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:14,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487683615] [2020-10-14 20:53:14,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:14,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:14,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-14 20:53:15,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1163 [2020-10-14 20:53:15,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:53:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:15,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:15,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:15,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:15,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:15,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:15,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:15,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:15,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:15,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:15,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:15,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:15,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:15,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:15,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:15,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:16,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:53:16,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:16,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 20:53:16,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:16,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:53:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:16,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:53:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:16,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:16,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:16,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:16,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 20:53:16,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:16,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:16,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:16,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487683615] [2020-10-14 20:53:16,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:16,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:16,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735122481] [2020-10-14 20:53:16,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:16,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:16,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:16,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:16,237 INFO L87 Difference]: Start difference. First operand 1351 states and 1808 transitions. Second operand 7 states. [2020-10-14 20:53:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:18,132 INFO L93 Difference]: Finished difference Result 3284 states and 4410 transitions. [2020-10-14 20:53:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:53:18,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-10-14 20:53:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:18,145 INFO L225 Difference]: With dead ends: 3284 [2020-10-14 20:53:18,145 INFO L226 Difference]: Without dead ends: 1488 [2020-10-14 20:53:18,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:18,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2020-10-14 20:53:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 1337. [2020-10-14 20:53:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1337 states. [2020-10-14 20:53:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1601 transitions. [2020-10-14 20:53:18,183 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1601 transitions. Word has length 183 [2020-10-14 20:53:18,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:18,183 INFO L479 AbstractCegarLoop]: Abstraction has 1337 states and 1601 transitions. [2020-10-14 20:53:18,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1601 transitions. [2020-10-14 20:53:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 20:53:18,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:18,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:18,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:53:18,188 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:18,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:18,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1427321608, now seen corresponding path program 1 times [2020-10-14 20:53:18,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:18,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708820918] [2020-10-14 20:53:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:18,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:19,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 20:53:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1185 [2020-10-14 20:53:19,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:19,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:53:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:19,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:19,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:19,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:19,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:19,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:19,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:19,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:19,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:19,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:19,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:19,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 20:53:19,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:19,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:53:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:19,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:19,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:19,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:19,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:19,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 20:53:19,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:19,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:53:19,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708820918] [2020-10-14 20:53:19,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:19,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:19,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103872814] [2020-10-14 20:53:19,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:19,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:19,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:19,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:19,890 INFO L87 Difference]: Start difference. First operand 1337 states and 1601 transitions. Second operand 7 states. [2020-10-14 20:53:21,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:21,477 INFO L93 Difference]: Finished difference Result 2829 states and 3481 transitions. [2020-10-14 20:53:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:21,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-10-14 20:53:21,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:21,485 INFO L225 Difference]: With dead ends: 2829 [2020-10-14 20:53:21,486 INFO L226 Difference]: Without dead ends: 1641 [2020-10-14 20:53:21,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:21,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2020-10-14 20:53:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1484. [2020-10-14 20:53:21,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-10-14 20:53:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1725 transitions. [2020-10-14 20:53:21,539 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1725 transitions. Word has length 219 [2020-10-14 20:53:21,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:21,540 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 1725 transitions. [2020-10-14 20:53:21,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1725 transitions. [2020-10-14 20:53:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-14 20:53:21,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:21,546 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:21,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:53:21,546 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:21,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:21,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1963523458, now seen corresponding path program 1 times [2020-10-14 20:53:21,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:21,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273163648] [2020-10-14 20:53:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:21,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:21,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:22,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:22,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:24,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:24,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 20:53:24,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:53:24,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3191 [2020-10-14 20:53:24,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:24,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:53:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:53:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:24,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:24,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:24,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:24,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:24,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:24,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:53:24,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:24,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:24,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:24,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:25,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:25,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:25,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 20:53:25,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:25,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:53:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:25,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:25,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:25,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:25,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:53:25,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:25,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 20:53:25,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:25,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:25,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:53:25,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-14 20:53:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:25,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:25,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:25,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:25,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 20:53:25,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:25,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:53:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 123 proven. 76 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-14 20:53:25,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273163648] [2020-10-14 20:53:25,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:25,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:53:25,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809030344] [2020-10-14 20:53:25,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:53:25,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:25,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:53:25,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:53:25,536 INFO L87 Difference]: Start difference. First operand 1484 states and 1725 transitions. Second operand 8 states. [2020-10-14 20:53:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:27,094 INFO L93 Difference]: Finished difference Result 3574 states and 4304 transitions. [2020-10-14 20:53:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:53:27,097 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 296 [2020-10-14 20:53:27,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:27,106 INFO L225 Difference]: With dead ends: 3574 [2020-10-14 20:53:27,106 INFO L226 Difference]: Without dead ends: 2239 [2020-10-14 20:53:27,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2020-10-14 20:53:27,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2229. [2020-10-14 20:53:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2229 states. [2020-10-14 20:53:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 2571 transitions. [2020-10-14 20:53:27,174 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 2571 transitions. Word has length 296 [2020-10-14 20:53:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:27,175 INFO L479 AbstractCegarLoop]: Abstraction has 2229 states and 2571 transitions. [2020-10-14 20:53:27,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:53:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2571 transitions. [2020-10-14 20:53:27,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 20:53:27,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:27,182 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:27,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:53:27,182 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:27,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:27,183 INFO L82 PathProgramCache]: Analyzing trace with hash 711943761, now seen corresponding path program 1 times [2020-10-14 20:53:27,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:27,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649367378] [2020-10-14 20:53:27,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:27,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:27,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:28,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:28,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-14 20:53:28,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-14 20:53:28,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:28,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-14 20:53:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:28,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:28,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:28,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:28,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:28,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:28,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:28,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:28,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:28,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:28,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:28,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:53:28,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:53:28,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:28,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:28,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:28,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:53:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:28,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:53:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 20:53:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:28,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:53:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 34 [2020-10-14 20:53:28,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 20:53:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:28,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:28,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:28,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:28,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:53:28,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:28,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:28,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 20:53:28,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649367378] [2020-10-14 20:53:28,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:28,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:28,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808285794] [2020-10-14 20:53:28,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:28,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:28,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:28,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:28,698 INFO L87 Difference]: Start difference. First operand 2229 states and 2571 transitions. Second operand 7 states. [2020-10-14 20:53:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:30,224 INFO L93 Difference]: Finished difference Result 4172 states and 4828 transitions. [2020-10-14 20:53:30,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:30,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-14 20:53:30,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:30,238 INFO L225 Difference]: With dead ends: 4172 [2020-10-14 20:53:30,238 INFO L226 Difference]: Without dead ends: 2092 [2020-10-14 20:53:30,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:30,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2020-10-14 20:53:30,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2078. [2020-10-14 20:53:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2078 states. [2020-10-14 20:53:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2373 transitions. [2020-10-14 20:53:30,291 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2373 transitions. Word has length 315 [2020-10-14 20:53:30,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:30,291 INFO L479 AbstractCegarLoop]: Abstraction has 2078 states and 2373 transitions. [2020-10-14 20:53:30,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2373 transitions. [2020-10-14 20:53:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-14 20:53:30,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:30,300 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:30,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:53:30,300 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:30,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1345332509, now seen corresponding path program 1 times [2020-10-14 20:53:30,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:30,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953879274] [2020-10-14 20:53:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:30,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:30,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:31,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:32,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:32,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-14 20:53:32,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:32,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2174 [2020-10-14 20:53:32,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:32,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-14 20:53:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:32,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:32,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:32,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:32,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:32,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:32,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:32,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:32,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:32,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:53:32,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:32,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 20:53:32,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:32,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:53:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:32,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:32,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:32,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:53:32,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:32,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 20:53:32,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:32,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:32,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:32,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:53:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 20:53:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:32,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:32,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:32,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 20:53:32,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:32,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:32,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 20:53:33,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953879274] [2020-10-14 20:53:33,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:33,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:33,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958440568] [2020-10-14 20:53:33,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:33,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:33,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:33,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:33,125 INFO L87 Difference]: Start difference. First operand 2078 states and 2373 transitions. Second operand 7 states. [2020-10-14 20:53:34,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:34,633 INFO L93 Difference]: Finished difference Result 4901 states and 5749 transitions. [2020-10-14 20:53:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:53:34,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 325 [2020-10-14 20:53:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:34,646 INFO L225 Difference]: With dead ends: 4901 [2020-10-14 20:53:34,647 INFO L226 Difference]: Without dead ends: 2972 [2020-10-14 20:53:34,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:53:34,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2020-10-14 20:53:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2384. [2020-10-14 20:53:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2384 states. [2020-10-14 20:53:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 2731 transitions. [2020-10-14 20:53:34,710 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 2731 transitions. Word has length 325 [2020-10-14 20:53:34,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:34,711 INFO L479 AbstractCegarLoop]: Abstraction has 2384 states and 2731 transitions. [2020-10-14 20:53:34,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:34,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 2731 transitions. [2020-10-14 20:53:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-14 20:53:34,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:34,719 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:34,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:53:34,719 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:34,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1455087876, now seen corresponding path program 1 times [2020-10-14 20:53:34,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:34,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053740197] [2020-10-14 20:53:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:35,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:36,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:36,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-14 20:53:36,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1563 [2020-10-14 20:53:36,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:36,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-14 20:53:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:53:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:36,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:36,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:36,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:36,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:53:36,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:36,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:36,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:36,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:36,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:36,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:36,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:36,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:36,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:36,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:53:36,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:36,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:53:36,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:36,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:36,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:36,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:36,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:36,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:53:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:36,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:36,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:36,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:53:36,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:36,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 20:53:36,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:36,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:53:36,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:36,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-14 20:53:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:36,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:36,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:36,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 20:53:36,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:36,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 20:53:36,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:36,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:53:36,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 20:53:36,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053740197] [2020-10-14 20:53:36,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:36,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:36,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988544564] [2020-10-14 20:53:36,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:36,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:36,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:36,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:36,837 INFO L87 Difference]: Start difference. First operand 2384 states and 2731 transitions. Second operand 7 states. [2020-10-14 20:53:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:38,134 INFO L93 Difference]: Finished difference Result 5495 states and 6436 transitions. [2020-10-14 20:53:38,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:38,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 334 [2020-10-14 20:53:38,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:38,151 INFO L225 Difference]: With dead ends: 5495 [2020-10-14 20:53:38,152 INFO L226 Difference]: Without dead ends: 3260 [2020-10-14 20:53:38,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:38,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2020-10-14 20:53:38,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 2964. [2020-10-14 20:53:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2964 states. [2020-10-14 20:53:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 3474 transitions. [2020-10-14 20:53:38,230 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 3474 transitions. Word has length 334 [2020-10-14 20:53:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:38,231 INFO L479 AbstractCegarLoop]: Abstraction has 2964 states and 3474 transitions. [2020-10-14 20:53:38,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3474 transitions. [2020-10-14 20:53:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-10-14 20:53:38,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:38,242 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:38,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:38,243 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:38,243 INFO L82 PathProgramCache]: Analyzing trace with hash -739469282, now seen corresponding path program 1 times [2020-10-14 20:53:38,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:38,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972827669] [2020-10-14 20:53:38,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:38,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-14 20:53:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1066 [2020-10-14 20:53:39,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:53:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-14 20:53:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:39,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:39,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:39,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:39,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 20:53:39,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:53:39,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:39,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:39,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:53:39,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:39,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 20:53:39,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:39,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:53:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:39,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:53:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:39,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:40,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:40,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 20:53:40,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:40,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-14 20:53:40,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:40,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:53:40,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 20:53:40,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972827669] [2020-10-14 20:53:40,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:40,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:53:40,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334907323] [2020-10-14 20:53:40,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:53:40,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:40,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:53:40,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:40,177 INFO L87 Difference]: Start difference. First operand 2964 states and 3474 transitions. Second operand 7 states. [2020-10-14 20:53:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:41,505 INFO L93 Difference]: Finished difference Result 5934 states and 6984 transitions. [2020-10-14 20:53:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:41,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 344 [2020-10-14 20:53:41,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:41,516 INFO L225 Difference]: With dead ends: 5934 [2020-10-14 20:53:41,517 INFO L226 Difference]: Without dead ends: 3119 [2020-10-14 20:53:41,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:53:41,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2020-10-14 20:53:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3109. [2020-10-14 20:53:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3109 states. [2020-10-14 20:53:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 3558 transitions. [2020-10-14 20:53:41,588 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 3558 transitions. Word has length 344 [2020-10-14 20:53:41,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:41,589 INFO L479 AbstractCegarLoop]: Abstraction has 3109 states and 3558 transitions. [2020-10-14 20:53:41,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:53:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3558 transitions. [2020-10-14 20:53:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-14 20:53:41,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:41,596 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:41,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:53:41,597 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:41,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:41,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1162369970, now seen corresponding path program 1 times [2020-10-14 20:53:41,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:41,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76239271] [2020-10-14 20:53:41,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 20:53:41,660 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 20:53:41,661 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 20:53:41,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:53:41,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:53:41 BoogieIcfgContainer [2020-10-14 20:53:41,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:53:41,716 INFO L168 Benchmark]: Toolchain (without parser) took 43347.70 ms. Allocated memory was 146.3 MB in the beginning and 817.9 MB in the end (delta: 671.6 MB). Free memory was 101.2 MB in the beginning and 109.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 663.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:41,717 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 20:53:41,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.23 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.8 MB in the beginning and 170.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:41,719 INFO L168 Benchmark]: Boogie Preprocessor took 102.53 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 165.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:41,719 INFO L168 Benchmark]: RCFGBuilder took 1262.51 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 179.7 MB in the end (delta: -14.2 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:41,720 INFO L168 Benchmark]: TraceAbstraction took 41292.28 ms. Allocated memory was 237.5 MB in the beginning and 817.9 MB in the end (delta: 580.4 MB). Free memory was 179.7 MB in the beginning and 109.3 MB in the end (delta: 70.4 MB). Peak memory consumption was 650.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:41,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.23 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.8 MB in the beginning and 170.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.53 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 165.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.51 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 179.7 MB in the end (delta: -14.2 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41292.28 ms. Allocated memory was 237.5 MB in the beginning and 817.9 MB in the end (delta: 580.4 MB). Free memory was 179.7 MB in the beginning and 109.3 MB in the end (delta: 70.4 MB). Peak memory consumption was 650.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 52]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L471] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L476] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L481] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L487] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L493] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L499] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L504] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L509] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L514] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L517] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L523] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L526] COND FALSE !(((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)))))) [L529] COND FALSE !(((a19==9) && (((a10==1) && ((a12==0) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a4==14)))) [L534] COND FALSE !(((a19==9) && ((a4==14) && ((a10==1) && (((input == 5) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a12==0)))))) [L540] COND TRUE ((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0))) [L541] a1 = (((((a1 + -272193) - -47605) - -570122) % 89)+ 110) [L542] a10 = 1 [L544] return 25; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND TRUE (((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9)) [L266] a1 = ((((a1 / 5) - -367248) * 1) - 890938) [L267] a10 = 0 [L268] a19 = 10 [L270] return 26; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND TRUE ((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14)))) [L466] a1 = (((((a1 % 299890)+ 300108) - -1) + -309315) - -309317) [L467] a10 = 1 [L468] a19 = 7 [L470] return -1; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND TRUE (((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7)) [L52] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 41.1s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 344 SDtfs, 5584 SDslu, 486 SDs, 0 SdLazy, 11960 SolverSat, 1949 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3109occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2065 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 2942 NumberOfCodeBlocks, 2942 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2568 ConstructedInterpolants, 0 QuantifiedInterpolants, 1485456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 1767/1859 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...