/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:30:06,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:30:06,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:30:06,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:30:06,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:30:06,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:30:06,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:30:06,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:30:06,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:30:06,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:30:06,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:30:06,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:30:06,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:30:06,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:30:06,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:30:06,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:30:06,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:30:06,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:30:06,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:30:06,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:30:06,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:30:06,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:30:06,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:30:06,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:30:06,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:30:06,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:30:06,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:30:06,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:30:06,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:30:06,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:30:06,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:30:06,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:30:06,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:30:06,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:30:06,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:30:06,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:30:06,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:30:06,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:30:06,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:30:06,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:30:06,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:30:06,388 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 02:30:06,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:30:06,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:30:06,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:30:06,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:30:06,432 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:30:06,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:30:06,433 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:30:06,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:30:06,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:30:06,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:30:06,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:30:06,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:30:06,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:30:06,435 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:30:06,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:30:06,436 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:30:06,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:30:06,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:30:06,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:30:06,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:30:06,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:30:06,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:30:06,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:30:06,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:30:06,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:30:06,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:30:06,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:30:06,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:30:06,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:30:06,438 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:30:06,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:30:06,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:30:06,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:30:06,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:30:06,807 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:30:06,807 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label15.c [2020-10-14 02:30:06,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10199eed2/239eca513fc444a0b8f296097c402443/FLAGf3a06264f [2020-10-14 02:30:07,444 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:30:07,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label15.c [2020-10-14 02:30:07,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10199eed2/239eca513fc444a0b8f296097c402443/FLAGf3a06264f [2020-10-14 02:30:07,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10199eed2/239eca513fc444a0b8f296097c402443 [2020-10-14 02:30:07,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:30:07,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:30:07,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:30:07,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:30:07,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:30:07,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:07" (1/1) ... [2020-10-14 02:30:07,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:07, skipping insertion in model container [2020-10-14 02:30:07,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:07" (1/1) ... [2020-10-14 02:30:07,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:30:07,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:30:08,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:30:08,506 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:30:08,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:30:08,675 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:30:08,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08 WrapperNode [2020-10-14 02:30:08,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:30:08,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:30:08,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:30:08,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:30:08,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (1/1) ... [2020-10-14 02:30:08,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:30:08,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:30:08,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:30:08,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:30:08,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (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 02:30:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:30:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:30:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:30:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:30:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:30:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:30:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:30:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:30:10,166 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:30:10,166 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:30:10,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:30:10 BoogieIcfgContainer [2020-10-14 02:30:10,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:30:10,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:30:10,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:30:10,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:30:10,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:30:07" (1/3) ... [2020-10-14 02:30:10,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4971c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:30:10, skipping insertion in model container [2020-10-14 02:30:10,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:08" (2/3) ... [2020-10-14 02:30:10,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4971c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:30:10, skipping insertion in model container [2020-10-14 02:30:10,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:30:10" (3/3) ... [2020-10-14 02:30:10,182 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label15.c [2020-10-14 02:30:10,193 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:30:10,201 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:30:10,217 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:30:10,245 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:30:10,245 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:30:10,245 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:30:10,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:30:10,245 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:30:10,246 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:30:10,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:30:10,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:30:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 02:30:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-14 02:30:10,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:10,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:10,284 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:10,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:10,291 INFO L82 PathProgramCache]: Analyzing trace with hash -553937361, now seen corresponding path program 1 times [2020-10-14 02:30:10,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:10,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590105355] [2020-10-14 02:30:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:10,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:10,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:10,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 02:30:10,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-14 02:30:10,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:10,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:30:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:30:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 02:30:10,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:30:10,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:10,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:10,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:10,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:10,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 02:30:10,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:10,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:10,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:10,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:30:10,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:10,860 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 02:30:10,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590105355] [2020-10-14 02:30:10,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:30:10,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:30:10,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012372511] [2020-10-14 02:30:10,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:30:10,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:10,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:30:10,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:30:10,891 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 02:30:12,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:12,479 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 02:30:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:12,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-14 02:30:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:12,497 INFO L225 Difference]: With dead ends: 581 [2020-10-14 02:30:12,498 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 02:30:12,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 02:30:12,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 02:30:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 02:30:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 02:30:12,578 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 16 [2020-10-14 02:30:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:12,578 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 02:30:12,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:30:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 02:30:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 02:30:12,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:12,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:12,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:30:12,584 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:12,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:12,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2065323538, now seen corresponding path program 1 times [2020-10-14 02:30:12,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:12,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110625729] [2020-10-14 02:30:12,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:13,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:13,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 02:30:13,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:30:13,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 765 [2020-10-14 02:30:13,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:13,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:13,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 02:30:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 02:30:13,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:30:13,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:13,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:13,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:13,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:13,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 02:30:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:13,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:13,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:13,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:30:13,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 02:30:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:13,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:30:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 02:30:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:13,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110625729] [2020-10-14 02:30:13,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:13,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:13,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163438779] [2020-10-14 02:30:13,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:13,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:13,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:13,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:13,696 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-10-14 02:30:14,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:14,901 INFO L93 Difference]: Finished difference Result 594 states and 802 transitions. [2020-10-14 02:30:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:14,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2020-10-14 02:30:14,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:14,909 INFO L225 Difference]: With dead ends: 594 [2020-10-14 02:30:14,909 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 02:30:14,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:30:14,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 02:30:14,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 443. [2020-10-14 02:30:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-14 02:30:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 620 transitions. [2020-10-14 02:30:14,953 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 620 transitions. Word has length 86 [2020-10-14 02:30:14,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:14,954 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 620 transitions. [2020-10-14 02:30:14,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 620 transitions. [2020-10-14 02:30:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 02:30:14,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:14,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:14,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:30:14,958 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:14,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:14,959 INFO L82 PathProgramCache]: Analyzing trace with hash 138764217, now seen corresponding path program 1 times [2020-10-14 02:30:14,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:14,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659065018] [2020-10-14 02:30:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:15,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:15,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:15,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:15,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:15,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 02:30:15,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-14 02:30:15,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:15,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:30:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 02:30:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:15,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:15,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:15,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:15,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:30:15,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:15,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:15,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:15,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:15,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:15,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:15,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:15,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:15,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:15,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:30:15,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:15,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 02:30:15,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:15,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 02:30:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:15,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659065018] [2020-10-14 02:30:15,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:15,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:15,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358076381] [2020-10-14 02:30:15,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:15,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:15,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:15,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:15,834 INFO L87 Difference]: Start difference. First operand 443 states and 620 transitions. Second operand 5 states. [2020-10-14 02:30:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:16,983 INFO L93 Difference]: Finished difference Result 1174 states and 1701 transitions. [2020-10-14 02:30:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:16,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-10-14 02:30:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:16,989 INFO L225 Difference]: With dead ends: 1174 [2020-10-14 02:30:16,989 INFO L226 Difference]: Without dead ends: 737 [2020-10-14 02:30:16,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:30:16,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-10-14 02:30:17,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 590. [2020-10-14 02:30:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 02:30:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 783 transitions. [2020-10-14 02:30:17,027 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 783 transitions. Word has length 89 [2020-10-14 02:30:17,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:17,028 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 783 transitions. [2020-10-14 02:30:17,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 783 transitions. [2020-10-14 02:30:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 02:30:17,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:17,032 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:17,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:30:17,032 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:17,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1465790067, now seen corresponding path program 1 times [2020-10-14 02:30:17,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:17,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33269876] [2020-10-14 02:30:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:17,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:17,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:17,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 02:30:17,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:17,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 02:30:17,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:17,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:17,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:17,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 02:30:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 02:30:17,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:17,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:17,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:17,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:17,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 02:30:17,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:17,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:17,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:17,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:17,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:17,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 02:30:17,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 02:30:17,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:17,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:17,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 02:30:17,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:30:17,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33269876] [2020-10-14 02:30:17,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:17,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:30:17,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22075268] [2020-10-14 02:30:17,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:30:17,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:17,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:30:17,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:30:17,541 INFO L87 Difference]: Start difference. First operand 590 states and 783 transitions. Second operand 6 states. [2020-10-14 02:30:19,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:19,310 INFO L93 Difference]: Finished difference Result 1758 states and 2519 transitions. [2020-10-14 02:30:19,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:30:19,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-10-14 02:30:19,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:19,321 INFO L225 Difference]: With dead ends: 1758 [2020-10-14 02:30:19,321 INFO L226 Difference]: Without dead ends: 1174 [2020-10-14 02:30:19,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:30:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2020-10-14 02:30:19,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1027. [2020-10-14 02:30:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2020-10-14 02:30:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1410 transitions. [2020-10-14 02:30:19,393 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1410 transitions. Word has length 95 [2020-10-14 02:30:19,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:19,393 INFO L479 AbstractCegarLoop]: Abstraction has 1027 states and 1410 transitions. [2020-10-14 02:30:19,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:30:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1410 transitions. [2020-10-14 02:30:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-14 02:30:19,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:19,403 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:19,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:30:19,404 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:19,404 INFO L82 PathProgramCache]: Analyzing trace with hash -219130632, now seen corresponding path program 1 times [2020-10-14 02:30:19,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:19,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270502183] [2020-10-14 02:30:19,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:22,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:22,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 02:30:22,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2777 [2020-10-14 02:30:22,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:22,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 02:30:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 02:30:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:22,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:22,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:22,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:22,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:22,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:22,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:30:22,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:22,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:22,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:22,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:22,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:22,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:22,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 02:30:22,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 02:30:22,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:22,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 02:30:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:22,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 02:30:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:22,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:22,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:22,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 02:30:22,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 02:30:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:22,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 02:30:22,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:30:22,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270502183] [2020-10-14 02:30:22,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:22,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:22,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976181383] [2020-10-14 02:30:22,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:22,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:22,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:22,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:22,707 INFO L87 Difference]: Start difference. First operand 1027 states and 1410 transitions. Second operand 7 states. [2020-10-14 02:30:24,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:24,647 INFO L93 Difference]: Finished difference Result 2942 states and 4159 transitions. [2020-10-14 02:30:24,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:30:24,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-10-14 02:30:24,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:24,669 INFO L225 Difference]: With dead ends: 2942 [2020-10-14 02:30:24,669 INFO L226 Difference]: Without dead ends: 1921 [2020-10-14 02:30:24,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 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 02:30:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-14 02:30:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1478. [2020-10-14 02:30:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-10-14 02:30:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2006 transitions. [2020-10-14 02:30:24,753 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2006 transitions. Word has length 193 [2020-10-14 02:30:24,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:24,754 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2006 transitions. [2020-10-14 02:30:24,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2006 transitions. [2020-10-14 02:30:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 02:30:24,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:24,762 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:24,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:30:24,762 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:24,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:24,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1224074392, now seen corresponding path program 1 times [2020-10-14 02:30:24,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:24,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21763872] [2020-10-14 02:30:24,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:24,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:25,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:27,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:27,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 02:30:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2230 [2020-10-14 02:30:27,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:27,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-14 02:30:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 02:30:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:27,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:27,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:27,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:27,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:27,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:27,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:30:27,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:27,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:27,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:27,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:27,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:27,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:27,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 02:30:27,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:27,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 02:30:27,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:27,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:27,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 02:30:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:27,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:27,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:27,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 02:30:27,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 02:30:27,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:27,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 02:30:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 02:30:27,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21763872] [2020-10-14 02:30:27,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:27,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:30:27,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202181106] [2020-10-14 02:30:27,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:30:27,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:27,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:30:27,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:30:27,373 INFO L87 Difference]: Start difference. First operand 1478 states and 2006 transitions. Second operand 5 states. [2020-10-14 02:30:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:28,507 INFO L93 Difference]: Finished difference Result 2064 states and 2809 transitions. [2020-10-14 02:30:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:30:28,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-14 02:30:28,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:28,519 INFO L225 Difference]: With dead ends: 2064 [2020-10-14 02:30:28,520 INFO L226 Difference]: Without dead ends: 2062 [2020-10-14 02:30:28,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:30:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2020-10-14 02:30:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 1335. [2020-10-14 02:30:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-10-14 02:30:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1773 transitions. [2020-10-14 02:30:28,577 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1773 transitions. Word has length 201 [2020-10-14 02:30:28,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:28,578 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1773 transitions. [2020-10-14 02:30:28,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:30:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1773 transitions. [2020-10-14 02:30:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 02:30:28,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:28,583 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:28,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:30:28,584 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:28,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:28,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1062726671, now seen corresponding path program 1 times [2020-10-14 02:30:28,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:28,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986791511] [2020-10-14 02:30:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:28,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:28,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:30,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:30,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 02:30:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1815 [2020-10-14 02:30:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:30,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:30:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 02:30:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:30,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:30,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:30,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:30,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:30,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:30,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:30,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:30,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:30,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:30,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:30,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:30,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:30:30,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 02:30:30,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:30,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:30:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:30,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 02:30:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:30,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:30,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:30,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:30:30,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:30,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 02:30:30,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:30,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:30:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:30:30,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986791511] [2020-10-14 02:30:30,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:30,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:30,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514573128] [2020-10-14 02:30:30,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:30,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:30,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:30,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:30,901 INFO L87 Difference]: Start difference. First operand 1335 states and 1773 transitions. Second operand 7 states. [2020-10-14 02:30:32,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:32,654 INFO L93 Difference]: Finished difference Result 2883 states and 3993 transitions. [2020-10-14 02:30:32,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:30:32,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-14 02:30:32,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:32,665 INFO L225 Difference]: With dead ends: 2883 [2020-10-14 02:30:32,666 INFO L226 Difference]: Without dead ends: 1554 [2020-10-14 02:30:32,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 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 02:30:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-10-14 02:30:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1353. [2020-10-14 02:30:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2020-10-14 02:30:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1678 transitions. [2020-10-14 02:30:32,733 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1678 transitions. Word has length 218 [2020-10-14 02:30:32,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:32,734 INFO L479 AbstractCegarLoop]: Abstraction has 1353 states and 1678 transitions. [2020-10-14 02:30:32,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1678 transitions. [2020-10-14 02:30:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-14 02:30:32,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:32,741 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:32,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:30:32,742 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:32,742 INFO L82 PathProgramCache]: Analyzing trace with hash -2135877389, now seen corresponding path program 1 times [2020-10-14 02:30:32,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:32,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443317496] [2020-10-14 02:30:32,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:33,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-14 02:30:33,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:30:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-14 02:30:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:33,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 02:30:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 02:30:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:33,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:33,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:33,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:30:33,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:33,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:33,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 02:30:33,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 02:30:33,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:33,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 02:30:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:33,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 02:30:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:33,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:33,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:30:33,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 02:30:33,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:33,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:30:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:30:33,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443317496] [2020-10-14 02:30:33,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:33,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:33,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005963106] [2020-10-14 02:30:33,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:33,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:33,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:33,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:33,699 INFO L87 Difference]: Start difference. First operand 1353 states and 1678 transitions. Second operand 7 states. [2020-10-14 02:30:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:35,444 INFO L93 Difference]: Finished difference Result 3444 states and 4921 transitions. [2020-10-14 02:30:35,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:30:35,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-14 02:30:35,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:35,457 INFO L225 Difference]: With dead ends: 3444 [2020-10-14 02:30:35,457 INFO L226 Difference]: Without dead ends: 1475 [2020-10-14 02:30:35,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:30:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2020-10-14 02:30:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1353. [2020-10-14 02:30:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2020-10-14 02:30:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1654 transitions. [2020-10-14 02:30:35,535 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1654 transitions. Word has length 220 [2020-10-14 02:30:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:35,535 INFO L479 AbstractCegarLoop]: Abstraction has 1353 states and 1654 transitions. [2020-10-14 02:30:35,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1654 transitions. [2020-10-14 02:30:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-14 02:30:35,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:35,541 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:35,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:30:35,542 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:35,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:35,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2003705837, now seen corresponding path program 1 times [2020-10-14 02:30:35,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:35,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872150586] [2020-10-14 02:30:35,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:35,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:37,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 02:30:39,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:30:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3887 [2020-10-14 02:30:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 02:30:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 02:30:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:39,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:39,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:39,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:39,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:39,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:39,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:39,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 02:30:39,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 02:30:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:39,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 02:30:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:39,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:39,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:30:39,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:39,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-14 02:30:39,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:39,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:30:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:30:40,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872150586] [2020-10-14 02:30:40,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:40,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 02:30:40,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362983107] [2020-10-14 02:30:40,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 02:30:40,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:40,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 02:30:40,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:30:40,063 INFO L87 Difference]: Start difference. First operand 1353 states and 1654 transitions. Second operand 8 states. [2020-10-14 02:30:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:42,439 INFO L93 Difference]: Finished difference Result 2867 states and 3523 transitions. [2020-10-14 02:30:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 02:30:42,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 236 [2020-10-14 02:30:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:42,449 INFO L225 Difference]: With dead ends: 2867 [2020-10-14 02:30:42,449 INFO L226 Difference]: Without dead ends: 1520 [2020-10-14 02:30:42,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 02:30:42,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2020-10-14 02:30:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1353. [2020-10-14 02:30:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2020-10-14 02:30:42,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1511 transitions. [2020-10-14 02:30:42,489 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1511 transitions. Word has length 236 [2020-10-14 02:30:42,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:42,490 INFO L479 AbstractCegarLoop]: Abstraction has 1353 states and 1511 transitions. [2020-10-14 02:30:42,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 02:30:42,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1511 transitions. [2020-10-14 02:30:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 02:30:42,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:42,496 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:42,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:30:42,496 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:42,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:42,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1874245381, now seen corresponding path program 1 times [2020-10-14 02:30:42,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:42,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916099196] [2020-10-14 02:30:42,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:43,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:43,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-14 02:30:43,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:30:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-10-14 02:30:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:43,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 02:30:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 02:30:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:43,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:43,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:43,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:43,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:43,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:43,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:43,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:43,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:43,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 02:30:43,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 02:30:43,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:43,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 02:30:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 02:30:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:30:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 02:30:43,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:43,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:43,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:43,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:43,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:30:43,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:30:44,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916099196] [2020-10-14 02:30:44,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:44,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:44,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689104134] [2020-10-14 02:30:44,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:44,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:44,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:44,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:44,014 INFO L87 Difference]: Start difference. First operand 1353 states and 1511 transitions. Second operand 7 states. [2020-10-14 02:30:45,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:45,421 INFO L93 Difference]: Finished difference Result 3569 states and 4382 transitions. [2020-10-14 02:30:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:30:45,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-10-14 02:30:45,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:45,435 INFO L225 Difference]: With dead ends: 3569 [2020-10-14 02:30:45,435 INFO L226 Difference]: Without dead ends: 2222 [2020-10-14 02:30:45,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 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 02:30:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2020-10-14 02:30:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 1794. [2020-10-14 02:30:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-10-14 02:30:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2002 transitions. [2020-10-14 02:30:45,505 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2002 transitions. Word has length 256 [2020-10-14 02:30:45,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:45,506 INFO L479 AbstractCegarLoop]: Abstraction has 1794 states and 2002 transitions. [2020-10-14 02:30:45,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2002 transitions. [2020-10-14 02:30:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 02:30:45,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:45,514 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:30:45,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:30:45,514 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:45,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1963271799, now seen corresponding path program 1 times [2020-10-14 02:30:45,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:45,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939635924] [2020-10-14 02:30:45,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:45,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:45,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:45,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:50,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:50,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 02:30:50,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:30:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 02:30:50,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:50,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-10-14 02:30:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 02:30:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:50,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:50,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:50,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:50,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:30:50,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:50,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:50,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:50,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:50,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:50,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 02:30:50,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:50,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 02:30:50,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:50,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:50,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:50,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 02:30:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:50,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:50,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:50,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 02:30:50,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:50,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 02:30:50,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:50,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 02:30:50,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-14 02:30:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:50,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:50,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:30:50,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:50,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 02:30:50,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:50,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:50,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:50,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:50,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:30:50,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 02:30:51,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939635924] [2020-10-14 02:30:51,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:51,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:51,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097211362] [2020-10-14 02:30:51,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:51,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:51,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:51,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:51,052 INFO L87 Difference]: Start difference. First operand 1794 states and 2002 transitions. Second operand 7 states. [2020-10-14 02:30:52,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:52,658 INFO L93 Difference]: Finished difference Result 3922 states and 4498 transitions. [2020-10-14 02:30:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:30:52,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-14 02:30:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:52,667 INFO L225 Difference]: With dead ends: 3922 [2020-10-14 02:30:52,668 INFO L226 Difference]: Without dead ends: 1832 [2020-10-14 02:30:52,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:30:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2020-10-14 02:30:52,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1788. [2020-10-14 02:30:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1788 states. [2020-10-14 02:30:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 1988 transitions. [2020-10-14 02:30:52,720 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 1988 transitions. Word has length 319 [2020-10-14 02:30:52,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:52,721 INFO L479 AbstractCegarLoop]: Abstraction has 1788 states and 1988 transitions. [2020-10-14 02:30:52,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 1988 transitions. [2020-10-14 02:30:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-14 02:30:52,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:52,729 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:30:52,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:30:52,730 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:52,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:52,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1051985820, now seen corresponding path program 1 times [2020-10-14 02:30:52,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:52,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338282090] [2020-10-14 02:30:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:52,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:53,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:53,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-14 02:30:53,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:30:53,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-14 02:30:53,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:53,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-14 02:30:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 02:30:53,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:30:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:53,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:53,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:53,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:30:53,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:30:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:53,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:30:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:53,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:53,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 02:30:53,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:53,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 02:30:53,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:53,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:30:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:30:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:30:53,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 02:30:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:53,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:53,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:30:53,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:53,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 02:30:53,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:53,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:30:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:30:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:30:53,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 02:30:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:30:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:30:54,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:30:54,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:30:54,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:30:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:30:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-14 02:30:54,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338282090] [2020-10-14 02:30:54,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:30:54,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:30:54,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973649295] [2020-10-14 02:30:54,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:30:54,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:30:54,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:30:54,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:30:54,165 INFO L87 Difference]: Start difference. First operand 1788 states and 1988 transitions. Second operand 7 states. [2020-10-14 02:30:55,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:30:55,777 INFO L93 Difference]: Finished difference Result 4534 states and 5293 transitions. [2020-10-14 02:30:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:30:55,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 328 [2020-10-14 02:30:55,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:30:55,792 INFO L225 Difference]: With dead ends: 4534 [2020-10-14 02:30:55,793 INFO L226 Difference]: Without dead ends: 2752 [2020-10-14 02:30:55,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:30:55,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2020-10-14 02:30:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2670. [2020-10-14 02:30:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2670 states. [2020-10-14 02:30:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 2960 transitions. [2020-10-14 02:30:55,878 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 2960 transitions. Word has length 328 [2020-10-14 02:30:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:30:55,879 INFO L479 AbstractCegarLoop]: Abstraction has 2670 states and 2960 transitions. [2020-10-14 02:30:55,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:30:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 2960 transitions. [2020-10-14 02:30:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-14 02:30:55,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:30:55,890 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:30:55,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:30:55,891 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:30:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:30:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash -95771531, now seen corresponding path program 1 times [2020-10-14 02:30:55,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:30:55,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62790827] [2020-10-14 02:30:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:30:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 02:30:55,965 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 02:30:55,965 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 02:30:55,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:30:56,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:30:56 BoogieIcfgContainer [2020-10-14 02:30:56,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:30:56,077 INFO L168 Benchmark]: Toolchain (without parser) took 48213.21 ms. Allocated memory was 147.8 MB in the beginning and 941.1 MB in the end (delta: 793.2 MB). Free memory was 102.3 MB in the beginning and 424.9 MB in the end (delta: -322.6 MB). Peak memory consumption was 470.6 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:56,078 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 02:30:56,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.27 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 171.2 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:56,080 INFO L168 Benchmark]: Boogie Preprocessor took 135.13 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:56,081 INFO L168 Benchmark]: RCFGBuilder took 1360.21 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 166.3 MB in the beginning and 175.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:56,088 INFO L168 Benchmark]: TraceAbstraction took 45893.42 ms. Allocated memory was 235.9 MB in the beginning and 941.1 MB in the end (delta: 705.2 MB). Free memory was 175.8 MB in the beginning and 424.9 MB in the end (delta: -249.1 MB). Peak memory consumption was 456.0 MB. Max. memory is 7.1 GB. [2020-10-14 02:30:56,094 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 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 817.27 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 171.2 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.13 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1360.21 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 166.3 MB in the beginning and 175.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45893.42 ms. Allocated memory was 235.9 MB in the beginning and 941.1 MB in the end (delta: 705.2 MB). Free memory was 175.8 MB in the beginning and 424.9 MB in the end (delta: -249.1 MB). Peak memory consumption was 456.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 34]: 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 TRUE ((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0)) [L426] a1 = ((((a1 / 5) * 5) / 5) + 505228) [L427] a10 = 1 [L429] 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 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 TRUE ((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 ))) [L287] a1 = ((((((a1 % 89)+ 74) - -21) * 5) % 89)- -118) [L288] a19 = 10 [L290] 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 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 TRUE (((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10)) [L482] a1 = ((((a1 * 10)/ -9) * 5) - 333686) [L483] a10 = 4 [L484] a19 = 6 [L486] 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 TRUE (((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6)) [L34] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 45.7s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 337 SDtfs, 5316 SDslu, 405 SDs, 0 SdLazy, 10951 SolverSat, 1864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2670occurred 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, 2661 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 2598 NumberOfCodeBlocks, 2598 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1081757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 1232/1251 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...