/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:45:09,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:45:09,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:45:09,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:45:09,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:45:09,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:45:09,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:45:09,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:45:09,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:45:09,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:45:09,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:45:09,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:45:09,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:45:09,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:45:09,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:45:09,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:45:09,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:45:09,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:45:09,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:45:09,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:45:09,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:45:09,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:45:09,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:45:09,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:45:09,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:45:09,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:45:09,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:45:09,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:45:09,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:45:09,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:45:09,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:45:09,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:45:09,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:45:09,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:45:09,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:45:09,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:45:09,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:45:09,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:45:09,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:45:09,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:45:09,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:45:09,218 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 21:45:09,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:45:09,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:45:09,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:45:09,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:45:09,244 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:45:09,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:45:09,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:45:09,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:45:09,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:45:09,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:45:09,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:45:09,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:45:09,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:45:09,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:45:09,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:45:09,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:45:09,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:45:09,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:45:09,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:45:09,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:45:09,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:45:09,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:45:09,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:45:09,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:45:09,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:45:09,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:45:09,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:45:09,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:45:09,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:45:09,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:45:09,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:45:09,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:45:09,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:45:09,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:45:09,595 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:45:09,596 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33.c [2020-10-14 21:45:09,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd3cf5c9/ede27e1e83fb490e847b411f01e588d4/FLAG442793d85 [2020-10-14 21:45:10,261 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:45:10,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label33.c [2020-10-14 21:45:10,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd3cf5c9/ede27e1e83fb490e847b411f01e588d4/FLAG442793d85 [2020-10-14 21:45:10,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd3cf5c9/ede27e1e83fb490e847b411f01e588d4 [2020-10-14 21:45:10,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:45:10,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:45:10,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:45:10,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:45:10,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:45:10,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:45:10" (1/1) ... [2020-10-14 21:45:10,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ff642f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:10, skipping insertion in model container [2020-10-14 21:45:10,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:45:10" (1/1) ... [2020-10-14 21:45:10,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:45:10,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:45:11,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:45:11,227 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:45:11,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:45:11,440 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:45:11,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11 WrapperNode [2020-10-14 21:45:11,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:45:11,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:45:11,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:45:11,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:45:11,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (1/1) ... [2020-10-14 21:45:11,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:45:11,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:45:11,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:45:11,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:45:11,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (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 21:45:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:45:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:45:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:45:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:45:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:45:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:45:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:45:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:45:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:45:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:45:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:45:13,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:45:13,092 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:45:13,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:45:13 BoogieIcfgContainer [2020-10-14 21:45:13,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:45:13,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:45:13,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:45:13,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:45:13,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:45:10" (1/3) ... [2020-10-14 21:45:13,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ee2796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:45:13, skipping insertion in model container [2020-10-14 21:45:13,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:45:11" (2/3) ... [2020-10-14 21:45:13,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ee2796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:45:13, skipping insertion in model container [2020-10-14 21:45:13,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:45:13" (3/3) ... [2020-10-14 21:45:13,109 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-10-14 21:45:13,123 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:45:13,131 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:45:13,145 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:45:13,172 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:45:13,172 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:45:13,172 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:45:13,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:45:13,173 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:45:13,173 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:45:13,173 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:45:13,173 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:45:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:45:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 21:45:13,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:13,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:13,215 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:13,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:13,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1630664019, now seen corresponding path program 1 times [2020-10-14 21:45:13,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:13,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715041495] [2020-10-14 21:45:13,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 21:45:13,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:13,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 21:45:13,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 21:45:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:45:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:13,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:13,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:13,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:45:13,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:13,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:14,019 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 21:45:14,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715041495] [2020-10-14 21:45:14,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:45:14,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:45:14,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322599801] [2020-10-14 21:45:14,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:45:14,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:14,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:45:14,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:45:14,075 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 21:45:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:16,677 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-14 21:45:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:45:16,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-14 21:45:16,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:16,717 INFO L225 Difference]: With dead ends: 886 [2020-10-14 21:45:16,717 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 21:45:16,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 21:45:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 21:45:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 21:45:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-14 21:45:16,893 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 64 [2020-10-14 21:45:16,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:16,894 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-14 21:45:16,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:45:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-14 21:45:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 21:45:16,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:16,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:45:16,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:45:16,903 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:16,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:16,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2056991267, now seen corresponding path program 1 times [2020-10-14 21:45:16,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:16,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437225918] [2020-10-14 21:45:16,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:16,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:17,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:17,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:45:18,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:18,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-10-14 21:45:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:45:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 21:45:18,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:18,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:18,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:18,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:45:18,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:18,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:18,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:18,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:18,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:18,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:45:18,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:45:18,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:18,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:45:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 21:45:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:45:18,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437225918] [2020-10-14 21:45:18,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:18,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:45:18,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410532795] [2020-10-14 21:45:18,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:45:18,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:18,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:45:18,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:45:18,676 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 5 states. [2020-10-14 21:45:20,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:20,254 INFO L93 Difference]: Finished difference Result 1302 states and 2019 transitions. [2020-10-14 21:45:20,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:45:20,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-14 21:45:20,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:20,260 INFO L225 Difference]: With dead ends: 1302 [2020-10-14 21:45:20,261 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 21:45:20,263 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 21:45:20,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 21:45:20,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 21:45:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 21:45:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1049 transitions. [2020-10-14 21:45:20,292 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1049 transitions. Word has length 133 [2020-10-14 21:45:20,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:20,293 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1049 transitions. [2020-10-14 21:45:20,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:45:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1049 transitions. [2020-10-14 21:45:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 21:45:20,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:20,305 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:20,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:45:20,305 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:20,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1295650903, now seen corresponding path program 1 times [2020-10-14 21:45:20,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:20,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920513358] [2020-10-14 21:45:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 21:45:25,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 21:45:25,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:45:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:45:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:25,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:25,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:45:25,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:25,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:45:25,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:45:25,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 21:45:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:25,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:25,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:25,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:25,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 21:45:25,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:25,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:45:25,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:45:25,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920513358] [2020-10-14 21:45:25,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:25,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:25,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12774122] [2020-10-14 21:45:25,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:25,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:25,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:25,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:25,780 INFO L87 Difference]: Start difference. First operand 744 states and 1049 transitions. Second operand 7 states. [2020-10-14 21:45:27,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:27,691 INFO L93 Difference]: Finished difference Result 1684 states and 2320 transitions. [2020-10-14 21:45:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:27,692 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-10-14 21:45:27,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:27,703 INFO L225 Difference]: With dead ends: 1684 [2020-10-14 21:45:27,703 INFO L226 Difference]: Without dead ends: 760 [2020-10-14 21:45:27,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:27,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-14 21:45:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2020-10-14 21:45:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-14 21:45:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 859 transitions. [2020-10-14 21:45:27,749 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 859 transitions. Word has length 216 [2020-10-14 21:45:27,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:27,750 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 859 transitions. [2020-10-14 21:45:27,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 859 transitions. [2020-10-14 21:45:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-14 21:45:27,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:27,759 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:27,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:45:27,760 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:27,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:27,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1494054908, now seen corresponding path program 1 times [2020-10-14 21:45:27,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:27,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924041121] [2020-10-14 21:45:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-14 21:45:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:45:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:32,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 21:45:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:32,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:32,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:32,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:32,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:45:32,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:32,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:33,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:33,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-14 21:45:33,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:33,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:33,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 21:45:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:33,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:33,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:33,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:45:33,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:33,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:33,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:33,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 21:45:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 114 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:45:33,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924041121] [2020-10-14 21:45:33,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:33,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:33,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68922955] [2020-10-14 21:45:33,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:33,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:33,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:33,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:33,513 INFO L87 Difference]: Start difference. First operand 748 states and 859 transitions. Second operand 7 states. [2020-10-14 21:45:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:34,932 INFO L93 Difference]: Finished difference Result 2062 states and 2422 transitions. [2020-10-14 21:45:34,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:34,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 317 [2020-10-14 21:45:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:34,941 INFO L225 Difference]: With dead ends: 2062 [2020-10-14 21:45:34,941 INFO L226 Difference]: Without dead ends: 1320 [2020-10-14 21:45:34,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:34,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-14 21:45:34,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1122. [2020-10-14 21:45:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-14 21:45:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1258 transitions. [2020-10-14 21:45:34,991 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1258 transitions. Word has length 317 [2020-10-14 21:45:34,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:34,993 INFO L479 AbstractCegarLoop]: Abstraction has 1122 states and 1258 transitions. [2020-10-14 21:45:34,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1258 transitions. [2020-10-14 21:45:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-14 21:45:35,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:35,010 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:35,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:45:35,011 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:35,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:35,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1903330942, now seen corresponding path program 1 times [2020-10-14 21:45:35,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:35,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850376936] [2020-10-14 21:45:35,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:35,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:39,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 440 [2020-10-14 21:45:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 21:45:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:45:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:40,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:40,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:45:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:40,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:40,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:40,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 21:45:40,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:45:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:40,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:40,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-14 21:45:40,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 21:45:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:45:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:45:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 21:45:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 281 proven. 73 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-14 21:45:41,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850376936] [2020-10-14 21:45:41,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:41,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:41,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719285302] [2020-10-14 21:45:41,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:41,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:41,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:41,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:41,170 INFO L87 Difference]: Start difference. First operand 1122 states and 1258 transitions. Second operand 7 states. [2020-10-14 21:45:42,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:42,704 INFO L93 Difference]: Finished difference Result 2814 states and 3241 transitions. [2020-10-14 21:45:42,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:42,705 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 426 [2020-10-14 21:45:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:42,715 INFO L225 Difference]: With dead ends: 2814 [2020-10-14 21:45:42,716 INFO L226 Difference]: Without dead ends: 1698 [2020-10-14 21:45:42,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:45:42,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2020-10-14 21:45:42,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1498. [2020-10-14 21:45:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1498 states. [2020-10-14 21:45:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 1681 transitions. [2020-10-14 21:45:42,765 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 1681 transitions. Word has length 426 [2020-10-14 21:45:42,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:42,766 INFO L479 AbstractCegarLoop]: Abstraction has 1498 states and 1681 transitions. [2020-10-14 21:45:42,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1681 transitions. [2020-10-14 21:45:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2020-10-14 21:45:42,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:42,776 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:45:42,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:45:42,776 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:42,777 INFO L82 PathProgramCache]: Analyzing trace with hash -387991502, now seen corresponding path program 1 times [2020-10-14 21:45:42,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:42,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933147155] [2020-10-14 21:45:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:42,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:42,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 464 [2020-10-14 21:45:47,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 21:45:47,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:47,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:45:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:47,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:47,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:47,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:48,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:48,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:48,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:48,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 21:45:48,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:48,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:45:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:45:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:48,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:48,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:48,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:48,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:48,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-14 21:45:48,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:48,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:48,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:48,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 21:45:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:48,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:48,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:48,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:45:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:45:48,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:48,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 21:45:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 305 proven. 73 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-14 21:45:48,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933147155] [2020-10-14 21:45:48,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:48,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:48,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111442661] [2020-10-14 21:45:48,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:48,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:48,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:48,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:48,840 INFO L87 Difference]: Start difference. First operand 1498 states and 1681 transitions. Second operand 7 states. [2020-10-14 21:45:50,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:50,459 INFO L93 Difference]: Finished difference Result 4352 states and 5129 transitions. [2020-10-14 21:45:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:50,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 450 [2020-10-14 21:45:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:50,482 INFO L225 Difference]: With dead ends: 4352 [2020-10-14 21:45:50,482 INFO L226 Difference]: Without dead ends: 2860 [2020-10-14 21:45:50,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2020-10-14 21:45:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2798. [2020-10-14 21:45:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2798 states. [2020-10-14 21:45:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3109 transitions. [2020-10-14 21:45:50,598 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3109 transitions. Word has length 450 [2020-10-14 21:45:50,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:50,599 INFO L479 AbstractCegarLoop]: Abstraction has 2798 states and 3109 transitions. [2020-10-14 21:45:50,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3109 transitions. [2020-10-14 21:45:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-10-14 21:45:50,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:50,618 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:45:50,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:45:50,618 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:50,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:50,619 INFO L82 PathProgramCache]: Analyzing trace with hash 756953216, now seen corresponding path program 1 times [2020-10-14 21:45:50,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:50,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483891340] [2020-10-14 21:45:50,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:50,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:50,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:51,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:52,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:53,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:53,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 601 [2020-10-14 21:45:55,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:45:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:45:55,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:55,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:45:55,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 21:45:55,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:55,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:45:55,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:55,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:55,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:55,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:45:55,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:55,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:55,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:55,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:55,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:45:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:45:56,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 21:45:56,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 21:45:56,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 21:45:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:56,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 21:45:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:45:56,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:45:56,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 21:45:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:56,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 342 proven. 229 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-14 21:45:56,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483891340] [2020-10-14 21:45:56,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:56,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:56,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358935595] [2020-10-14 21:45:56,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:56,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:56,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:56,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:56,471 INFO L87 Difference]: Start difference. First operand 2798 states and 3109 transitions. Second operand 7 states. [2020-10-14 21:45:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:57,842 INFO L93 Difference]: Finished difference Result 6346 states and 7204 transitions. [2020-10-14 21:45:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:57,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 585 [2020-10-14 21:45:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:57,861 INFO L225 Difference]: With dead ends: 6346 [2020-10-14 21:45:57,861 INFO L226 Difference]: Without dead ends: 3736 [2020-10-14 21:45:57,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-10-14 21:45:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3548. [2020-10-14 21:45:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2020-10-14 21:45:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 3963 transitions. [2020-10-14 21:45:57,974 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 3963 transitions. Word has length 585 [2020-10-14 21:45:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:57,975 INFO L479 AbstractCegarLoop]: Abstraction has 3548 states and 3963 transitions. [2020-10-14 21:45:57,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 3963 transitions. [2020-10-14 21:45:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-10-14 21:45:58,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:58,006 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:58,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:45:58,007 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:58,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:58,008 INFO L82 PathProgramCache]: Analyzing trace with hash -589911960, now seen corresponding path program 1 times [2020-10-14 21:45:58,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:58,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11254789] [2020-10-14 21:45:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:58,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:58,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 649 [2020-10-14 21:46:03,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 21:46:03,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 322 [2020-10-14 21:46:03,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:03,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:46:03,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:03,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:46:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:46:03,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:03,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:46:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:03,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 21:46:03,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:46:03,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 21:46:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:03,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-14 21:46:03,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-10-14 21:46:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:46:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 545 proven. 79 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 21:46:04,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11254789] [2020-10-14 21:46:04,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:04,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:04,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110780770] [2020-10-14 21:46:04,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:04,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:04,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:04,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:04,176 INFO L87 Difference]: Start difference. First operand 3548 states and 3963 transitions. Second operand 7 states. [2020-10-14 21:46:05,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:05,656 INFO L93 Difference]: Finished difference Result 8204 states and 9335 transitions. [2020-10-14 21:46:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:05,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 633 [2020-10-14 21:46:05,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:05,679 INFO L225 Difference]: With dead ends: 8204 [2020-10-14 21:46:05,679 INFO L226 Difference]: Without dead ends: 4844 [2020-10-14 21:46:05,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:46:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4844 states. [2020-10-14 21:46:05,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4844 to 4652. [2020-10-14 21:46:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4652 states. [2020-10-14 21:46:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 5311 transitions. [2020-10-14 21:46:05,813 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 5311 transitions. Word has length 633 [2020-10-14 21:46:05,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:05,814 INFO L479 AbstractCegarLoop]: Abstraction has 4652 states and 5311 transitions. [2020-10-14 21:46:05,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 5311 transitions. [2020-10-14 21:46:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2020-10-14 21:46:05,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:05,826 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:46:05,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:46:05,826 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:05,827 INFO L82 PathProgramCache]: Analyzing trace with hash -469181679, now seen corresponding path program 1 times [2020-10-14 21:46:05,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:05,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435084023] [2020-10-14 21:46:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:05,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:10,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:10,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 727 [2020-10-14 21:46:10,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-14 21:46:10,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:10,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:46:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:11,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:11,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:46:11,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:46:11,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:46:11,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:46:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:46:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 21:46:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:11,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:11,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:46:11,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-10-14 21:46:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:46:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:11,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-14 21:46:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:11,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:46:11,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:11,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:11,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 21:46:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 427 proven. 326 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2020-10-14 21:46:12,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435084023] [2020-10-14 21:46:12,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:12,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:12,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381093863] [2020-10-14 21:46:12,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:12,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:12,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:12,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:12,179 INFO L87 Difference]: Start difference. First operand 4652 states and 5311 transitions. Second operand 7 states. [2020-10-14 21:46:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:13,686 INFO L93 Difference]: Finished difference Result 9494 states and 10868 transitions. [2020-10-14 21:46:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:46:13,687 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 709 [2020-10-14 21:46:13,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:13,709 INFO L225 Difference]: With dead ends: 9494 [2020-10-14 21:46:13,709 INFO L226 Difference]: Without dead ends: 4840 [2020-10-14 21:46:13,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:46:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2020-10-14 21:46:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 4654. [2020-10-14 21:46:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4654 states. [2020-10-14 21:46:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 5267 transitions. [2020-10-14 21:46:13,841 INFO L78 Accepts]: Start accepts. Automaton has 4654 states and 5267 transitions. Word has length 709 [2020-10-14 21:46:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:13,842 INFO L479 AbstractCegarLoop]: Abstraction has 4654 states and 5267 transitions. [2020-10-14 21:46:13,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 4654 states and 5267 transitions. [2020-10-14 21:46:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2020-10-14 21:46:13,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:13,858 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:13,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:46:13,859 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:13,860 INFO L82 PathProgramCache]: Analyzing trace with hash 997647374, now seen corresponding path program 1 times [2020-10-14 21:46:13,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:13,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333994821] [2020-10-14 21:46:13,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:14,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:17,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 815 [2020-10-14 21:46:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:46:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 21:46:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:46:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 488 [2020-10-14 21:46:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 326 [2020-10-14 21:46:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:19,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:46:19,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:19,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:19,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:19,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:46:19,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:46:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:19,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:46:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:19,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 21:46:19,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:19,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:19,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 21:46:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:19,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:46:19,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:46:19,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:19,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:46:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 1015 proven. 191 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2020-10-14 21:46:20,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333994821] [2020-10-14 21:46:20,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:20,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:46:20,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842293931] [2020-10-14 21:46:20,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:46:20,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:20,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:46:20,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:46:20,058 INFO L87 Difference]: Start difference. First operand 4654 states and 5267 transitions. Second operand 9 states. [2020-10-14 21:46:22,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:22,207 INFO L93 Difference]: Finished difference Result 10790 states and 12383 transitions. [2020-10-14 21:46:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 21:46:22,208 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 795 [2020-10-14 21:46:22,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:22,235 INFO L225 Difference]: With dead ends: 10790 [2020-10-14 21:46:22,235 INFO L226 Difference]: Without dead ends: 6324 [2020-10-14 21:46:22,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:46:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6324 states. [2020-10-14 21:46:22,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6324 to 5950. [2020-10-14 21:46:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5950 states. [2020-10-14 21:46:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 6842 transitions. [2020-10-14 21:46:22,371 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 6842 transitions. Word has length 795 [2020-10-14 21:46:22,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:22,372 INFO L479 AbstractCegarLoop]: Abstraction has 5950 states and 6842 transitions. [2020-10-14 21:46:22,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:46:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 6842 transitions. [2020-10-14 21:46:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2020-10-14 21:46:22,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:22,383 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:22,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:46:22,383 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:22,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:22,384 INFO L82 PathProgramCache]: Analyzing trace with hash 454301333, now seen corresponding path program 1 times [2020-10-14 21:46:22,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:22,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947978962] [2020-10-14 21:46:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:25,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 818 [2020-10-14 21:46:27,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 21:46:27,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:46:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:27,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:27,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:27,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:27,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:27,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:46:27,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:27,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:27,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:46:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:46:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:28,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:28,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:28,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:28,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:46:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:28,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:28,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:46:28,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:28,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:46:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 21:46:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:28,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:46:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:28,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 584 proven. 329 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2020-10-14 21:46:28,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947978962] [2020-10-14 21:46:28,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:28,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:46:28,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402202616] [2020-10-14 21:46:28,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:46:28,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:28,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:46:28,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:28,531 INFO L87 Difference]: Start difference. First operand 5950 states and 6842 transitions. Second operand 8 states. [2020-10-14 21:46:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:30,544 INFO L93 Difference]: Finished difference Result 12274 states and 14206 transitions. [2020-10-14 21:46:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:46:30,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 798 [2020-10-14 21:46:30,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:30,568 INFO L225 Difference]: With dead ends: 12274 [2020-10-14 21:46:30,568 INFO L226 Difference]: Without dead ends: 6512 [2020-10-14 21:46:30,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:46:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2020-10-14 21:46:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 5950. [2020-10-14 21:46:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5950 states. [2020-10-14 21:46:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 6649 transitions. [2020-10-14 21:46:30,688 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 6649 transitions. Word has length 798 [2020-10-14 21:46:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:30,688 INFO L479 AbstractCegarLoop]: Abstraction has 5950 states and 6649 transitions. [2020-10-14 21:46:30,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:46:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 6649 transitions. [2020-10-14 21:46:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1055 [2020-10-14 21:46:30,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:30,707 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:30,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:46:30,708 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:30,708 INFO L82 PathProgramCache]: Analyzing trace with hash 742889763, now seen corresponding path program 1 times [2020-10-14 21:46:30,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:30,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754986282] [2020-10-14 21:46:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:32,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:35,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:35,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1078 [2020-10-14 21:46:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:35,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:36,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:36,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:36,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:36,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:46:36,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:36,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:36,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:46:36,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:36,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:36,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:36,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:46:36,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:36,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 21:46:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2020-10-14 21:46:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:46:36,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:46:36,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 21:46:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:36,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2020-10-14 21:46:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:36,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:36,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:36,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3456 backedges. 1002 proven. 309 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2020-10-14 21:46:37,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754986282] [2020-10-14 21:46:37,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:37,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:37,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353570341] [2020-10-14 21:46:37,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:37,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:37,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:37,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:37,335 INFO L87 Difference]: Start difference. First operand 5950 states and 6649 transitions. Second operand 7 states. [2020-10-14 21:46:38,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:38,633 INFO L93 Difference]: Finished difference Result 11914 states and 13327 transitions. [2020-10-14 21:46:38,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:38,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1054 [2020-10-14 21:46:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:38,652 INFO L225 Difference]: With dead ends: 11914 [2020-10-14 21:46:38,652 INFO L226 Difference]: Without dead ends: 6152 [2020-10-14 21:46:38,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:46:38,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6152 states. [2020-10-14 21:46:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6152 to 5950. [2020-10-14 21:46:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5950 states. [2020-10-14 21:46:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 6649 transitions. [2020-10-14 21:46:38,762 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 6649 transitions. Word has length 1054 [2020-10-14 21:46:38,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:38,763 INFO L479 AbstractCegarLoop]: Abstraction has 5950 states and 6649 transitions. [2020-10-14 21:46:38,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 6649 transitions. [2020-10-14 21:46:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2020-10-14 21:46:38,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:38,784 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:38,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:46:38,784 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:38,785 INFO L82 PathProgramCache]: Analyzing trace with hash 2018544332, now seen corresponding path program 1 times [2020-10-14 21:46:38,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:38,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341916425] [2020-10-14 21:46:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:43,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1156 [2020-10-14 21:46:43,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:43,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 21:46:43,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:43,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:46:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:46:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 416 [2020-10-14 21:46:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:44,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:44,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:44,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:44,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:44,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:44,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:44,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:44,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:46:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:44,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-14 21:46:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:46:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:46:44,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2020-10-14 21:46:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:46:45,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:46:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:46:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:45,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2020-10-14 21:46:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:45,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:46:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:45,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4121 backedges. 2160 proven. 578 refuted. 0 times theorem prover too weak. 1383 trivial. 0 not checked. [2020-10-14 21:46:46,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341916425] [2020-10-14 21:46:46,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:46,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:46:46,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966563958] [2020-10-14 21:46:46,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:46:46,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:46,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:46:46,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:46,510 INFO L87 Difference]: Start difference. First operand 5950 states and 6649 transitions. Second operand 11 states. [2020-10-14 21:46:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:49,210 INFO L93 Difference]: Finished difference Result 11914 states and 13327 transitions. [2020-10-14 21:46:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:46:49,210 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1130 [2020-10-14 21:46:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:49,232 INFO L225 Difference]: With dead ends: 11914 [2020-10-14 21:46:49,232 INFO L226 Difference]: Without dead ends: 6152 [2020-10-14 21:46:49,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:46:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6152 states. [2020-10-14 21:46:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6152 to 6132. [2020-10-14 21:46:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6132 states. [2020-10-14 21:46:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 6830 transitions. [2020-10-14 21:46:49,405 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 6830 transitions. Word has length 1130 [2020-10-14 21:46:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:49,407 INFO L479 AbstractCegarLoop]: Abstraction has 6132 states and 6830 transitions. [2020-10-14 21:46:49,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:46:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 6830 transitions. [2020-10-14 21:46:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2020-10-14 21:46:49,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:49,441 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:49,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:46:49,441 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:49,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:49,442 INFO L82 PathProgramCache]: Analyzing trace with hash -96409199, now seen corresponding path program 1 times [2020-10-14 21:46:49,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:49,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526363772] [2020-10-14 21:46:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:49,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:50,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1177 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:46:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:46:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:54,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:54,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:54,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:54,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:54,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:54,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:54,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:54,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:54,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:54,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:54,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:54,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:54,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:54,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:54,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:54,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:54,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:54,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:55,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:55,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:46:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:55,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:46:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:55,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:55,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:46:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:55,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-14 21:46:55,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 21:46:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2020-10-14 21:46:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:46:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:55,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2020-10-14 21:46:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:55,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:55,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:46:55,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:55,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:55,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:55,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:46:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:55,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 1819 proven. 384 refuted. 0 times theorem prover too weak. 1958 trivial. 0 not checked. [2020-10-14 21:46:56,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526363772] [2020-10-14 21:46:56,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:56,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:46:56,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130590742] [2020-10-14 21:46:56,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:46:56,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:56,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:46:56,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:56,768 INFO L87 Difference]: Start difference. First operand 6132 states and 6830 transitions. Second operand 11 states. [2020-10-14 21:46:59,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:59,780 INFO L93 Difference]: Finished difference Result 12100 states and 13498 transitions. [2020-10-14 21:46:59,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:46:59,781 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1151 [2020-10-14 21:46:59,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:59,808 INFO L225 Difference]: With dead ends: 12100 [2020-10-14 21:46:59,808 INFO L226 Difference]: Without dead ends: 6156 [2020-10-14 21:46:59,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2020-10-14 21:46:59,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6156 states. [2020-10-14 21:46:59,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6156 to 6132. [2020-10-14 21:46:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6132 states. [2020-10-14 21:46:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 6132 states and 6828 transitions. [2020-10-14 21:46:59,928 INFO L78 Accepts]: Start accepts. Automaton has 6132 states and 6828 transitions. Word has length 1151 [2020-10-14 21:46:59,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:59,929 INFO L479 AbstractCegarLoop]: Abstraction has 6132 states and 6828 transitions. [2020-10-14 21:46:59,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:46:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6132 states and 6828 transitions. [2020-10-14 21:46:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1270 [2020-10-14 21:46:59,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:59,952 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:46:59,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:46:59,952 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:59,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:59,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2101716754, now seen corresponding path program 1 times [2020-10-14 21:46:59,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:59,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882950863] [2020-10-14 21:46:59,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:00,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:00,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:02,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:04,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1297 [2020-10-14 21:47:05,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:47:05,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-14 21:47:05,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1032 [2020-10-14 21:47:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:47:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:05,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:05,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:47:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:05,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:47:05,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:47:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:05,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:47:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2020-10-14 21:47:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:05,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 21:47:05,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:47:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2020-10-14 21:47:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:47:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1127 [2020-10-14 21:47:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:47:05,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:47:05,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:47:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5181 backedges. 1463 proven. 85 refuted. 0 times theorem prover too weak. 3633 trivial. 0 not checked. [2020-10-14 21:47:06,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882950863] [2020-10-14 21:47:06,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:06,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:06,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591170094] [2020-10-14 21:47:06,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:06,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:06,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:06,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:06,599 INFO L87 Difference]: Start difference. First operand 6132 states and 6828 transitions. Second operand 7 states. [2020-10-14 21:47:08,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:08,047 INFO L93 Difference]: Finished difference Result 13012 states and 14629 transitions. [2020-10-14 21:47:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:47:08,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1269 [2020-10-14 21:47:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:08,073 INFO L225 Difference]: With dead ends: 13012 [2020-10-14 21:47:08,074 INFO L226 Difference]: Without dead ends: 7068 [2020-10-14 21:47:08,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:47:08,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7068 states. [2020-10-14 21:47:08,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7068 to 7056. [2020-10-14 21:47:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7056 states. [2020-10-14 21:47:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7056 states to 7056 states and 7849 transitions. [2020-10-14 21:47:08,204 INFO L78 Accepts]: Start accepts. Automaton has 7056 states and 7849 transitions. Word has length 1269 [2020-10-14 21:47:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:08,205 INFO L479 AbstractCegarLoop]: Abstraction has 7056 states and 7849 transitions. [2020-10-14 21:47:08,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 7056 states and 7849 transitions. [2020-10-14 21:47:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2020-10-14 21:47:08,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:08,238 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:08,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:47:08,239 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:08,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash -342317808, now seen corresponding path program 1 times [2020-10-14 21:47:08,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:08,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217908922] [2020-10-14 21:47:08,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:08,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:09,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:11,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1428 [2020-10-14 21:47:13,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 21:47:13,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 21:47:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:13,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:13,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:13,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:47:13,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:13,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:47:13,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:47:13,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:47:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:13,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:47:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 21:47:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:13,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:13,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:13,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:13,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:13,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:47:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:13,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:13,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 21:47:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:13,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 21:47:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:47:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:14,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2020-10-14 21:47:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:14,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:47:14,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 21:47:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2020-10-14 21:47:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:14,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2020-10-14 21:47:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1256 [2020-10-14 21:47:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:47:14,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:47:14,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:47:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6301 backedges. 1041 proven. 807 refuted. 0 times theorem prover too weak. 4453 trivial. 0 not checked. [2020-10-14 21:47:15,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217908922] [2020-10-14 21:47:15,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:15,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:15,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235953128] [2020-10-14 21:47:15,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:15,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:15,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:15,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:15,276 INFO L87 Difference]: Start difference. First operand 7056 states and 7849 transitions. Second operand 7 states. [2020-10-14 21:47:16,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:16,534 INFO L93 Difference]: Finished difference Result 14490 states and 16130 transitions. [2020-10-14 21:47:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:16,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1398 [2020-10-14 21:47:16,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:16,555 INFO L225 Difference]: With dead ends: 14490 [2020-10-14 21:47:16,555 INFO L226 Difference]: Without dead ends: 7622 [2020-10-14 21:47:16,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:16,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7622 states. [2020-10-14 21:47:16,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7622 to 7238. [2020-10-14 21:47:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7238 states. [2020-10-14 21:47:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7238 states to 7238 states and 8039 transitions. [2020-10-14 21:47:16,686 INFO L78 Accepts]: Start accepts. Automaton has 7238 states and 8039 transitions. Word has length 1398 [2020-10-14 21:47:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:16,687 INFO L479 AbstractCegarLoop]: Abstraction has 7238 states and 8039 transitions. [2020-10-14 21:47:16,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 7238 states and 8039 transitions. [2020-10-14 21:47:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2020-10-14 21:47:16,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:16,718 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:16,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:47:16,719 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:16,720 INFO L82 PathProgramCache]: Analyzing trace with hash 321387670, now seen corresponding path program 1 times [2020-10-14 21:47:16,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:16,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168809572] [2020-10-14 21:47:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:17,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:19,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:19,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1519 [2020-10-14 21:47:22,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:47:22,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:47:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:47:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:47:22,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:22,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:47:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:22,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:22,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:47:22,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:47:22,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:47:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:47:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:47:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:22,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:47:22,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:47:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:47:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:47:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:47:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:22,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:47:22,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:47:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:22,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:47:22,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 21:47:22,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:22,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:47:22,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-14 21:47:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:47:22,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:47:22,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:47:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2020-10-14 21:47:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7286 backedges. 1832 proven. 89 refuted. 0 times theorem prover too weak. 5365 trivial. 0 not checked. [2020-10-14 21:47:23,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168809572] [2020-10-14 21:47:23,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:23,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:47:23,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881332490] [2020-10-14 21:47:23,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:47:23,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:23,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:47:23,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:47:23,955 INFO L87 Difference]: Start difference. First operand 7238 states and 8039 transitions. Second operand 8 states. [2020-10-14 21:47:25,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:25,762 INFO L93 Difference]: Finished difference Result 15224 states and 16962 transitions. [2020-10-14 21:47:25,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:47:25,763 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1487 [2020-10-14 21:47:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:25,783 INFO L225 Difference]: With dead ends: 15224 [2020-10-14 21:47:25,784 INFO L226 Difference]: Without dead ends: 8174 [2020-10-14 21:47:25,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:47:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8174 states. [2020-10-14 21:47:25,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8174 to 7790. [2020-10-14 21:47:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7790 states. [2020-10-14 21:47:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7790 states to 7790 states and 8573 transitions. [2020-10-14 21:47:25,923 INFO L78 Accepts]: Start accepts. Automaton has 7790 states and 8573 transitions. Word has length 1487 [2020-10-14 21:47:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:25,924 INFO L479 AbstractCegarLoop]: Abstraction has 7790 states and 8573 transitions. [2020-10-14 21:47:25,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:47:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 7790 states and 8573 transitions. [2020-10-14 21:47:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1551 [2020-10-14 21:47:25,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:25,956 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:25,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:47:25,957 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:25,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:25,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1286630139, now seen corresponding path program 1 times [2020-10-14 21:47:25,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:25,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108723947] [2020-10-14 21:47:25,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:27,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:28,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:29,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1582 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5087 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:47:31,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:31,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:31,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:31,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:47:31,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:47:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:47:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:47:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:31,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:47:31,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:47:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:31,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:47:31,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:47:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:31,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:47:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:31,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:31,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:31,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:47:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:31,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:32,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:32,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:47:32,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:32,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:47:32,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:32,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:47:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:32,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:47:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:32,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:32,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:32,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:47:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7422 backedges. 1632 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 21:47:33,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108723947] [2020-10-14 21:47:33,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:33,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:33,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630744100] [2020-10-14 21:47:33,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:33,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:33,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:33,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:33,058 INFO L87 Difference]: Start difference. First operand 7790 states and 8573 transitions. Second operand 7 states. [2020-10-14 21:47:34,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:34,533 INFO L93 Difference]: Finished difference Result 16894 states and 18861 transitions. [2020-10-14 21:47:34,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:34,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1550 [2020-10-14 21:47:34,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:34,535 INFO L225 Difference]: With dead ends: 16894 [2020-10-14 21:47:34,535 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:47:34,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:47:34,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:47:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:47:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:47:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:47:34,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1550 [2020-10-14 21:47:34,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:34,550 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:47:34,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:47:34,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:47:34,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:47:34,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:47:35,833 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 131 [2020-10-14 21:47:36,241 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 131 [2020-10-14 21:47:37,377 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 259 DAG size of output: 59 [2020-10-14 21:47:37,805 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 46 [2020-10-14 21:47:38,195 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 46 [2020-10-14 21:47:38,200 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:38,200 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:47:38,201 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:38,201 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:47:38,201 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:47:38,201 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,202 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,202 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,202 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:47:38,202 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:47:38,202 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:47:38,202 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:47:38,203 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:47:38,204 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,205 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,206 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,207 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:47:38,208 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:47:38,209 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:47:38,210 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:47:38,211 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a12~0 |old(~a12~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|))) (let ((.cse1 (not (<= 8 |old(~a15~0)|))) (.cse0 (and .cse2 .cse3 .cse4 .cse7)) (.cse5 (not (= |old(~a24~0)| 1))) (.cse6 (= ~a24~0 1))) (and (or .cse0 .cse1 (not (<= |old(~a12~0)| 75))) (or .cse0 .cse1 (not (<= 80 |old(~a12~0)|))) (or (and (= 7 ~a15~0) .cse2 .cse3 .cse4) (not (= 7 |old(~a15~0)|))) (or .cse5 (and .cse3 .cse6 .cse4 .cse7) (not (<= |old(~a12~0)| 10))) (or (= 10 |old(~a21~0)|) .cse0) (or (not (= 8 |old(~a15~0)|)) (and .cse2 .cse3 (= ~a15~0 8) .cse4) (not (<= |old(~a12~0)| 76))) (or .cse5 (and (= 5 ~a15~0) .cse3 .cse6 .cse4) (not (= 5 |old(~a15~0)|)))))) [2020-10-14 21:47:38,211 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:47:38,211 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:47:38,211 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,211 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,211 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:47:38,212 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,213 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:47:38,214 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:47:38,215 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:47:38,216 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:47:38,217 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:47:38,218 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:47:38,219 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:47:38,220 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:47:38,221 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,222 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1)) [2020-10-14 21:47:38,223 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:47:38,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:38,223 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-14 21:47:38,224 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:38,224 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= 8 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (= 7 ~a15~0) (not (= ~a21~0 10)) (and .cse0 (<= 80 ~a12~0)) (and (= ~a15~0 8) (<= ~a12~0 76)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= ~a12~0 75)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) .cse1) (and (<= ~a12~0 10) .cse1))) [2020-10-14 21:47:38,224 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:47:38,224 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:47:38,224 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= 8 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (= 7 ~a15~0) (not (= ~a21~0 10)) (and .cse0 (<= 80 ~a12~0)) (and (= ~a15~0 8) (<= ~a12~0 76)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= ~a12~0 75)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) .cse1) (and (<= ~a12~0 10) .cse1))) [2020-10-14 21:47:38,224 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:38,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:47:38 BoogieIcfgContainer [2020-10-14 21:47:38,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:47:38,249 INFO L168 Benchmark]: Toolchain (without parser) took 147745.03 ms. Allocated memory was 145.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.3 MB in the beginning and 767.7 MB in the end (delta: -667.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-14 21:47:38,254 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 21:47:38,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.65 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 99.9 MB in the beginning and 167.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:38,255 INFO L168 Benchmark]: Boogie Preprocessor took 151.19 ms. Allocated memory is still 205.0 MB. Free memory was 167.1 MB in the beginning and 161.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:38,256 INFO L168 Benchmark]: RCFGBuilder took 1506.69 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 161.9 MB in the beginning and 156.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:38,258 INFO L168 Benchmark]: TraceAbstraction took 145146.11 ms. Allocated memory was 237.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 156.7 MB in the beginning and 767.7 MB in the end (delta: -611.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-14 21:47:38,266 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 933.65 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 99.9 MB in the beginning and 167.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.19 ms. Allocated memory is still 205.0 MB. Free memory was 167.1 MB in the beginning and 161.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1506.69 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 161.9 MB in the beginning and 156.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 145146.11 ms. Allocated memory was 237.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 156.7 MB in the beginning and 767.7 MB in the end (delta: -611.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((7 == a15 || !(a21 == 10)) || (8 <= a15 && 80 <= a12)) || (a15 == 8 && a12 <= 76)) || !(\old(a24) == 1)) || !(8 == \old(a15))) || (8 <= a15 && a12 <= 75)) || !(7 <= \old(a21))) || !(\old(a21) <= 7)) || !(\old(a12) + 49 <= 0)) || (5 == a15 && a24 == 1)) || (a12 <= 10 && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 141.3s, OverallIterations: 18, TraceHistogramMax: 13, AutomataDifference: 32.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 514 SDtfs, 12705 SDslu, 821 SDs, 0 SdLazy, 21393 SolverSat, 1867 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 332 SyntacticMatches, 3 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7790occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 3008 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 446 PreInvPairs, 568 NumberOfFragments, 365 HoareAnnotationTreeSize, 446 FomulaSimplifications, 3892877 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11040 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 95.8s InterpolantComputationTime, 14165 NumberOfCodeBlocks, 14165 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 14147 ConstructedInterpolants, 0 QuantifiedInterpolants, 27515642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 42164/45790 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 correct! Received shutdown request...