/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:52:12,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:52:12,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:52:12,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:52:12,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:52:12,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:52:12,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:52:12,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:52:12,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:52:12,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:52:12,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:52:12,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:52:12,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:52:12,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:52:12,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:52:12,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:52:12,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:52:12,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:52:12,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:52:12,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:52:12,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:52:12,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:52:12,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:52:12,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:52:12,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:52:12,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:52:12,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:52:12,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:52:12,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:52:12,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:52:12,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:52:12,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:52:12,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:52:12,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:52:12,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:52:12,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:52:12,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:52:12,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:52:12,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:52:12,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:52:12,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:52:12,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:52:12,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:52:12,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:52:12,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:52:12,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:52:12,327 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:52:12,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:52:12,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:52:12,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:52:12,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:52:12,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:52:12,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:52:12,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:52:12,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:52:12,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:52:12,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:52:12,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:52:12,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:52:12,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:52:12,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:52:12,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:52:12,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:52:12,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:12,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:52:12,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:52:12,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:52:12,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:52:12,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:52:12,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:52:12,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:52:12,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:52:12,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:52:12,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:52:12,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:52:12,714 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:52:12,714 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:52:12,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-10-14 20:52:12,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc214b891/ee7862a187a8414bbda389fbeee1406b/FLAG568f5994d [2020-10-14 20:52:13,356 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:52:13,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-10-14 20:52:13,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc214b891/ee7862a187a8414bbda389fbeee1406b/FLAG568f5994d [2020-10-14 20:52:13,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc214b891/ee7862a187a8414bbda389fbeee1406b [2020-10-14 20:52:13,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:52:13,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:52:13,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:13,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:52:13,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:52:13,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:13" (1/1) ... [2020-10-14 20:52:13,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:13, skipping insertion in model container [2020-10-14 20:52:13,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:13" (1/1) ... [2020-10-14 20:52:13,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:52:13,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:52:14,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:14,304 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:52:14,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:14,435 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:52:14,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14 WrapperNode [2020-10-14 20:52:14,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:14,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:52:14,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:52:14,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:52:14,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... [2020-10-14 20:52:14,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:52:14,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:52:14,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:52:14,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:52:14,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:52:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:52:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:52:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:52:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:52:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:52:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:52:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:52:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:52:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:52:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:52:16,076 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:52:16,077 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:52:16,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:16 BoogieIcfgContainer [2020-10-14 20:52:16,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:52:16,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:52:16,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:52:16,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:52:16,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:52:13" (1/3) ... [2020-10-14 20:52:16,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1649d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:16, skipping insertion in model container [2020-10-14 20:52:16,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:14" (2/3) ... [2020-10-14 20:52:16,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1649d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:16, skipping insertion in model container [2020-10-14 20:52:16,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:16" (3/3) ... [2020-10-14 20:52:16,100 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-10-14 20:52:16,112 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:52:16,125 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:52:16,140 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:52:16,177 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:52:16,179 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:52:16,179 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:52:16,179 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:52:16,179 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:52:16,179 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:52:16,179 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:52:16,180 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:52:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:52:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 20:52:16,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:16,214 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] [2020-10-14 20:52:16,214 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:16,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:16,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1025349313, now seen corresponding path program 1 times [2020-10-14 20:52:16,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:16,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191267367] [2020-10-14 20:52:16,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 20:52:16,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:16,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-14 20:52:16,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:16,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:16,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 20:52:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:16,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:16,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 20:52:16,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:16,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191267367] [2020-10-14 20:52:16,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:16,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 20:52:16,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577200616] [2020-10-14 20:52:16,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:16,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:16,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:16,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:16,987 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-14 20:52:18,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:18,457 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 20:52:18,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:18,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 20:52:18,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:18,476 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:52:18,476 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:52:18,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:52:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 20:52:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 20:52:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 20:52:18,560 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 36 [2020-10-14 20:52:18,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:18,561 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 20:52:18,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 20:52:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 20:52:18,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:18,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:18,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:52:18,567 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1698660450, now seen corresponding path program 1 times [2020-10-14 20:52:18,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:18,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768233849] [2020-10-14 20:52:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:19,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:19,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:19,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-14 20:52:19,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:19,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:52:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:19,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:19,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:19,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:19,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:19,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:19,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:52:19,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:19,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:19,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:19,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:19,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:19,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:19,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:19,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:19,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 20:52:19,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:19,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:52:19,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768233849] [2020-10-14 20:52:19,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:19,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:52:19,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084438970] [2020-10-14 20:52:19,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:52:19,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:19,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:52:19,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:19,663 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-14 20:52:21,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:21,442 INFO L93 Difference]: Finished difference Result 884 states and 1201 transitions. [2020-10-14 20:52:21,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:52:21,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-10-14 20:52:21,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:21,452 INFO L225 Difference]: With dead ends: 884 [2020-10-14 20:52:21,452 INFO L226 Difference]: Without dead ends: 882 [2020-10-14 20:52:21,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:21,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-14 20:52:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 590. [2020-10-14 20:52:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 20:52:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 850 transitions. [2020-10-14 20:52:21,499 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 850 transitions. Word has length 106 [2020-10-14 20:52:21,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:21,500 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 850 transitions. [2020-10-14 20:52:21,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:52:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 850 transitions. [2020-10-14 20:52:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 20:52:21,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:21,515 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:21,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:52:21,516 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:21,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1497549686, now seen corresponding path program 1 times [2020-10-14 20:52:21,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:21,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658841446] [2020-10-14 20:52:21,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:21,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:22,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 20:52:22,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1278 [2020-10-14 20:52:22,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:22,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:52:22,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:22,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:22,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:22,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:22,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:22,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:23,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 20:52:23,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:23,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-14 20:52:23,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:23,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:23,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658841446] [2020-10-14 20:52:23,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:23,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:23,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530475117] [2020-10-14 20:52:23,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:23,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:23,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:23,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:23,531 INFO L87 Difference]: Start difference. First operand 590 states and 850 transitions. Second operand 7 states. [2020-10-14 20:52:25,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:25,000 INFO L93 Difference]: Finished difference Result 1492 states and 2230 transitions. [2020-10-14 20:52:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:25,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-14 20:52:25,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:25,012 INFO L225 Difference]: With dead ends: 1492 [2020-10-14 20:52:25,012 INFO L226 Difference]: Without dead ends: 908 [2020-10-14 20:52:25,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:25,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-14 20:52:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 747. [2020-10-14 20:52:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-14 20:52:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1060 transitions. [2020-10-14 20:52:25,071 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1060 transitions. Word has length 225 [2020-10-14 20:52:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:25,072 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 1060 transitions. [2020-10-14 20:52:25,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1060 transitions. [2020-10-14 20:52:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-14 20:52:25,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:25,079 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:25,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:52:25,080 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:25,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1099106, now seen corresponding path program 1 times [2020-10-14 20:52:25,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:25,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332998064] [2020-10-14 20:52:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:25,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:25,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:25,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 20:52:27,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2407 [2020-10-14 20:52:27,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:52:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-14 20:52:27,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:27,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:52:27,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:27,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:27,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:27,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 20:52:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:27,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:27,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:28,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:28,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:28,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:28,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 20:52:28,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:28,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 122 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 20:52:28,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332998064] [2020-10-14 20:52:28,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:28,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:28,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794943217] [2020-10-14 20:52:28,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:28,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:28,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:28,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:28,209 INFO L87 Difference]: Start difference. First operand 747 states and 1060 transitions. Second operand 8 states. [2020-10-14 20:52:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:29,737 INFO L93 Difference]: Finished difference Result 1818 states and 2647 transitions. [2020-10-14 20:52:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:29,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 231 [2020-10-14 20:52:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:29,747 INFO L225 Difference]: With dead ends: 1818 [2020-10-14 20:52:29,747 INFO L226 Difference]: Without dead ends: 1077 [2020-10-14 20:52:29,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:29,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-14 20:52:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1049. [2020-10-14 20:52:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-10-14 20:52:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1343 transitions. [2020-10-14 20:52:29,804 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1343 transitions. Word has length 231 [2020-10-14 20:52:29,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:29,805 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1343 transitions. [2020-10-14 20:52:29,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1343 transitions. [2020-10-14 20:52:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 20:52:29,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:29,812 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:29,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:52:29,813 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:29,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:29,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1850787275, now seen corresponding path program 1 times [2020-10-14 20:52:29,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:29,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629143531] [2020-10-14 20:52:29,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:29,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:32,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 20:52:34,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4581 [2020-10-14 20:52:34,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:52:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:52:34,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:34,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:52:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:34,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:52:34,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:34,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:52:34,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:52:34,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:52:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:34,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:34,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:34,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-14 20:52:34,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:34,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:35,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629143531] [2020-10-14 20:52:35,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:35,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:35,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127562243] [2020-10-14 20:52:35,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:35,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:35,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:35,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:35,157 INFO L87 Difference]: Start difference. First operand 1049 states and 1343 transitions. Second operand 7 states. [2020-10-14 20:52:37,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:37,184 INFO L93 Difference]: Finished difference Result 2267 states and 2952 transitions. [2020-10-14 20:52:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:37,185 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-14 20:52:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:37,196 INFO L225 Difference]: With dead ends: 2267 [2020-10-14 20:52:37,196 INFO L226 Difference]: Without dead ends: 1224 [2020-10-14 20:52:37,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:37,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-10-14 20:52:37,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1055. [2020-10-14 20:52:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-10-14 20:52:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1331 transitions. [2020-10-14 20:52:37,282 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1331 transitions. Word has length 232 [2020-10-14 20:52:37,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:37,284 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1331 transitions. [2020-10-14 20:52:37,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1331 transitions. [2020-10-14 20:52:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-14 20:52:37,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:37,296 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:52:37,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:52:37,297 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:37,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:37,298 INFO L82 PathProgramCache]: Analyzing trace with hash -206288065, now seen corresponding path program 1 times [2020-10-14 20:52:37,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:37,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630819358] [2020-10-14 20:52:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:37,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:37,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:39,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 20:52:40,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:40,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2693 [2020-10-14 20:52:40,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:40,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:40,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:52:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:40,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:40,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:40,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 20:52:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:52:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:40,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 20:52:40,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:40,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:52:40,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:40,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 58 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:52:40,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630819358] [2020-10-14 20:52:40,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:40,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:40,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034885034] [2020-10-14 20:52:40,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:40,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:40,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:40,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:40,641 INFO L87 Difference]: Start difference. First operand 1055 states and 1331 transitions. Second operand 7 states. [2020-10-14 20:52:41,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:41,874 INFO L93 Difference]: Finished difference Result 2273 states and 2863 transitions. [2020-10-14 20:52:41,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:41,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 242 [2020-10-14 20:52:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:41,883 INFO L225 Difference]: With dead ends: 2273 [2020-10-14 20:52:41,884 INFO L226 Difference]: Without dead ends: 1224 [2020-10-14 20:52:41,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:41,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-10-14 20:52:41,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1200. [2020-10-14 20:52:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-14 20:52:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1489 transitions. [2020-10-14 20:52:41,927 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1489 transitions. Word has length 242 [2020-10-14 20:52:41,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:41,927 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1489 transitions. [2020-10-14 20:52:41,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1489 transitions. [2020-10-14 20:52:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-14 20:52:41,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:41,935 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:41,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:41,936 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:41,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:41,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1714141953, now seen corresponding path program 1 times [2020-10-14 20:52:41,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:41,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518363989] [2020-10-14 20:52:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:43,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:44,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 317 [2020-10-14 20:52:44,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2792 [2020-10-14 20:52:44,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:44,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 20:52:44,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:52:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:44,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:44,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:44,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:44,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:44,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:44,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:44,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:44,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:44,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:44,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:44,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:44,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:44,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:44,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:44,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 20:52:44,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:44,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:44,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:44,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:45,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:52:45,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:45,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 20:52:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-14 20:52:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 221 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-14 20:52:45,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518363989] [2020-10-14 20:52:45,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:45,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:45,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965597704] [2020-10-14 20:52:45,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:45,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:45,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:45,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:45,815 INFO L87 Difference]: Start difference. First operand 1200 states and 1489 transitions. Second operand 8 states. [2020-10-14 20:52:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:47,962 INFO L93 Difference]: Finished difference Result 2430 states and 3070 transitions. [2020-10-14 20:52:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:52:47,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 303 [2020-10-14 20:52:47,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:47,975 INFO L225 Difference]: With dead ends: 2430 [2020-10-14 20:52:47,976 INFO L226 Difference]: Without dead ends: 1379 [2020-10-14 20:52:47,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:52:47,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2020-10-14 20:52:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1361. [2020-10-14 20:52:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2020-10-14 20:52:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1616 transitions. [2020-10-14 20:52:48,016 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1616 transitions. Word has length 303 [2020-10-14 20:52:48,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:48,017 INFO L479 AbstractCegarLoop]: Abstraction has 1361 states and 1616 transitions. [2020-10-14 20:52:48,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1616 transitions. [2020-10-14 20:52:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-14 20:52:48,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:48,042 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:48,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:48,043 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:48,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:48,043 INFO L82 PathProgramCache]: Analyzing trace with hash 623273828, now seen corresponding path program 1 times [2020-10-14 20:52:48,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:48,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392514889] [2020-10-14 20:52:48,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:51,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-14 20:52:51,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:52:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3619 [2020-10-14 20:52:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:51,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 20:52:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:51,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:51,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:51,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:51,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:51,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:51,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:51,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:51,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:51,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 20:52:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:51,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:51,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:51,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:52,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:52,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 20:52:52,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:52,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:52,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 20:52:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:52,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:52,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:52,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:52,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 20:52:52,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:52,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:52,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:52,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 232 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:52:52,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392514889] [2020-10-14 20:52:52,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:52,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:52,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593013781] [2020-10-14 20:52:52,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:52,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:52,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:52,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:52,475 INFO L87 Difference]: Start difference. First operand 1361 states and 1616 transitions. Second operand 8 states. [2020-10-14 20:52:54,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:54,200 INFO L93 Difference]: Finished difference Result 3340 states and 4070 transitions. [2020-10-14 20:52:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:52:54,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 312 [2020-10-14 20:52:54,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:54,212 INFO L225 Difference]: With dead ends: 3340 [2020-10-14 20:52:54,213 INFO L226 Difference]: Without dead ends: 2128 [2020-10-14 20:52:54,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:54,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2020-10-14 20:52:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2114. [2020-10-14 20:52:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2020-10-14 20:52:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2484 transitions. [2020-10-14 20:52:54,277 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2484 transitions. Word has length 312 [2020-10-14 20:52:54,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:54,278 INFO L479 AbstractCegarLoop]: Abstraction has 2114 states and 2484 transitions. [2020-10-14 20:52:54,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2484 transitions. [2020-10-14 20:52:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-14 20:52:54,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:54,290 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:54,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:54,290 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:54,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:54,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1842831267, now seen corresponding path program 1 times [2020-10-14 20:52:54,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:54,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792235378] [2020-10-14 20:52:54,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:54,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:54,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-14 20:52:57,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:57,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3363 [2020-10-14 20:52:57,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-14 20:52:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:57,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:57,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:57,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:57,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:57,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 20:52:57,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:57,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:57,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:58,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:58,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 20:52:58,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:58,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:58,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 20:52:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:58,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:58,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:58,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 20:52:58,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:58,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 319 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:52:58,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792235378] [2020-10-14 20:52:58,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:58,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:58,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731714654] [2020-10-14 20:52:58,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:58,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:58,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:58,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:58,541 INFO L87 Difference]: Start difference. First operand 2114 states and 2484 transitions. Second operand 8 states. [2020-10-14 20:53:00,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:00,581 INFO L93 Difference]: Finished difference Result 5523 states and 6547 transitions. [2020-10-14 20:53:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:53:00,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 321 [2020-10-14 20:53:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:00,593 INFO L225 Difference]: With dead ends: 5523 [2020-10-14 20:53:00,593 INFO L226 Difference]: Without dead ends: 2678 [2020-10-14 20:53:00,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:53:00,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2020-10-14 20:53:00,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 1957. [2020-10-14 20:53:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2020-10-14 20:53:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2271 transitions. [2020-10-14 20:53:00,655 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2271 transitions. Word has length 321 [2020-10-14 20:53:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:00,655 INFO L479 AbstractCegarLoop]: Abstraction has 1957 states and 2271 transitions. [2020-10-14 20:53:00,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:53:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2271 transitions. [2020-10-14 20:53:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-14 20:53:00,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:00,662 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:00,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:53:00,662 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:00,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:00,663 INFO L82 PathProgramCache]: Analyzing trace with hash -100141739, now seen corresponding path program 1 times [2020-10-14 20:53:00,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:00,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489279311] [2020-10-14 20:53:00,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:01,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:02,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-14 20:53:02,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:53:02,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1756 [2020-10-14 20:53:02,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:02,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:53:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:53:02,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:02,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 20:53:02,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:02,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:53:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:02,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:02,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:53:02,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:53:02,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:02,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:53:02,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:02,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 20:53:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:02,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:53:02,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:02,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 20:53:02,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:02,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:02,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:53:02,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:02,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 175 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:53:03,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489279311] [2020-10-14 20:53:03,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:03,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:53:03,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128873898] [2020-10-14 20:53:03,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:53:03,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:03,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:53:03,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:53:03,022 INFO L87 Difference]: Start difference. First operand 1957 states and 2271 transitions. Second operand 8 states. [2020-10-14 20:53:04,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:04,603 INFO L93 Difference]: Finished difference Result 4065 states and 4739 transitions. [2020-10-14 20:53:04,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:53:04,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 357 [2020-10-14 20:53:04,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:04,614 INFO L225 Difference]: With dead ends: 4065 [2020-10-14 20:53:04,614 INFO L226 Difference]: Without dead ends: 2257 [2020-10-14 20:53:04,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 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 20:53:04,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2020-10-14 20:53:04,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2251. [2020-10-14 20:53:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2251 states. [2020-10-14 20:53:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 2600 transitions. [2020-10-14 20:53:04,677 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 2600 transitions. Word has length 357 [2020-10-14 20:53:04,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:04,678 INFO L479 AbstractCegarLoop]: Abstraction has 2251 states and 2600 transitions. [2020-10-14 20:53:04,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:53:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2600 transitions. [2020-10-14 20:53:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-14 20:53:04,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:04,686 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:04,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:53:04,687 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:04,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:04,687 INFO L82 PathProgramCache]: Analyzing trace with hash 74637765, now seen corresponding path program 1 times [2020-10-14 20:53:04,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:04,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580731056] [2020-10-14 20:53:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:05,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-14 20:53:05,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:05,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 532 [2020-10-14 20:53:05,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:05,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-14 20:53:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 20:53:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:05,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:05,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:05,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:05,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:05,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:05,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:05,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:05,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:05,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:05,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:05,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:53:05,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:53:05,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:05,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:53:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:05,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:05,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:05,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:53:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 20:53:05,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580731056] [2020-10-14 20:53:05,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:05,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:05,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448741106] [2020-10-14 20:53:05,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:05,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:05,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:05,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:05,619 INFO L87 Difference]: Start difference. First operand 2251 states and 2600 transitions. Second operand 5 states. [2020-10-14 20:53:06,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:06,898 INFO L93 Difference]: Finished difference Result 5074 states and 5970 transitions. [2020-10-14 20:53:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:06,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 361 [2020-10-14 20:53:06,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:06,911 INFO L225 Difference]: With dead ends: 5074 [2020-10-14 20:53:06,911 INFO L226 Difference]: Without dead ends: 2972 [2020-10-14 20:53:06,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 20:53:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2020-10-14 20:53:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2827. [2020-10-14 20:53:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2827 states. [2020-10-14 20:53:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3269 transitions. [2020-10-14 20:53:06,984 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3269 transitions. Word has length 361 [2020-10-14 20:53:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:06,985 INFO L479 AbstractCegarLoop]: Abstraction has 2827 states and 3269 transitions. [2020-10-14 20:53:06,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3269 transitions. [2020-10-14 20:53:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-10-14 20:53:06,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:06,992 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:53:06,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:06,992 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:06,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:06,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1805221026, now seen corresponding path program 1 times [2020-10-14 20:53:06,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:06,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913353087] [2020-10-14 20:53:06,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:07,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:07,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-14 20:53:07,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:07,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 724 [2020-10-14 20:53:07,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:07,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 20:53:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 20:53:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:07,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:07,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:07,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:07,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:07,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:07,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:07,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:07,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:07,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:07,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:07,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:53:07,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:53:07,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:07,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:08,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:53:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:53:08,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 20:53:08,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 20:53:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:08,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:08,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:08,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:53:08,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 20:53:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:08,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 20:53:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 20:53:08,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913353087] [2020-10-14 20:53:08,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:08,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:08,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234243392] [2020-10-14 20:53:08,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:08,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:08,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:08,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:08,294 INFO L87 Difference]: Start difference. First operand 2827 states and 3269 transitions. Second operand 5 states. [2020-10-14 20:53:09,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:09,276 INFO L93 Difference]: Finished difference Result 5650 states and 6578 transitions. [2020-10-14 20:53:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:09,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 376 [2020-10-14 20:53:09,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:09,285 INFO L225 Difference]: With dead ends: 5650 [2020-10-14 20:53:09,285 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:53:09,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 20:53:09,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:53:09,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:53:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:53:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:53:09,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2020-10-14 20:53:09,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:09,296 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:53:09,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:09,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:53:09,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:53:09,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:53:09,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:53:09,877 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 117 [2020-10-14 20:53:10,054 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 117 [2020-10-14 20:53:10,663 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 39 [2020-10-14 20:53:11,029 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2020-10-14 20:53:11,382 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2020-10-14 20:53:11,386 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:11,386 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:53:11,386 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:53:11,387 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:53:11,388 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:53:11,389 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:53:11,390 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:53:11,391 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:53:11,392 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:53:11,393 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,394 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:53:11,395 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,396 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:53:11,397 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,398 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:53:11,399 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,400 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:53:11,401 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= 2 |old(~a10~0)|))) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (or (= 6 |old(~a19~0)|) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= |old(~a10~0)| 3))) (or (not (<= 9 |old(~a19~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= (+ |old(~a1~0)| 333899) 0)) .cse0 .cse2 .cse1))) [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:53:11,402 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:53:11,403 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:53:11,404 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:53:11,405 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,406 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:53:11,407 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:11,408 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (= 23 ~a1~0)) [2020-10-14 20:53:11,408 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:53:11,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:11,409 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= 23 ~a1~0) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|))) [2020-10-14 20:53:11,409 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:11,409 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= 2 ~a10~0))) (or (not (<= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1) (and (not (= ~a19~0 6)) .cse0) (= ~a10~0 0) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 2)))) [2020-10-14 20:53:11,409 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:53:11,409 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:53:11,409 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= 2 ~a10~0))) (or (not (<= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 333899) 0) .cse0 .cse1) (and (not (= ~a19~0 6)) .cse0) (= ~a10~0 0) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 2)))) [2020-10-14 20:53:11,410 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:11,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:53:11 BoogieIcfgContainer [2020-10-14 20:53:11,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:53:11,444 INFO L168 Benchmark]: Toolchain (without parser) took 57786.72 ms. Allocated memory was 145.8 MB in the beginning and 959.4 MB in the end (delta: 813.7 MB). Free memory was 100.6 MB in the beginning and 633.7 MB in the end (delta: -533.1 MB). Peak memory consumption was 835.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:11,447 INFO L168 Benchmark]: CDTParser took 0.19 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: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 20:53:11,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.48 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 169.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:11,449 INFO L168 Benchmark]: Boogie Preprocessor took 149.04 ms. Allocated memory is still 203.9 MB. Free memory was 169.9 MB in the beginning and 164.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:11,450 INFO L168 Benchmark]: RCFGBuilder took 1503.04 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.8 MB in the beginning and 180.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:11,450 INFO L168 Benchmark]: TraceAbstraction took 55346.84 ms. Allocated memory was 237.0 MB in the beginning and 959.4 MB in the end (delta: 722.5 MB). Free memory was 180.7 MB in the beginning and 633.7 MB in the end (delta: -453.0 MB). Peak memory consumption was 824.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:11,454 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.48 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 169.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.04 ms. Allocated memory is still 203.9 MB. Free memory was 169.9 MB in the beginning and 164.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1503.04 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.8 MB in the beginning and 180.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55346.84 ms. Allocated memory was 237.0 MB in the beginning and 959.4 MB in the end (delta: 722.5 MB). Free memory was 180.7 MB in the beginning and 633.7 MB in the end (delta: -453.0 MB). Peak memory consumption was 824.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 94]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(9 <= \old(a19)) || ((a1 + 333899 <= 0 && a19 <= 9) && 2 <= a10)) || (!(a19 == 6) && a19 <= 9)) || a10 == 0) || ((a19 <= 9 && 2 <= a10) && a10 <= 3)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || !(23 == \old(a1))) || (9 <= a19 && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.1s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 5538 SDslu, 409 SDs, 0 SdLazy, 11696 SolverSat, 1858 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2827occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1582 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 128 PreInvPairs, 180 NumberOfFragments, 290 HoareAnnotationTreeSize, 128 FomulaSimplifications, 104989 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7690 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 3102 NumberOfCodeBlocks, 3102 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3090 ConstructedInterpolants, 0 QuantifiedInterpolants, 2676256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 2370/2634 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...