/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:26:33,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:26:33,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:26:33,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:26:33,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:26:33,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:26:33,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:26:33,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:26:33,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:26:33,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:26:33,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:26:33,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:26:33,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:26:33,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:26:33,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:26:33,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:26:33,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:26:33,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:26:33,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:26:33,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:26:33,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:26:33,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:26:33,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:26:33,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:26:33,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:26:33,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:26:33,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:26:33,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:26:33,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:26:33,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:26:33,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:26:33,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:26:33,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:26:33,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:26:33,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:26:33,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:26:33,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:26:33,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:26:33,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:26:33,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:26:33,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:26:33,566 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 [2020-09-21 11:26:33,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:26:33,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:26:33,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:26:33,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:26:33,635 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:26:33,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:26:33,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:26:33,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:26:33,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:26:33,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:26:33,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:26:33,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:26:33,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:26:33,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:26:33,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:26:33,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:26:33,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:26:33,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:26:33,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:26:33,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:26:33,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:26:33,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:26:33,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:26:33,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:26:33,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:26:33,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:26:33,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:26:33,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:26:33,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:26:33,641 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:26:34,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:26:34,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:26:34,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:26:34,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:26:34,165 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:26:34,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-09-21 11:26:34,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd0aab651/e4513e8f71f9467ab52ef9dccd633e06/FLAGa48588e61 [2020-09-21 11:26:34,920 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:26:34,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-09-21 11:26:34,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd0aab651/e4513e8f71f9467ab52ef9dccd633e06/FLAGa48588e61 [2020-09-21 11:26:35,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd0aab651/e4513e8f71f9467ab52ef9dccd633e06 [2020-09-21 11:26:35,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:26:35,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:26:35,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:35,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:26:35,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:26:35,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:35" (1/1) ... [2020-09-21 11:26:35,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5783693b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:35, skipping insertion in model container [2020-09-21 11:26:35,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:35" (1/1) ... [2020-09-21 11:26:35,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:26:35,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:26:35,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:35,810 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:26:36,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:36,106 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:26:36,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36 WrapperNode [2020-09-21 11:26:36,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:36,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:26:36,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:26:36,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:26:36,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (1/1) ... [2020-09-21 11:26:36,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:26:36,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:26:36,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:26:36,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:26:36,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (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 [2020-09-21 11:26:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:26:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:26:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:26:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:26:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:26:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:26:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:26:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:26:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:26:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:26:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:26:37,532 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:26:37,533 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:26:37,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:37 BoogieIcfgContainer [2020-09-21 11:26:37,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:26:37,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:26:37,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:26:37,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:26:37,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:26:35" (1/3) ... [2020-09-21 11:26:37,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:37, skipping insertion in model container [2020-09-21 11:26:37,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:36" (2/3) ... [2020-09-21 11:26:37,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:37, skipping insertion in model container [2020-09-21 11:26:37,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:37" (3/3) ... [2020-09-21 11:26:37,553 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-09-21 11:26:37,566 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:26:37,578 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:26:37,603 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:26:37,639 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:26:37,639 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:26:37,639 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:26:37,640 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:26:37,640 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:26:37,640 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:26:37,640 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:26:37,640 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:26:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:26:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-09-21 11:26:37,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:37,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:37,689 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:37,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-09-21 11:26:37,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:37,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144015937] [2020-09-21 11:26:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:26:38,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-21 11:26:38,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 11:26:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:38,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:38,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144015937] [2020-09-21 11:26:38,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:38,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:26:38,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570192203] [2020-09-21 11:26:38,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:38,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:38,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:38,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:38,534 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:26:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:41,153 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-09-21 11:26:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:26:41,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-09-21 11:26:41,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:41,181 INFO L225 Difference]: With dead ends: 813 [2020-09-21 11:26:41,182 INFO L226 Difference]: Without dead ends: 488 [2020-09-21 11:26:41,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:41,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-21 11:26:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-09-21 11:26:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-09-21 11:26:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-09-21 11:26:41,305 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 118 [2020-09-21 11:26:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:41,306 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-09-21 11:26:41,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-09-21 11:26:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-21 11:26:41,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:41,317 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:41,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:26:41,317 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:41,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:41,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2043531383, now seen corresponding path program 1 times [2020-09-21 11:26:41,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:41,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627795829] [2020-09-21 11:26:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:41,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:26:41,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:41,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:26:41,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:41,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:26:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:26:41,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:41,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:41,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:41,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:41,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:41,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:41,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:41,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:41,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:41,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:41,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:41,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:41,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:41,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:41,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:41,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:41,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:41,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:41,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:41,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:26:41,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:41,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627795829] [2020-09-21 11:26:41,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:41,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:41,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795879352] [2020-09-21 11:26:41,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:41,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:41,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:41,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:41,755 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-09-21 11:26:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:43,297 INFO L93 Difference]: Finished difference Result 1421 states and 2094 transitions. [2020-09-21 11:26:43,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:43,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-09-21 11:26:43,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:43,306 INFO L225 Difference]: With dead ends: 1421 [2020-09-21 11:26:43,306 INFO L226 Difference]: Without dead ends: 946 [2020-09-21 11:26:43,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:43,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-09-21 11:26:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 926. [2020-09-21 11:26:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 11:26:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1287 transitions. [2020-09-21 11:26:43,386 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1287 transitions. Word has length 126 [2020-09-21 11:26:43,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:43,387 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1287 transitions. [2020-09-21 11:26:43,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1287 transitions. [2020-09-21 11:26:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:26:43,395 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:43,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:43,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:26:43,396 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:43,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1828991939, now seen corresponding path program 1 times [2020-09-21 11:26:43,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:43,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722845265] [2020-09-21 11:26:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:43,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:26:43,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -19 [2020-09-21 11:26:43,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 19 [2020-09-21 11:26:43,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:43,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:26:43,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:26:43,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:26:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:26:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:43,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:43,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:43,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:43,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:43,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:43,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:43,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:43,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:43,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:43,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:43,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:43,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:43,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:43,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:26:43,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:43,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:43,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:43,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:43,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722845265] [2020-09-21 11:26:43,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:43,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:26:43,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359202752] [2020-09-21 11:26:43,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:26:43,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:43,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:26:43,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:43,905 INFO L87 Difference]: Start difference. First operand 926 states and 1287 transitions. Second operand 6 states. [2020-09-21 11:26:45,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:45,607 INFO L93 Difference]: Finished difference Result 2023 states and 2936 transitions. [2020-09-21 11:26:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:26:45,608 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-09-21 11:26:45,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:45,615 INFO L225 Difference]: With dead ends: 2023 [2020-09-21 11:26:45,615 INFO L226 Difference]: Without dead ends: 937 [2020-09-21 11:26:45,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:45,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-21 11:26:45,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2020-09-21 11:26:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 11:26:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1272 transitions. [2020-09-21 11:26:45,657 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1272 transitions. Word has length 132 [2020-09-21 11:26:45,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:45,657 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1272 transitions. [2020-09-21 11:26:45,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:26:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1272 transitions. [2020-09-21 11:26:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-21 11:26:45,661 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:45,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:45,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:26:45,662 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:45,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:45,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1497967162, now seen corresponding path program 1 times [2020-09-21 11:26:45,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:45,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117691372] [2020-09-21 11:26:45,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:45,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:45,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:45,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:45,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:45,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:26:45,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:45,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:26:45,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 11:26:45,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:45,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:45,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:45,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:45,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:45,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:45,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:45,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:45,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:26:45,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:45,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:45,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:45,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:45,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:45,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:45,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:45,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:26:45,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:26:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:45,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117691372] [2020-09-21 11:26:45,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:45,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:26:45,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614960240] [2020-09-21 11:26:45,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:45,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:45,937 INFO L87 Difference]: Start difference. First operand 926 states and 1272 transitions. Second operand 8 states. [2020-09-21 11:26:48,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:48,267 INFO L93 Difference]: Finished difference Result 3376 states and 4823 transitions. [2020-09-21 11:26:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:26:48,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-09-21 11:26:48,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:48,282 INFO L225 Difference]: With dead ends: 3376 [2020-09-21 11:26:48,282 INFO L226 Difference]: Without dead ends: 2456 [2020-09-21 11:26:48,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:26:48,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-09-21 11:26:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2429. [2020-09-21 11:26:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2429 states. [2020-09-21 11:26:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 3173 transitions. [2020-09-21 11:26:48,365 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 3173 transitions. Word has length 140 [2020-09-21 11:26:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:48,365 INFO L479 AbstractCegarLoop]: Abstraction has 2429 states and 3173 transitions. [2020-09-21 11:26:48,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3173 transitions. [2020-09-21 11:26:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-21 11:26:48,372 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:48,373 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:48,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:26:48,373 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:48,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:48,374 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-09-21 11:26:48,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:48,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935826751] [2020-09-21 11:26:48,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:26:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:26:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:26:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:26:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:26:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:26:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:48,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:48,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:48,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:48,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:48,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:48,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:48,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:48,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:48,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:48,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:26:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:26:48,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935826751] [2020-09-21 11:26:48,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:48,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:48,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553759517] [2020-09-21 11:26:48,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:48,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:48,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:48,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:48,720 INFO L87 Difference]: Start difference. First operand 2429 states and 3173 transitions. Second operand 5 states. [2020-09-21 11:26:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:50,074 INFO L93 Difference]: Finished difference Result 5736 states and 7565 transitions. [2020-09-21 11:26:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:50,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-09-21 11:26:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:50,087 INFO L225 Difference]: With dead ends: 5736 [2020-09-21 11:26:50,088 INFO L226 Difference]: Without dead ends: 2124 [2020-09-21 11:26:50,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2020-09-21 11:26:50,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2116. [2020-09-21 11:26:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2116 states. [2020-09-21 11:26:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2593 transitions. [2020-09-21 11:26:50,171 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2593 transitions. Word has length 153 [2020-09-21 11:26:50,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:50,173 INFO L479 AbstractCegarLoop]: Abstraction has 2116 states and 2593 transitions. [2020-09-21 11:26:50,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2593 transitions. [2020-09-21 11:26:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-09-21 11:26:50,181 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:50,181 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:50,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:26:50,181 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1228864412, now seen corresponding path program 1 times [2020-09-21 11:26:50,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:50,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660757139] [2020-09-21 11:26:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:50,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:26:50,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:26:50,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-09-21 11:26:50,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:26:50,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:50,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:26:50,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:50,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:50,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:26:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:26:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:26:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:50,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:26:50,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:50,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:50,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:50,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 11:26:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:50,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:50,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:50,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:50,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:50,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 46 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:26:50,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660757139] [2020-09-21 11:26:50,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:50,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:26:50,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514671211] [2020-09-21 11:26:50,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:50,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:50,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:50,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:50,574 INFO L87 Difference]: Start difference. First operand 2116 states and 2593 transitions. Second operand 8 states. [2020-09-21 11:26:52,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:52,901 INFO L93 Difference]: Finished difference Result 5000 states and 6275 transitions. [2020-09-21 11:26:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:26:52,902 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2020-09-21 11:26:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:52,915 INFO L225 Difference]: With dead ends: 5000 [2020-09-21 11:26:52,915 INFO L226 Difference]: Without dead ends: 2890 [2020-09-21 11:26:52,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:26:52,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states. [2020-09-21 11:26:52,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 2877. [2020-09-21 11:26:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2877 states. [2020-09-21 11:26:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 3425 transitions. [2020-09-21 11:26:53,005 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 3425 transitions. Word has length 164 [2020-09-21 11:26:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:53,006 INFO L479 AbstractCegarLoop]: Abstraction has 2877 states and 3425 transitions. [2020-09-21 11:26:53,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 3425 transitions. [2020-09-21 11:26:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-21 11:26:53,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:53,016 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:53,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:26:53,016 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:53,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:53,017 INFO L82 PathProgramCache]: Analyzing trace with hash -957584390, now seen corresponding path program 1 times [2020-09-21 11:26:53,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:53,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538058170] [2020-09-21 11:26:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:53,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:53,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:53,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:53,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:53,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-21 11:26:53,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:26:53,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:26:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:53,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:53,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:53,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:53,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:53,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:53,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:53,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:53,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:53,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:53,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:53,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:53,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:53,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:53,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:53,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:53,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:53,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:53,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:53,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:26:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:53,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:53,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:53,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:53,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:53,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:53,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:53,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:26:53,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:53,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:26:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:53,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:53,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:53,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:53,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-21 11:26:53,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538058170] [2020-09-21 11:26:53,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:53,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:53,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832823493] [2020-09-21 11:26:53,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:53,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:53,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:53,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:53,293 INFO L87 Difference]: Start difference. First operand 2877 states and 3425 transitions. Second operand 7 states. [2020-09-21 11:26:55,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:55,581 INFO L93 Difference]: Finished difference Result 9062 states and 11474 transitions. [2020-09-21 11:26:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:55,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-09-21 11:26:55,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:55,616 INFO L225 Difference]: With dead ends: 9062 [2020-09-21 11:26:55,616 INFO L226 Difference]: Without dead ends: 5615 [2020-09-21 11:26:55,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:55,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5615 states. [2020-09-21 11:26:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5615 to 5001. [2020-09-21 11:26:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5001 states. [2020-09-21 11:26:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 6125 transitions. [2020-09-21 11:26:55,803 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 6125 transitions. Word has length 176 [2020-09-21 11:26:55,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:55,803 INFO L479 AbstractCegarLoop]: Abstraction has 5001 states and 6125 transitions. [2020-09-21 11:26:55,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 6125 transitions. [2020-09-21 11:26:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-21 11:26:55,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:55,823 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:55,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:26:55,823 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:55,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:55,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1405898370, now seen corresponding path program 1 times [2020-09-21 11:26:55,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:55,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915609173] [2020-09-21 11:26:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:55,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:55,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -25 [2020-09-21 11:26:55,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 25 [2020-09-21 11:26:55,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:55,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:26:55,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:55,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:26:55,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:55,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:26:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:26:55,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:55,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:55,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:55,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:55,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:55,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:55,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:55,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:55,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:55,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:55,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:55,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:55,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:55,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:55,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:55,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:55,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:55,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:55,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:26:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:56,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:56,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:56,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:56,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:56,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:56,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:26:56,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:26:56,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:26:56,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:56,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:26:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:56,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:56,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:56,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:56,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:56,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:56,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:56,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-21 11:26:56,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915609173] [2020-09-21 11:26:56,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:56,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:56,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707954883] [2020-09-21 11:26:56,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:56,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:56,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:56,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:56,118 INFO L87 Difference]: Start difference. First operand 5001 states and 6125 transitions. Second operand 7 states. [2020-09-21 11:26:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:57,784 INFO L93 Difference]: Finished difference Result 11185 states and 13790 transitions. [2020-09-21 11:26:57,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:26:57,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-09-21 11:26:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:57,817 INFO L225 Difference]: With dead ends: 11185 [2020-09-21 11:26:57,817 INFO L226 Difference]: Without dead ends: 6194 [2020-09-21 11:26:57,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:57,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6194 states. [2020-09-21 11:26:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6194 to 6185. [2020-09-21 11:26:57,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6185 states. [2020-09-21 11:26:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6185 states to 6185 states and 7481 transitions. [2020-09-21 11:26:58,005 INFO L78 Accepts]: Start accepts. Automaton has 6185 states and 7481 transitions. Word has length 179 [2020-09-21 11:26:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:58,005 INFO L479 AbstractCegarLoop]: Abstraction has 6185 states and 7481 transitions. [2020-09-21 11:26:58,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 7481 transitions. [2020-09-21 11:26:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-21 11:26:58,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:58,032 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:58,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:26:58,032 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:58,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1825766027, now seen corresponding path program 1 times [2020-09-21 11:26:58,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:58,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236478166] [2020-09-21 11:26:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-21 11:26:58,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:26:58,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:26:58,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:58,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:26:58,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:26:58,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:58,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:58,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:26:58,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:58,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:26:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:58,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:26:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:58,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:58,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:26:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:26:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:58,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:58,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:58,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:58,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:58,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:58,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:58,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:26:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:26:58,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236478166] [2020-09-21 11:26:58,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:58,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:58,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627004944] [2020-09-21 11:26:58,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:58,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:58,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:58,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:58,467 INFO L87 Difference]: Start difference. First operand 6185 states and 7481 transitions. Second operand 7 states. [2020-09-21 11:26:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:59,309 INFO L93 Difference]: Finished difference Result 11145 states and 13444 transitions. [2020-09-21 11:26:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:26:59,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-09-21 11:26:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:59,342 INFO L225 Difference]: With dead ends: 11145 [2020-09-21 11:26:59,342 INFO L226 Difference]: Without dead ends: 4954 [2020-09-21 11:26:59,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:26:59,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4954 states. [2020-09-21 11:26:59,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4954 to 4510. [2020-09-21 11:26:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4510 states. [2020-09-21 11:26:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 5334 transitions. [2020-09-21 11:26:59,475 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 5334 transitions. Word has length 189 [2020-09-21 11:26:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:59,476 INFO L479 AbstractCegarLoop]: Abstraction has 4510 states and 5334 transitions. [2020-09-21 11:26:59,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 5334 transitions. [2020-09-21 11:26:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-21 11:26:59,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:59,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:59,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:26:59,491 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:59,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:59,492 INFO L82 PathProgramCache]: Analyzing trace with hash -391782046, now seen corresponding path program 1 times [2020-09-21 11:26:59,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:59,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585371361] [2020-09-21 11:26:59,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:59,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:59,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:59,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:59,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:59,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-21 11:26:59,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:59,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-21 11:26:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:26:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:59,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:59,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:59,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:59,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:59,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:59,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:59,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:59,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:59,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:59,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:59,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:59,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:59,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:59,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:59,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:26:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:59,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:59,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:59,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:59,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:59,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:26:59,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:59,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:26:59,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 11:26:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:26:59,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585371361] [2020-09-21 11:26:59,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:59,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:59,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938479606] [2020-09-21 11:26:59,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:59,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:59,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:59,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:59,840 INFO L87 Difference]: Start difference. First operand 4510 states and 5334 transitions. Second operand 5 states. [2020-09-21 11:27:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:01,016 INFO L93 Difference]: Finished difference Result 9000 states and 10659 transitions. [2020-09-21 11:27:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:01,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-09-21 11:27:01,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:01,018 INFO L225 Difference]: With dead ends: 9000 [2020-09-21 11:27:01,019 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:27:01,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:01,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:27:01,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:27:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:27:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:27:01,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-09-21 11:27:01,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:01,050 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:27:01,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:27:01,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:27:01,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:27:01,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:27:01,283 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-09-21 11:27:03,192 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 118 [2020-09-21 11:27:03,626 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 118 [2020-09-21 11:27:04,901 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 75 [2020-09-21 11:27:05,323 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2020-09-21 11:27:05,633 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2020-09-21 11:27:05,638 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:05,638 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 11:27:05,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:05,639 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,639 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,639 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,639 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,639 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:27:05,640 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:27:05,641 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:27:05,642 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:27:05,643 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,644 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:27:05,645 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:27:05,646 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:27:05,647 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:27:05,648 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,649 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:27:05,650 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:27:05,651 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:27:05,652 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:27:05,653 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,654 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:27:05,655 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,656 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:27:05,657 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,658 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,659 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,659 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (= 11 |old(~a28~0)|)) (.cse8 (not (<= 10 |old(~a28~0)|))) (.cse10 (and .cse0 .cse1 .cse11 (= ~a25~0 1) .cse3)) (.cse9 (not (= |old(~a25~0)| 1))) (.cse12 (= |old(~a19~0)| 1)) (.cse13 (not (<= |old(~a28~0)| 7))) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse7 (= |old(~a11~0)| 1)) (.cse4 (and .cse0 .cse1 .cse2 .cse11 .cse3))) (and (or (not (= 7 |old(~a17~0)|)) (and .cse0 (= 7 ~a17~0) .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse5 .cse6 .cse8) (or (and .cse1 .cse2 .cse11 (= ~a28~0 8) .cse3) .cse12 .cse6 .cse7 (not (= 8 |old(~a28~0)|))) (or .cse12 (and .cse1 .cse2 .cse11 (= 7 ~a28~0) .cse3) .cse6 (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|))) (or .cse13 .cse4 .cse6 (not (<= |old(~a11~0)| 0))) (or (not .cse12) (and .cse0 (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse3) .cse5 .cse7 .cse8) (or .cse9 .cse10 .cse6 .cse7) (or .cse6 (not (= 9 |old(~a28~0)|)) (and .cse1 .cse2 .cse11 (= ~a28~0 9) .cse3)) (or (and (or .cse13 .cse9 .cse6) (or .cse12 .cse13 .cse6 .cse7)) .cse4)))) [2020-09-21 11:27:05,659 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,659 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,659 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:27:05,660 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,661 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:27:05,662 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:27:05,663 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:27:05,664 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:27:05,665 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:05,666 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a17~0 8) (<= ~a28~0 7)) [2020-09-21 11:27:05,666 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:27:05,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:05,667 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 11:27:05,667 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse3 (<= 10 ~a28~0)) (.cse1 (not (= ~a19~0 1))) (.cse4 (not (= ~a11~0 1))) (.cse5 (not (= ~a28~0 11))) (.cse0 (= ~a17~0 8)) (.cse6 (= ~a25~0 1))) (or (and (= ~a21~0 1) .cse0 .cse1 (= 7 ~a28~0)) (= 7 ~a17~0) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse0 .cse2) (and .cse3 .cse0 .cse4 .cse5) (and .cse0 (= ~a28~0 9)) (not (= 8 |old(~a17~0)|)) (and (= |old(~a19~0)| 1) .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse3 .cse0 .cse6 .cse5) (and .cse0 .cse1 .cse4 .cse5) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 (<= ~a28~0 7)))) [2020-09-21 11:27:05,667 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:27:05,667 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:27:05,668 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse3 (<= 10 ~a28~0)) (.cse1 (not (= ~a19~0 1))) (.cse4 (not (= ~a11~0 1))) (.cse5 (not (= ~a28~0 11))) (.cse0 (= ~a17~0 8)) (.cse6 (= ~a25~0 1))) (or (and (= ~a21~0 1) .cse0 .cse1 (= 7 ~a28~0)) (= 7 ~a17~0) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse0 .cse2) (and .cse3 .cse0 .cse4 .cse5) (and .cse0 (= ~a28~0 9)) (not (= 8 |old(~a17~0)|)) (and (= |old(~a19~0)| 1) .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse3 .cse0 .cse6 .cse5) (and .cse0 .cse1 .cse4 .cse5) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 (<= ~a28~0 7)))) [2020-09-21 11:27:05,668 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:27:05,668 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:27:05,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:27:05 BoogieIcfgContainer [2020-09-21 11:27:05,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:27:05,702 INFO L168 Benchmark]: Toolchain (without parser) took 30541.18 ms. Allocated memory was 147.8 MB in the beginning and 569.4 MB in the end (delta: 421.5 MB). Free memory was 102.4 MB in the beginning and 322.7 MB in the end (delta: -220.3 MB). Peak memory consumption was 444.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:05,703 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:27:05,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.72 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.8 MB in the beginning and 173.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:05,706 INFO L168 Benchmark]: Boogie Preprocessor took 110.43 ms. Allocated memory is still 206.6 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:05,707 INFO L168 Benchmark]: RCFGBuilder took 1322.08 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 182.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:05,707 INFO L168 Benchmark]: TraceAbstraction took 28155.62 ms. Allocated memory was 239.6 MB in the beginning and 569.4 MB in the end (delta: 329.8 MB). Free memory was 182.4 MB in the beginning and 322.7 MB in the end (delta: -140.4 MB). Peak memory consumption was 432.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:05,715 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 942.72 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.8 MB in the beginning and 173.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.43 ms. Allocated memory is still 206.6 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1322.08 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 182.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28155.62 ms. Allocated memory was 239.6 MB in the beginning and 569.4 MB in the end (delta: 329.8 MB). Free memory was 182.4 MB in the beginning and 322.7 MB in the end (delta: -140.4 MB). Peak memory consumption was 432.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((a21 == 1 && a17 == 8) && !(a19 == 1)) && 7 == a28) || 7 == a17) || ((((a28 == \old(a28) && a11 == \old(a11)) && a25 == \old(a25)) && a17 == 8) && a19 == \old(a19))) || (((10 <= a28 && a17 == 8) && !(a11 == 1)) && !(a28 == 11))) || (a17 == 8 && a28 == 9)) || !(8 == \old(a17))) || ((((\old(a19) == 1 && 10 <= a28) && !(a11 == 1)) && a19 == \old(a19)) && !(a28 == 11))) || ((a17 == 8 && a25 == 1) && !(a11 == 1))) || !(\old(a28) <= 7)) || (((10 <= a28 && a17 == 8) && a25 == 1) && !(a28 == 11))) || (((a17 == 8 && !(a19 == 1)) && !(a11 == 1)) && !(a28 == 11))) || !(\old(a11) <= 0)) || ((a17 == 8 && a25 == 1) && a28 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 4509 SDslu, 554 SDs, 0 SdLazy, 9383 SolverSat, 1422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6185occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1153 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 281 PreInvPairs, 395 NumberOfFragments, 673 HoareAnnotationTreeSize, 281 FomulaSimplifications, 48632 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4690 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1577 NumberOfCodeBlocks, 1577 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1567 ConstructedInterpolants, 0 QuantifiedInterpolants, 790477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 474/508 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...