/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/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:28:01,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:28:01,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:28:01,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:28:01,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:28:01,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:28:01,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:28:01,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:28:01,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:28:01,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:28:01,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:28:01,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:28:01,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:28:01,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:28:01,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:28:01,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:28:01,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:28:01,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:28:01,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:28:01,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:28:01,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:28:01,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:28:01,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:28:01,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:28:01,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:28:01,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:28:01,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:28:01,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:28:01,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:28:01,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:28:01,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:28:01,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:28:01,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:28:01,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:28:01,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:28:01,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:28:01,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:28:01,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:28:01,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:28:01,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:28:01,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:28:01,351 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 11:28:01,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:28:01,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:28:01,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:28:01,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:28:01,379 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:28:01,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:28:01,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:28:01,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:28:01,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:28:01,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:28:01,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:28:01,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:28:01,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:28:01,380 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:28:01,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:28:01,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:28:01,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:28:01,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:28:01,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:28:01,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:28:01,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:28:01,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:01,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:28:01,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:28:01,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:28:01,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:28:01,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:28:01,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:28:01,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:28:01,384 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 11:28:01,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:28:01,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:28:01,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:28:01,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:28:01,907 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:28:01,908 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-09-21 11:28:01,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ad676820/7e83e996254e405eaa6a1aa351e82408/FLAG36b939783 [2020-09-21 11:28:02,715 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:28:02,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-09-21 11:28:02,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ad676820/7e83e996254e405eaa6a1aa351e82408/FLAG36b939783 [2020-09-21 11:28:02,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ad676820/7e83e996254e405eaa6a1aa351e82408 [2020-09-21 11:28:02,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:28:02,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:28:02,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:02,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:28:02,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:28:02,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:02" (1/1) ... [2020-09-21 11:28:02,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738c85d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:02, skipping insertion in model container [2020-09-21 11:28:02,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:02" (1/1) ... [2020-09-21 11:28:02,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:28:02,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:28:03,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:03,666 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:28:03,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:03,917 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:28:03,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03 WrapperNode [2020-09-21 11:28:03,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:03,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:28:03,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:28:03,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:28:03,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:03,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:03,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:03,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:04,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:04,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:04,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (1/1) ... [2020-09-21 11:28:04,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:28:04,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:28:04,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:28:04,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:28:04,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (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 11:28:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:28:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:28:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:28:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:28:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:28:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:28:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:28:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:28:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:28:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:28:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:28:06,151 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:28:06,152 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:28:06,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:06 BoogieIcfgContainer [2020-09-21 11:28:06,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:28:06,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:28:06,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:28:06,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:28:06,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:28:02" (1/3) ... [2020-09-21 11:28:06,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1f420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:06, skipping insertion in model container [2020-09-21 11:28:06,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:03" (2/3) ... [2020-09-21 11:28:06,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1f420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:06, skipping insertion in model container [2020-09-21 11:28:06,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:06" (3/3) ... [2020-09-21 11:28:06,171 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-09-21 11:28:06,183 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:28:06,195 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:28:06,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:28:06,257 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:28:06,257 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:28:06,258 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:28:06,258 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:28:06,258 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:28:06,258 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:28:06,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:28:06,259 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:28:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-09-21 11:28:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 11:28:06,298 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:06,300 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] [2020-09-21 11:28:06,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:06,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:06,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-09-21 11:28:06,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:06,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628316064] [2020-09-21 11:28:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:06,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:06,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:28:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:28:06,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:28:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:06,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:06,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:06,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:06,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:06,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:06,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:06,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:06,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:06,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:06,920 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 11:28:06,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628316064] [2020-09-21 11:28:06,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:06,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:28:06,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953415044] [2020-09-21 11:28:06,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:06,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:06,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:06,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:06,955 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-09-21 11:28:10,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:10,554 INFO L93 Difference]: Finished difference Result 998 states and 1793 transitions. [2020-09-21 11:28:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:28:10,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-09-21 11:28:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:10,583 INFO L225 Difference]: With dead ends: 998 [2020-09-21 11:28:10,583 INFO L226 Difference]: Without dead ends: 638 [2020-09-21 11:28:10,596 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 11:28:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-09-21 11:28:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 621. [2020-09-21 11:28:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-21 11:28:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 950 transitions. [2020-09-21 11:28:10,716 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 950 transitions. Word has length 40 [2020-09-21 11:28:10,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:10,717 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 950 transitions. [2020-09-21 11:28:10,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 950 transitions. [2020-09-21 11:28:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-21 11:28:10,725 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:10,726 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:10,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:28:10,727 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:10,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:10,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1781272370, now seen corresponding path program 1 times [2020-09-21 11:28:10,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:10,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519603690] [2020-09-21 11:28:10,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:11,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:11,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:11,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:11,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:11,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 11:28:11,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-21 11:28:11,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:28:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:11,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:11,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:11,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:11,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:11,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:11,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:11,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:11,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:11,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:11,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:11,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:11,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:11,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:11,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:11,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:11,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:11,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:11,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:28:11,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:11,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-21 11:28:11,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:28:11,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:11,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519603690] [2020-09-21 11:28:11,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:11,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:28:11,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173076020] [2020-09-21 11:28:11,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:11,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:11,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:11,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:11,465 INFO L87 Difference]: Start difference. First operand 621 states and 950 transitions. Second operand 7 states. [2020-09-21 11:28:14,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:14,548 INFO L93 Difference]: Finished difference Result 1865 states and 2955 transitions. [2020-09-21 11:28:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:14,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-09-21 11:28:14,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:14,561 INFO L225 Difference]: With dead ends: 1865 [2020-09-21 11:28:14,561 INFO L226 Difference]: Without dead ends: 1250 [2020-09-21 11:28:14,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-09-21 11:28:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1217. [2020-09-21 11:28:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2020-09-21 11:28:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1704 transitions. [2020-09-21 11:28:14,653 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1704 transitions. Word has length 110 [2020-09-21 11:28:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:14,654 INFO L479 AbstractCegarLoop]: Abstraction has 1217 states and 1704 transitions. [2020-09-21 11:28:14,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1704 transitions. [2020-09-21 11:28:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-21 11:28:14,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:14,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:14,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:28:14,659 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:14,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:14,660 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-09-21 11:28:14,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:14,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499940603] [2020-09-21 11:28:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:28:14,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:28:14,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:28:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:14,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:14,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:14,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:14,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:14,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:28:14,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:28:14,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:28:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:15,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499940603] [2020-09-21 11:28:15,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:15,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:28:15,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216247361] [2020-09-21 11:28:15,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:15,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:15,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:15,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:15,124 INFO L87 Difference]: Start difference. First operand 1217 states and 1704 transitions. Second operand 7 states. [2020-09-21 11:28:18,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:18,489 INFO L93 Difference]: Finished difference Result 3652 states and 5269 transitions. [2020-09-21 11:28:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:18,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-09-21 11:28:18,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:18,505 INFO L225 Difference]: With dead ends: 3652 [2020-09-21 11:28:18,505 INFO L226 Difference]: Without dead ends: 2441 [2020-09-21 11:28:18,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:18,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2441 states. [2020-09-21 11:28:18,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 2216. [2020-09-21 11:28:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-21 11:28:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2966 transitions. [2020-09-21 11:28:18,607 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2966 transitions. Word has length 120 [2020-09-21 11:28:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:18,609 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2966 transitions. [2020-09-21 11:28:18,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2966 transitions. [2020-09-21 11:28:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-21 11:28:18,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:18,626 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:18,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:28:18,627 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash 384966816, now seen corresponding path program 1 times [2020-09-21 11:28:18,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:18,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894071300] [2020-09-21 11:28:18,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-21 11:28:18,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:28:18,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 32 [2020-09-21 11:28:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:18,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:18,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:18,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:18,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:18,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:18,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:18,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:18,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:18,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:18,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:28:18,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:18,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:18,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:28:18,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:19,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:28:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:19,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:19,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:19,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:19,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:28:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:19,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:28:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:28:19,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894071300] [2020-09-21 11:28:19,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:19,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:19,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120518264] [2020-09-21 11:28:19,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:19,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:19,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:19,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:19,150 INFO L87 Difference]: Start difference. First operand 2216 states and 2966 transitions. Second operand 7 states. [2020-09-21 11:28:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:21,995 INFO L93 Difference]: Finished difference Result 4487 states and 6072 transitions. [2020-09-21 11:28:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:28:21,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-21 11:28:21,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:22,009 INFO L225 Difference]: With dead ends: 4487 [2020-09-21 11:28:22,010 INFO L226 Difference]: Without dead ends: 2277 [2020-09-21 11:28:22,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:22,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2020-09-21 11:28:22,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2218. [2020-09-21 11:28:22,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2218 states. [2020-09-21 11:28:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 2944 transitions. [2020-09-21 11:28:22,085 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 2944 transitions. Word has length 183 [2020-09-21 11:28:22,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:22,086 INFO L479 AbstractCegarLoop]: Abstraction has 2218 states and 2944 transitions. [2020-09-21 11:28:22,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2944 transitions. [2020-09-21 11:28:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-09-21 11:28:22,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:22,090 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:22,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:22,091 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:22,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:22,091 INFO L82 PathProgramCache]: Analyzing trace with hash 240062387, now seen corresponding path program 1 times [2020-09-21 11:28:22,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:22,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486396811] [2020-09-21 11:28:22,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-21 11:28:22,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:28:22,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-09-21 11:28:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:28:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:22,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:22,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:28:22,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:22,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:22,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:28:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:28:22,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:22,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:22,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:22,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:28:22,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-09-21 11:28:22,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486396811] [2020-09-21 11:28:22,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:22,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:22,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550155056] [2020-09-21 11:28:22,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:22,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:22,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:22,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:22,626 INFO L87 Difference]: Start difference. First operand 2218 states and 2944 transitions. Second operand 5 states. [2020-09-21 11:28:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:25,347 INFO L93 Difference]: Finished difference Result 5592 states and 7708 transitions. [2020-09-21 11:28:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:25,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-09-21 11:28:25,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:25,378 INFO L225 Difference]: With dead ends: 5592 [2020-09-21 11:28:25,379 INFO L226 Difference]: Without dead ends: 3380 [2020-09-21 11:28:25,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:25,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2020-09-21 11:28:25,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3374. [2020-09-21 11:28:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3374 states. [2020-09-21 11:28:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4588 transitions. [2020-09-21 11:28:25,535 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4588 transitions. Word has length 236 [2020-09-21 11:28:25,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:25,537 INFO L479 AbstractCegarLoop]: Abstraction has 3374 states and 4588 transitions. [2020-09-21 11:28:25,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4588 transitions. [2020-09-21 11:28:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-21 11:28:25,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:25,549 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:25,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:25,550 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:25,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:25,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-09-21 11:28:25,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:25,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24145801] [2020-09-21 11:28:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-21 11:28:25,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:28:25,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 240 [2020-09-21 11:28:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:28:25,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:25,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:25,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:25,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-21 11:28:25,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:25,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:25,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-21 11:28:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-09-21 11:28:25,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:25,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:25,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:25,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:28:25,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-09-21 11:28:26,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24145801] [2020-09-21 11:28:26,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:26,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:28:26,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769724942] [2020-09-21 11:28:26,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:28:26,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:26,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:28:26,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:26,110 INFO L87 Difference]: Start difference. First operand 3374 states and 4588 transitions. Second operand 6 states. [2020-09-21 11:28:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:29,774 INFO L93 Difference]: Finished difference Result 9450 states and 13669 transitions. [2020-09-21 11:28:29,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:28:29,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 267 [2020-09-21 11:28:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:29,818 INFO L225 Difference]: With dead ends: 9450 [2020-09-21 11:28:29,818 INFO L226 Difference]: Without dead ends: 6082 [2020-09-21 11:28:29,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6082 states. [2020-09-21 11:28:29,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6082 to 6067. [2020-09-21 11:28:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-09-21 11:28:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 8244 transitions. [2020-09-21 11:28:30,008 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 8244 transitions. Word has length 267 [2020-09-21 11:28:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:30,009 INFO L479 AbstractCegarLoop]: Abstraction has 6067 states and 8244 transitions. [2020-09-21 11:28:30,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:28:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 8244 transitions. [2020-09-21 11:28:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-21 11:28:30,020 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:30,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:28:30,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:30,021 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:30,022 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-09-21 11:28:30,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:30,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926045232] [2020-09-21 11:28:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-09-21 11:28:30,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:28:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-21 11:28:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:28:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:30,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:30,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:30,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:30,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:28:30,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:30,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:28:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 11:28:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-21 11:28:30,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:28:30,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:30,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:30,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-21 11:28:30,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:28:30,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926045232] [2020-09-21 11:28:30,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:30,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:30,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313106561] [2020-09-21 11:28:30,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:30,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:30,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:30,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:30,737 INFO L87 Difference]: Start difference. First operand 6067 states and 8244 transitions. Second operand 7 states. [2020-09-21 11:28:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:34,386 INFO L93 Difference]: Finished difference Result 13718 states and 19116 transitions. [2020-09-21 11:28:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:34,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-09-21 11:28:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:34,427 INFO L225 Difference]: With dead ends: 13718 [2020-09-21 11:28:34,427 INFO L226 Difference]: Without dead ends: 7657 [2020-09-21 11:28:34,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7657 states. [2020-09-21 11:28:34,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7657 to 7634. [2020-09-21 11:28:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2020-09-21 11:28:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10681 transitions. [2020-09-21 11:28:34,673 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10681 transitions. Word has length 278 [2020-09-21 11:28:34,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:34,674 INFO L479 AbstractCegarLoop]: Abstraction has 7634 states and 10681 transitions. [2020-09-21 11:28:34,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10681 transitions. [2020-09-21 11:28:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-21 11:28:34,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:34,693 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:34,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:28:34,694 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:34,694 INFO L82 PathProgramCache]: Analyzing trace with hash -844079456, now seen corresponding path program 1 times [2020-09-21 11:28:34,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:34,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130085312] [2020-09-21 11:28:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-09-21 11:28:34,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:28:34,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-09-21 11:28:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:28:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:34,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:34,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:34,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:34,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:34,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:34,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:34,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:34,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:35,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:28:35,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:35,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:35,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:35,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:35,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:35,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:28:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:35,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:28:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:28:35,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-21 11:28:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-21 11:28:35,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:28:35,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-21 11:28:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-21 11:28:35,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130085312] [2020-09-21 11:28:35,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:35,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:35,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494264435] [2020-09-21 11:28:35,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:35,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:35,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:35,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:35,545 INFO L87 Difference]: Start difference. First operand 7634 states and 10681 transitions. Second operand 7 states. [2020-09-21 11:28:38,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:38,377 INFO L93 Difference]: Finished difference Result 16137 states and 23863 transitions. [2020-09-21 11:28:38,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:38,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-09-21 11:28:38,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:38,427 INFO L225 Difference]: With dead ends: 16137 [2020-09-21 11:28:38,427 INFO L226 Difference]: Without dead ends: 8509 [2020-09-21 11:28:38,452 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 11:28:38,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8509 states. [2020-09-21 11:28:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8509 to 7256. [2020-09-21 11:28:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7256 states. [2020-09-21 11:28:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7256 states to 7256 states and 9801 transitions. [2020-09-21 11:28:38,784 INFO L78 Accepts]: Start accepts. Automaton has 7256 states and 9801 transitions. Word has length 336 [2020-09-21 11:28:38,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:38,785 INFO L479 AbstractCegarLoop]: Abstraction has 7256 states and 9801 transitions. [2020-09-21 11:28:38,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7256 states and 9801 transitions. [2020-09-21 11:28:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-09-21 11:28:38,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:38,807 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:38,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:28:38,808 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:38,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1109482027, now seen corresponding path program 1 times [2020-09-21 11:28:38,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:38,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129009324] [2020-09-21 11:28:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:28:38,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -135 [2020-09-21 11:28:38,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 135 [2020-09-21 11:28:38,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-09-21 11:28:38,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:28:38,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-21 11:28:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:28:38,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:39,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:39,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:39,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:28:39,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:39,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:28:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 11:28:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:28:39,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:39,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:28:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-21 11:28:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:39,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:39,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:39,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:39,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:39,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-21 11:28:39,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:39,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-21 11:28:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 200 proven. 99 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-09-21 11:28:39,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129009324] [2020-09-21 11:28:39,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:39,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:28:39,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111244082] [2020-09-21 11:28:39,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:39,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:39,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:39,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:39,547 INFO L87 Difference]: Start difference. First operand 7256 states and 9801 transitions. Second operand 8 states. [2020-09-21 11:28:39,682 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-09-21 11:28:43,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:43,568 INFO L93 Difference]: Finished difference Result 18909 states and 25876 transitions. [2020-09-21 11:28:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:28:43,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 380 [2020-09-21 11:28:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:43,610 INFO L225 Difference]: With dead ends: 18909 [2020-09-21 11:28:43,610 INFO L226 Difference]: Without dead ends: 11659 [2020-09-21 11:28:43,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:43,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11659 states. [2020-09-21 11:28:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11659 to 9559. [2020-09-21 11:28:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9559 states. [2020-09-21 11:28:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9559 states to 9559 states and 12910 transitions. [2020-09-21 11:28:43,936 INFO L78 Accepts]: Start accepts. Automaton has 9559 states and 12910 transitions. Word has length 380 [2020-09-21 11:28:43,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:43,937 INFO L479 AbstractCegarLoop]: Abstraction has 9559 states and 12910 transitions. [2020-09-21 11:28:43,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9559 states and 12910 transitions. [2020-09-21 11:28:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2020-09-21 11:28:43,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:43,985 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:28:43,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:28:43,986 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:43,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1239620131, now seen corresponding path program 1 times [2020-09-21 11:28:43,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:43,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905189003] [2020-09-21 11:28:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 431 [2020-09-21 11:28:44,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:28:44,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-09-21 11:28:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-21 11:28:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:44,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:44,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:44,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:44,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:44,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:44,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:28:44,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:44,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 11:28:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-21 11:28:44,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-21 11:28:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-21 11:28:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-21 11:28:44,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:44,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:44,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 11:28:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-09-21 11:28:45,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905189003] [2020-09-21 11:28:45,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:45,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:45,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085321157] [2020-09-21 11:28:45,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:45,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:45,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:45,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:45,020 INFO L87 Difference]: Start difference. First operand 9559 states and 12910 transitions. Second operand 5 states. [2020-09-21 11:28:47,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:47,341 INFO L93 Difference]: Finished difference Result 19114 states and 25824 transitions. [2020-09-21 11:28:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:47,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 416 [2020-09-21 11:28:47,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:47,343 INFO L225 Difference]: With dead ends: 19114 [2020-09-21 11:28:47,343 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:28:47,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:47,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:28:47,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:28:47,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:28:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:28:47,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2020-09-21 11:28:47,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:47,379 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:28:47,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:28:47,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:28:47,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:28:47,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:49,272 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 52 [2020-09-21 11:28:49,690 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 52 [2020-09-21 11:28:49,840 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2020-09-21 11:28:50,789 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2020-09-21 11:28:50,957 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2020-09-21 11:28:51,079 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2020-09-21 11:28:51,084 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:51,085 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-09-21 11:28:51,085 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:51,085 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-09-21 11:28:51,085 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-21 11:28:51,085 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-21 11:28:51,086 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,086 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,086 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,086 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,086 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,086 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,087 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,087 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-21 11:28:51,087 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-21 11:28:51,087 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-21 11:28:51,087 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,087 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,088 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,089 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,090 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,090 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,090 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,090 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,090 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 11:28:51,090 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,091 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,092 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,093 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,094 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,095 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,095 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,097 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-09-21 11:28:51,098 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,099 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-09-21 11:28:51,100 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,101 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,102 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,102 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or (= 13 |old(~a25~0)|) .cse0) (or (not (<= |old(~a29~0)| 245)) .cse0) (or (not (<= 180 |old(~a23~0)|)) .cse0) (or (= |old(~a4~0)| 1) .cse0))) [2020-09-21 11:28:51,102 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,102 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-21 11:28:51,102 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-21 11:28:51,102 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-21 11:28:51,102 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:28:51,103 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,104 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,105 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-09-21 11:28:51,105 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 11:28:51,105 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-21 11:28:51,105 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,105 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,106 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,107 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,108 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,109 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,110 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-09-21 11:28:51,111 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-21 11:28:51,112 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,113 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,114 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,115 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 11:28:51,116 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,117 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,118 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,118 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,118 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-09-21 11:28:51,118 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:28:51,118 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-21 11:28:51,119 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,120 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,120 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,120 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,121 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-09-21 11:28:51,123 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-21 11:28:51,123 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-09-21 11:28:51,123 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-09-21 11:28:51,124 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,125 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,126 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-09-21 11:28:51,126 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,126 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,126 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-09-21 11:28:51,126 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:51,126 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (<= ~a29~0 130) (not (= ~a25~0 9)) (= ~a4~0 1)) [2020-09-21 11:28:51,126 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:51,126 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:51,127 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (= 9 |old(~a25~0)|) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|))) [2020-09-21 11:28:51,127 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-09-21 11:28:51,127 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (<= 180 ~a23~0) (not (= ~a4~0 1)) (= 9 |old(~a25~0)|) (<= ~a29~0 245) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a25~0 13))) [2020-09-21 11:28:51,128 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-09-21 11:28:51,128 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-09-21 11:28:51,128 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (<= 180 ~a23~0) (not (= ~a4~0 1)) (= 9 |old(~a25~0)|) (<= ~a29~0 245) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a25~0 13))) [2020-09-21 11:28:51,128 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-09-21 11:28:51,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:51 BoogieIcfgContainer [2020-09-21 11:28:51,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:51,158 INFO L168 Benchmark]: Toolchain (without parser) took 48271.08 ms. Allocated memory was 140.0 MB in the beginning and 804.8 MB in the end (delta: 664.8 MB). Free memory was 99.3 MB in the beginning and 174.3 MB in the end (delta: -75.0 MB). Peak memory consumption was 589.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:51,159 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:28:51,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1024.97 ms. Allocated memory was 140.0 MB in the beginning and 210.2 MB in the end (delta: 70.3 MB). Free memory was 98.6 MB in the beginning and 164.3 MB in the end (delta: -65.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:51,161 INFO L168 Benchmark]: Boogie Preprocessor took 158.77 ms. Allocated memory is still 210.2 MB. Free memory was 164.3 MB in the beginning and 156.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:51,162 INFO L168 Benchmark]: RCFGBuilder took 2082.97 ms. Allocated memory was 210.2 MB in the beginning and 243.3 MB in the end (delta: 33.0 MB). Free memory was 156.3 MB in the beginning and 102.7 MB in the end (delta: 53.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:51,163 INFO L168 Benchmark]: TraceAbstraction took 44994.53 ms. Allocated memory was 243.3 MB in the beginning and 804.8 MB in the end (delta: 561.5 MB). Free memory was 101.2 MB in the beginning and 174.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:51,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1024.97 ms. Allocated memory was 140.0 MB in the beginning and 210.2 MB in the end (delta: 70.3 MB). Free memory was 98.6 MB in the beginning and 164.3 MB in the end (delta: -65.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.77 ms. Allocated memory is still 210.2 MB. Free memory was 164.3 MB in the beginning and 156.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2082.97 ms. Allocated memory was 210.2 MB in the beginning and 243.3 MB in the end (delta: 33.0 MB). Free memory was 156.3 MB in the beginning and 102.7 MB in the end (delta: 53.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44994.53 ms. Allocated memory was 243.3 MB in the beginning and 804.8 MB in the end (delta: 561.5 MB). Free memory was 101.2 MB in the beginning and 174.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((!(\old(a4) == 1) || !(\old(a25) <= 10)) || 180 <= a23) || !(a4 == 1)) || 9 == \old(a25)) || a29 <= 245) || !(312 <= \old(a23))) || !(\old(a29) <= 130)) || !(a25 == 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 32.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 472 SDtfs, 7581 SDslu, 812 SDs, 0 SdLazy, 13131 SolverSat, 2657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9559occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 3731 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 261 PreInvPairs, 361 NumberOfFragments, 227 HoareAnnotationTreeSize, 261 FomulaSimplifications, 89794 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4673 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2366 NumberOfCodeBlocks, 2366 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2356 ConstructedInterpolants, 0 QuantifiedInterpolants, 1443612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1713/1888 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...