/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/Problem01_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:24:43,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:24:43,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:24:43,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:24:43,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:24:43,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:24:43,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:24:43,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:24:43,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:24:43,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:24:43,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:24:43,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:24:43,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:24:43,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:24:43,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:24:43,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:24:43,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:24:43,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:24:43,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:24:43,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:24:43,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:24:43,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:24:43,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:24:43,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:24:43,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:24:43,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:24:43,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:24:43,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:24:43,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:24:43,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:24:43,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:24:43,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:24:43,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:24:43,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:24:43,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:24:43,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:24:43,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:24:43,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:24:43,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:24:43,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:24:43,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:24:43,453 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 11:24:43,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:24:43,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:24:43,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:24:43,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:24:43,497 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:24:43,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:24:43,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:24:43,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:24:43,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:24:43,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:24:43,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:24:43,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:24:43,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:24:43,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:24:43,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:24:43,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:24:43,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:24:43,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:24:43,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:24:43,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:24:43,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:24:43,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:43,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:24:43,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:24:43,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:24:43,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:24:43,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:24:43,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:24:43,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:24:43,503 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 11:24:43,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:24:43,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:24:43,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:24:43,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:24:43,997 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:24:43,998 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2020-09-21 11:24:44,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/109fd06ef/1a453d4046024234b4d22526f6b5b311/FLAGb0d6571b0 [2020-09-21 11:24:44,733 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:24:44,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2020-09-21 11:24:44,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/109fd06ef/1a453d4046024234b4d22526f6b5b311/FLAGb0d6571b0 [2020-09-21 11:24:44,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/109fd06ef/1a453d4046024234b4d22526f6b5b311 [2020-09-21 11:24:44,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:24:44,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:24:44,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:44,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:24:44,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:24:44,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:44" (1/1) ... [2020-09-21 11:24:44,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f78b0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:44, skipping insertion in model container [2020-09-21 11:24:44,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:44" (1/1) ... [2020-09-21 11:24:44,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:24:45,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:24:45,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:45,501 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:24:45,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:45,749 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:24:45,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45 WrapperNode [2020-09-21 11:24:45,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:45,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:24:45,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:24:45,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:24:45,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (1/1) ... [2020-09-21 11:24:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:24:45,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:24:45,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:24:45,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:24:45,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (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 11:24:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:24:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:24:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:24:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:24:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:24:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:24:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:24:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:24:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:24:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:24:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:24:47,160 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:24:47,160 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:24:47,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:47 BoogieIcfgContainer [2020-09-21 11:24:47,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:24:47,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:24:47,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:24:47,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:24:47,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:24:44" (1/3) ... [2020-09-21 11:24:47,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df57da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:47, skipping insertion in model container [2020-09-21 11:24:47,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:45" (2/3) ... [2020-09-21 11:24:47,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df57da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:47, skipping insertion in model container [2020-09-21 11:24:47,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:47" (3/3) ... [2020-09-21 11:24:47,179 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label10.c [2020-09-21 11:24:47,193 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:24:47,204 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:24:47,230 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:24:47,264 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:24:47,265 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:24:47,265 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:24:47,265 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:24:47,265 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:24:47,265 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:24:47,266 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:24:47,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:24:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 11:24:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-21 11:24:47,307 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:47,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:47,309 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:47,317 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times [2020-09-21 11:24:47,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:47,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830815909] [2020-09-21 11:24:47,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:24:47,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 11:24:47,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-21 11:24:47,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:48,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:48,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:48,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:48,222 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 11:24:48,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830815909] [2020-09-21 11:24:48,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:48,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:24:48,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393476390] [2020-09-21 11:24:48,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:48,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:48,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:48,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:48,266 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-21 11:24:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:50,265 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-09-21 11:24:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:24:50,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-09-21 11:24:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:50,288 INFO L225 Difference]: With dead ends: 698 [2020-09-21 11:24:50,288 INFO L226 Difference]: Without dead ends: 423 [2020-09-21 11:24:50,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-21 11:24:50,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-09-21 11:24:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-09-21 11:24:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-09-21 11:24:50,396 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 116 [2020-09-21 11:24:50,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:50,397 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-09-21 11:24:50,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-09-21 11:24:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-21 11:24:50,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:50,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:50,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:24:50,404 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:50,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1657089323, now seen corresponding path program 1 times [2020-09-21 11:24:50,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:50,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098946900] [2020-09-21 11:24:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:24:50,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:24:50,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:50,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:24:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:50,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:50,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:50,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:50,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:24:50,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:24:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:50,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098946900] [2020-09-21 11:24:50,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:50,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:24:50,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586178244] [2020-09-21 11:24:50,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:24:50,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:24:50,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:50,691 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 8 states. [2020-09-21 11:24:52,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:52,330 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2020-09-21 11:24:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:24:52,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-09-21 11:24:52,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:52,340 INFO L225 Difference]: With dead ends: 1130 [2020-09-21 11:24:52,341 INFO L226 Difference]: Without dead ends: 719 [2020-09-21 11:24:52,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:24:52,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-09-21 11:24:52,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2020-09-21 11:24:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-09-21 11:24:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 977 transitions. [2020-09-21 11:24:52,403 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 977 transitions. Word has length 126 [2020-09-21 11:24:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:52,404 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 977 transitions. [2020-09-21 11:24:52,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:24:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 977 transitions. [2020-09-21 11:24:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 11:24:52,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:52,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:52,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:24:52,410 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:52,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:52,410 INFO L82 PathProgramCache]: Analyzing trace with hash 403851526, now seen corresponding path program 1 times [2020-09-21 11:24:52,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:52,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146808572] [2020-09-21 11:24:52,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:52,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:52,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:52,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:52,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:52,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-21 11:24:52,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:24:52,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:24:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:24:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:52,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:52,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:52,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:52,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:52,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:52,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:52,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:52,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:52,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:52,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:52,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:52,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:52,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:24:52,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:52,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:24:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:52,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:52,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:52,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:52,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:52,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:52,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:52,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:24:52,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:52,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:52,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:52,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:24:52,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146808572] [2020-09-21 11:24:52,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:52,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:52,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089102886] [2020-09-21 11:24:52,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:52,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:52,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:52,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:52,704 INFO L87 Difference]: Start difference. First operand 697 states and 977 transitions. Second operand 7 states. [2020-09-21 11:24:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:54,029 INFO L93 Difference]: Finished difference Result 1700 states and 2471 transitions. [2020-09-21 11:24:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:24:54,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-09-21 11:24:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:54,041 INFO L225 Difference]: With dead ends: 1700 [2020-09-21 11:24:54,043 INFO L226 Difference]: Without dead ends: 1009 [2020-09-21 11:24:54,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:24:54,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-09-21 11:24:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 846. [2020-09-21 11:24:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2020-09-21 11:24:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1187 transitions. [2020-09-21 11:24:54,114 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1187 transitions. Word has length 150 [2020-09-21 11:24:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:54,114 INFO L479 AbstractCegarLoop]: Abstraction has 846 states and 1187 transitions. [2020-09-21 11:24:54,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1187 transitions. [2020-09-21 11:24:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:24:54,122 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:54,129 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:54,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:24:54,130 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:54,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:54,130 INFO L82 PathProgramCache]: Analyzing trace with hash -486296946, now seen corresponding path program 1 times [2020-09-21 11:24:54,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:54,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465326309] [2020-09-21 11:24:54,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:54,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:54,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:54,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-21 11:24:54,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:24:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:24:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:24:54,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:54,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:54,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:54,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:54,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:54,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:54,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:54,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:54,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:54,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:54,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:54,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:54,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:54,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:54,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:54,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:54,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:54,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:54,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:24:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:24:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:54,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:54,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:54,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:24:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:24:54,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465326309] [2020-09-21 11:24:54,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:54,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:54,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683420464] [2020-09-21 11:24:54,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:54,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:54,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:54,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:54,515 INFO L87 Difference]: Start difference. First operand 846 states and 1187 transitions. Second operand 7 states. [2020-09-21 11:24:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:55,927 INFO L93 Difference]: Finished difference Result 2133 states and 3070 transitions. [2020-09-21 11:24:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:24:55,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-09-21 11:24:55,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:55,936 INFO L225 Difference]: With dead ends: 2133 [2020-09-21 11:24:55,937 INFO L226 Difference]: Without dead ends: 1293 [2020-09-21 11:24:55,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:24:55,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-09-21 11:24:55,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1003. [2020-09-21 11:24:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-09-21 11:24:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1321 transitions. [2020-09-21 11:24:55,985 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1321 transitions. Word has length 154 [2020-09-21 11:24:55,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:55,986 INFO L479 AbstractCegarLoop]: Abstraction has 1003 states and 1321 transitions. [2020-09-21 11:24:55,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1321 transitions. [2020-09-21 11:24:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-21 11:24:55,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:55,992 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:55,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:24:55,992 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:55,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:55,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1957761339, now seen corresponding path program 1 times [2020-09-21 11:24:55,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:55,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946836951] [2020-09-21 11:24:55,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:56,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:24:56,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -31 [2020-09-21 11:24:56,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 31 [2020-09-21 11:24:56,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:56,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 11:24:56,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:56,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:24:56,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-21 11:24:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:24:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:56,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:56,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:56,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:56,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:56,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:56,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:56,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:56,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:56,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:56,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:56,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:56,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:56,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:56,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:56,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:56,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:24:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:56,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:56,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:56,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:56,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:56,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:24:56,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:24:56,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:56,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:56,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:24:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:56,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:56,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:56,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:56,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:56,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:56,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:56,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:24:56,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:24:56,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946836951] [2020-09-21 11:24:56,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:56,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:56,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321126289] [2020-09-21 11:24:56,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:56,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:56,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:56,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:56,503 INFO L87 Difference]: Start difference. First operand 1003 states and 1321 transitions. Second operand 7 states. [2020-09-21 11:24:58,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:58,215 INFO L93 Difference]: Finished difference Result 2600 states and 3630 transitions. [2020-09-21 11:24:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:24:58,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-21 11:24:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:58,228 INFO L225 Difference]: With dead ends: 2600 [2020-09-21 11:24:58,228 INFO L226 Difference]: Without dead ends: 1603 [2020-09-21 11:24:58,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:24:58,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2020-09-21 11:24:58,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1559. [2020-09-21 11:24:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1559 states. [2020-09-21 11:24:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 1973 transitions. [2020-09-21 11:24:58,297 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 1973 transitions. Word has length 183 [2020-09-21 11:24:58,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:58,297 INFO L479 AbstractCegarLoop]: Abstraction has 1559 states and 1973 transitions. [2020-09-21 11:24:58,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1973 transitions. [2020-09-21 11:24:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-21 11:24:58,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:58,304 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:58,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:24:58,305 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:58,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:58,305 INFO L82 PathProgramCache]: Analyzing trace with hash 718736995, now seen corresponding path program 1 times [2020-09-21 11:24:58,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:58,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795011147] [2020-09-21 11:24:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:58,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:58,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:58,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:58,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:58,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-21 11:24:58,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:58,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:24:58,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-21 11:24:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-21 11:24:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:58,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:58,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:58,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:58,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:58,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:58,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:58,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:58,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:58,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:58,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:58,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:58,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:58,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:58,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:58,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:58,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:58,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:24:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:58,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:58,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:58,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:58,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:58,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:24:58,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:58,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:24:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:58,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:24:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:58,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:58,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:58,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:58,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:58,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:58,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:58,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:58,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:24:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-21 11:24:58,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795011147] [2020-09-21 11:24:58,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:58,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:24:58,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280779130] [2020-09-21 11:24:58,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:58,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:58,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:58,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:58,787 INFO L87 Difference]: Start difference. First operand 1559 states and 1973 transitions. Second operand 5 states. [2020-09-21 11:25:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:00,160 INFO L93 Difference]: Finished difference Result 2977 states and 3786 transitions. [2020-09-21 11:25:00,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:00,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2020-09-21 11:25:00,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:00,162 INFO L225 Difference]: With dead ends: 2977 [2020-09-21 11:25:00,163 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:25:00,172 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 11:25:00,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:25:00,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:25:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:25:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:25:00,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2020-09-21 11:25:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:00,174 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:25:00,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:25:00,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:25:00,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:25:00,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:25:00,967 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2020-09-21 11:25:01,093 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2020-09-21 11:25:01,529 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2020-09-21 11:25:01,681 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,682 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 11:25:01,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,683 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 11:25:01,684 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,685 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,686 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,690 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,690 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,690 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 11:25:01,690 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 11:25:01,690 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 11:25:01,691 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 11:25:01,692 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 11:25:01,692 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-09-21 11:25:01,692 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 11:25:01,692 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 11:25:01,692 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 11:25:01,693 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 11:25:01,693 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,693 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,693 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,695 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,695 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,695 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 11:25:01,695 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 11:25:01,696 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 11:25:01,697 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,697 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,698 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,698 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,698 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,698 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 11:25:01,700 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 11:25:01,700 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 11:25:01,700 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 11:25:01,701 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,702 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 11:25:01,703 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,704 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 11:25:01,705 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 11:25:01,706 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,707 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,709 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 11:25:01,709 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 11:25:01,709 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 11:25:01,709 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 11:25:01,711 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 11:25:01,711 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 11:25:01,711 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 11:25:01,711 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 11:25:01,711 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,711 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,712 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,712 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,712 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,712 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 11:25:01,713 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 11:25:01,714 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 11:25:01,714 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and (= ~a17~0 |old(~a17~0)|) .cse1 .cse2 .cse3 .cse4 .cse5))) (and (or (not (<= |old(~a16~0)| 5)) .cse0) (or .cse0 (= |old(~a21~0)| 1)) (or (not (= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a17~0 1)) (not (= |old(~a20~0)| 1))) (or (not (<= 15 |old(~a8~0)|)) .cse0)))) [2020-09-21 11:25:01,714 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 11:25:01,714 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,714 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 11:25:01,715 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 11:25:01,716 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 11:25:01,717 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:25:01,718 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 11:25:01,719 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 11:25:01,720 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 11:25:01,721 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,722 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-09-21 11:25:01,722 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:25:01,722 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,722 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1))) [2020-09-21 11:25:01,722 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:01,722 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a20~0 1) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 5) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= ~a21~0 1)) (not (= |old(~a21~0)| 1)) (<= 15 ~a8~0)) [2020-09-21 11:25:01,723 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 11:25:01,723 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 11:25:01,723 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a20~0 1) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 5) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= ~a21~0 1)) (not (= |old(~a21~0)| 1)) (<= 15 ~a8~0)) [2020-09-21 11:25:01,723 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:01,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:25:01 BoogieIcfgContainer [2020-09-21 11:25:01,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:25:01,758 INFO L168 Benchmark]: Toolchain (without parser) took 16812.81 ms. Allocated memory was 137.9 MB in the beginning and 456.1 MB in the end (delta: 318.2 MB). Free memory was 98.8 MB in the beginning and 393.9 MB in the end (delta: -295.1 MB). Peak memory consumption was 337.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,759 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.13 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 98.4 MB in the beginning and 169.2 MB in the end (delta: -70.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,766 INFO L168 Benchmark]: Boogie Preprocessor took 107.74 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,766 INFO L168 Benchmark]: RCFGBuilder took 1308.98 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 164.1 MB in the beginning and 178.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,767 INFO L168 Benchmark]: TraceAbstraction took 14585.67 ms. Allocated memory was 232.8 MB in the beginning and 456.1 MB in the end (delta: 223.3 MB). Free memory was 178.2 MB in the beginning and 393.9 MB in the end (delta: -215.7 MB). Peak memory consumption was 322.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.13 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 98.4 MB in the beginning and 169.2 MB in the end (delta: -70.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.74 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1308.98 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 164.1 MB in the beginning and 178.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14585.67 ms. Allocated memory was 232.8 MB in the beginning and 456.1 MB in the end (delta: 223.3 MB). Free memory was 178.2 MB in the beginning and 393.9 MB in the end (delta: -215.7 MB). Peak memory consumption was 322.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 583]: Loop Invariant Derived loop invariant: (((((((!(\old(a17) == 1) || (a20 == 1 && a17 == 1)) || !(\old(a16) <= 5)) || a16 <= 5) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || !(a21 == 1)) || !(\old(a21) == 1)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 167 SDtfs, 2305 SDslu, 234 SDs, 0 SdLazy, 4905 SolverSat, 999 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1559occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 525 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 49 PreInvPairs, 71 NumberOfFragments, 291 HoareAnnotationTreeSize, 49 FomulaSimplifications, 17013 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1002 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 932 NumberOfCodeBlocks, 932 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 926 ConstructedInterpolants, 0 QuantifiedInterpolants, 429242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 326/335 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...