java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:45:03,924 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:45:03,926 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:45:03,940 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:45:03,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:45:03,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:45:03,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:45:03,945 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:45:03,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:45:03,947 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:45:03,948 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:45:03,948 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:45:03,949 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:45:03,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:45:03,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:45:03,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:45:03,953 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:45:03,955 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:45:03,957 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:45:03,960 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:45:03,962 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:45:03,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:45:03,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-24 12:45:03,986 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 12:45:04,009 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:45:04,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:45:04,010 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:45:04,010 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:45:04,010 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:45:04,011 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:45:04,011 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:45:04,011 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:45:04,011 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:45:04,011 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:45:04,011 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:45:04,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:45:04,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:45:04,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:45:04,013 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:45:04,013 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:45:04,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:45:04,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:45:04,013 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:45:04,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:45:04,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:45:04,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:45:04,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:45:04,014 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:45:04,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:45:04,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:45:04,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:45:04,015 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:45:04,015 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:45:04,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:45:04,016 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:45:04,016 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:45:04,016 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:45:04,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:45:04,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:45:04,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:45:04,098 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:45:04,099 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:45:04,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-07-24 12:45:04,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98885c599/b404e7ae741c47d58cce8cc515868eec/FLAG249fe760f [2018-07-24 12:45:04,727 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:45:04,728 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-07-24 12:45:04,765 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98885c599/b404e7ae741c47d58cce8cc515868eec/FLAG249fe760f [2018-07-24 12:45:04,786 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98885c599/b404e7ae741c47d58cce8cc515868eec [2018-07-24 12:45:04,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:45:04,797 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:45:04,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:45:04,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:45:04,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:45:04,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:45:04" (1/1) ... [2018-07-24 12:45:04,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd301c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:04, skipping insertion in model container [2018-07-24 12:45:04,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:45:04" (1/1) ... [2018-07-24 12:45:05,082 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:45:05,404 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:45:05,423 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:45:05,563 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:45:05,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05 WrapperNode [2018-07-24 12:45:05,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:45:05,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:45:05,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:45:05,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:45:05,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:45:05,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:45:05,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:45:05,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:45:05,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... [2018-07-24 12:45:05,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:45:05,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:45:05,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:45:05,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:45:05,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2018-07-24 12:45:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-24 12:45:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-24 12:45:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:45:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:45:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:45:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:45:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:45:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:45:09,312 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:45:09,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:45:09 BoogieIcfgContainer [2018-07-24 12:45:09,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:45:09,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:45:09,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:45:09,325 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:45:09,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:45:04" (1/3) ... [2018-07-24 12:45:09,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d757ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:45:09, skipping insertion in model container [2018-07-24 12:45:09,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:45:05" (2/3) ... [2018-07-24 12:45:09,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d757ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:45:09, skipping insertion in model container [2018-07-24 12:45:09,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:45:09" (3/3) ... [2018-07-24 12:45:09,331 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-07-24 12:45:09,341 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:45:09,357 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:45:09,414 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:45:09,415 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:45:09,415 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:45:09,415 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:45:09,416 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:45:09,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:45:09,416 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:45:09,416 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:45:09,416 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:45:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-24 12:45:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-24 12:45:09,455 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:09,457 INFO L353 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] [2018-07-24 12:45:09,457 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:09,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1638523512, now seen corresponding path program 1 times [2018-07-24 12:45:09,466 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:09,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:09,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:09,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:09,516 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:10,100 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:45:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:10,321 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:45:10,322 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:45:10,322 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:45:10,332 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:45:10,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:45:10,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:45:10,352 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-24 12:45:11,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:11,865 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-24 12:45:11,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:45:11,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-07-24 12:45:11,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:11,887 INFO L225 Difference]: With dead ends: 550 [2018-07-24 12:45:11,887 INFO L226 Difference]: Without dead ends: 340 [2018-07-24 12:45:11,893 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:45:11,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-24 12:45:11,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-24 12:45:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-24 12:45:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-07-24 12:45:11,975 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 92 [2018-07-24 12:45:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:11,976 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-07-24 12:45:11,976 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:45:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-07-24 12:45:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-24 12:45:11,985 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:11,985 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 12:45:11,985 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:11,986 INFO L82 PathProgramCache]: Analyzing trace with hash -561118379, now seen corresponding path program 1 times [2018-07-24 12:45:11,986 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:11,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:11,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:11,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:11,989 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:12,249 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:45:12,249 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:45:12,249 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:45:12,252 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:45:12,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:45:12,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:45:12,253 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-07-24 12:45:14,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:14,491 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-07-24 12:45:14,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:45:14,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-07-24 12:45:14,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:14,501 INFO L225 Difference]: With dead ends: 1075 [2018-07-24 12:45:14,502 INFO L226 Difference]: Without dead ends: 741 [2018-07-24 12:45:14,506 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:45:14,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-07-24 12:45:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-07-24 12:45:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-07-24 12:45:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-07-24 12:45:14,556 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 103 [2018-07-24 12:45:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:14,557 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-07-24 12:45:14,557 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:45:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-07-24 12:45:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-24 12:45:14,562 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:14,562 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 12:45:14,563 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:14,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1264235371, now seen corresponding path program 1 times [2018-07-24 12:45:14,563 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:14,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:14,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:14,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:14,565 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:14,739 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:45:14,740 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:45:14,740 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:45:14,741 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:45:14,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:45:14,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:45:14,743 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 3 states. [2018-07-24 12:45:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:16,546 INFO L93 Difference]: Finished difference Result 1890 states and 3042 transitions. [2018-07-24 12:45:16,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:45:16,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-07-24 12:45:16,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:16,555 INFO L225 Difference]: With dead ends: 1890 [2018-07-24 12:45:16,556 INFO L226 Difference]: Without dead ends: 1172 [2018-07-24 12:45:16,560 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:45:16,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2018-07-24 12:45:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1168. [2018-07-24 12:45:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2018-07-24 12:45:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1699 transitions. [2018-07-24 12:45:16,662 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1699 transitions. Word has length 104 [2018-07-24 12:45:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:16,663 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1699 transitions. [2018-07-24 12:45:16,663 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:45:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1699 transitions. [2018-07-24 12:45:16,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-24 12:45:16,677 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:16,680 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:45:16,680 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:16,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1190454454, now seen corresponding path program 1 times [2018-07-24 12:45:16,681 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:16,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:16,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:16,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:16,683 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:16,967 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:16,967 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:45:16,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:16,983 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:17,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:17,390 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:17,729 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:17,729 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:45:17,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:17,749 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:17,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:18,025 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-07-24 12:45:18,423 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-07-24 12:45:18,423 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 7] total 10 [2018-07-24 12:45:18,423 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:45:18,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:45:18,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:45:18,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-07-24 12:45:18,425 INFO L87 Difference]: Start difference. First operand 1168 states and 1699 transitions. Second operand 5 states. [2018-07-24 12:45:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:21,561 INFO L93 Difference]: Finished difference Result 2752 states and 4106 transitions. [2018-07-24 12:45:21,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 12:45:21,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-07-24 12:45:21,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:21,577 INFO L225 Difference]: With dead ends: 2752 [2018-07-24 12:45:21,577 INFO L226 Difference]: Without dead ends: 1590 [2018-07-24 12:45:21,582 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 531 SyntacticMatches, 9 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-07-24 12:45:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2018-07-24 12:45:21,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1590. [2018-07-24 12:45:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1590 states. [2018-07-24 12:45:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2341 transitions. [2018-07-24 12:45:21,665 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2341 transitions. Word has length 136 [2018-07-24 12:45:21,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:21,665 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 2341 transitions. [2018-07-24 12:45:21,665 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:45:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2341 transitions. [2018-07-24 12:45:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-24 12:45:21,675 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:21,675 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:45:21,675 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:21,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1007642414, now seen corresponding path program 1 times [2018-07-24 12:45:21,676 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:21,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:21,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:21,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:21,677 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:21,959 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:21,959 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:45:21,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:21,967 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:22,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:45:22,407 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:45:22,837 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:22,837 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:45:22,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:22,865 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:23,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:45:23,235 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:45:23,428 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:45:23,428 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 4, 4] total 13 [2018-07-24 12:45:23,428 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:45:23,429 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 12:45:23,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 12:45:23,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-07-24 12:45:23,430 INFO L87 Difference]: Start difference. First operand 1590 states and 2341 transitions. Second operand 8 states. [2018-07-24 12:45:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:27,319 INFO L93 Difference]: Finished difference Result 4091 states and 6329 transitions. [2018-07-24 12:45:27,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-24 12:45:27,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2018-07-24 12:45:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:27,339 INFO L225 Difference]: With dead ends: 4091 [2018-07-24 12:45:27,340 INFO L226 Difference]: Without dead ends: 2507 [2018-07-24 12:45:27,351 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 558 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2018-07-24 12:45:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2018-07-24 12:45:27,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2126. [2018-07-24 12:45:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2126 states. [2018-07-24 12:45:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 2816 transitions. [2018-07-24 12:45:27,433 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 2816 transitions. Word has length 140 [2018-07-24 12:45:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:27,433 INFO L471 AbstractCegarLoop]: Abstraction has 2126 states and 2816 transitions. [2018-07-24 12:45:27,434 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 12:45:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2816 transitions. [2018-07-24 12:45:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-24 12:45:27,441 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:27,442 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:45:27,442 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:27,442 INFO L82 PathProgramCache]: Analyzing trace with hash 816236212, now seen corresponding path program 1 times [2018-07-24 12:45:27,442 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:27,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:27,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:27,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:27,444 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:27,647 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:27,647 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:45:27,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:27,659 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:27,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:27,806 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:28,114 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:28,114 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:45:28,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:28,130 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:28,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:45:28,392 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-07-24 12:45:28,764 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:45:28,765 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 7, 9] total 14 [2018-07-24 12:45:28,765 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:45:28,766 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 12:45:28,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 12:45:28,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-07-24 12:45:28,766 INFO L87 Difference]: Start difference. First operand 2126 states and 2816 transitions. Second operand 7 states. [2018-07-24 12:45:30,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:30,525 INFO L93 Difference]: Finished difference Result 4976 states and 6880 transitions. [2018-07-24 12:45:30,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:45:30,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2018-07-24 12:45:30,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:30,542 INFO L225 Difference]: With dead ends: 4976 [2018-07-24 12:45:30,543 INFO L226 Difference]: Without dead ends: 2856 [2018-07-24 12:45:30,552 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 623 SyntacticMatches, 10 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-07-24 12:45:30,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2018-07-24 12:45:30,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2802. [2018-07-24 12:45:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2802 states. [2018-07-24 12:45:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3719 transitions. [2018-07-24 12:45:30,633 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3719 transitions. Word has length 160 [2018-07-24 12:45:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:30,633 INFO L471 AbstractCegarLoop]: Abstraction has 2802 states and 3719 transitions. [2018-07-24 12:45:30,633 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 12:45:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3719 transitions. [2018-07-24 12:45:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-24 12:45:30,644 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:30,644 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:45:30,644 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:30,644 INFO L82 PathProgramCache]: Analyzing trace with hash 472662611, now seen corresponding path program 1 times [2018-07-24 12:45:30,645 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:30,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:30,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:30,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:30,646 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-07-24 12:45:30,812 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:30,812 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:45:30,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:30,820 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:30,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:45:31,028 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:45:31,213 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:31,213 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:45:31,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:31,229 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:31,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:45:32,065 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-24 12:45:32,424 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:45:32,424 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-07-24 12:45:32,424 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:45:32,425 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:45:32,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:45:32,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-07-24 12:45:32,425 INFO L87 Difference]: Start difference. First operand 2802 states and 3719 transitions. Second operand 9 states. [2018-07-24 12:45:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:36,338 INFO L93 Difference]: Finished difference Result 6895 states and 9807 transitions. [2018-07-24 12:45:36,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-24 12:45:36,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2018-07-24 12:45:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:36,366 INFO L225 Difference]: With dead ends: 6895 [2018-07-24 12:45:36,366 INFO L226 Difference]: Without dead ends: 4099 [2018-07-24 12:45:36,382 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 714 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2018-07-24 12:45:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2018-07-24 12:45:36,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 3809. [2018-07-24 12:45:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3809 states. [2018-07-24 12:45:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 3809 states and 4741 transitions. [2018-07-24 12:45:36,505 INFO L78 Accepts]: Start accepts. Automaton has 3809 states and 4741 transitions. Word has length 177 [2018-07-24 12:45:36,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:36,505 INFO L471 AbstractCegarLoop]: Abstraction has 3809 states and 4741 transitions. [2018-07-24 12:45:36,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:45:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3809 states and 4741 transitions. [2018-07-24 12:45:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-24 12:45:36,517 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:36,517 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:45:36,517 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:45:36,518 INFO L82 PathProgramCache]: Analyzing trace with hash 424213674, now seen corresponding path program 1 times [2018-07-24 12:45:36,518 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:36,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:36,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:36,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:36,519 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:37,047 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-24 12:45:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 116 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-07-24 12:45:37,136 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:37,136 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:45:37,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:37,152 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:37,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-07-24 12:45:37,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-07-24 12:45:37,562 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:45:37,562 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:45:37,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:37,582 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:45:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:37,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:45:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-07-24 12:45:37,910 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:45:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-07-24 12:45:38,067 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:45:38,068 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 4, 4] total 13 [2018-07-24 12:45:38,068 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:45:38,069 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 12:45:38,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 12:45:38,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-07-24 12:45:38,069 INFO L87 Difference]: Start difference. First operand 3809 states and 4741 transitions. Second operand 8 states. [2018-07-24 12:45:39,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:39,680 INFO L93 Difference]: Finished difference Result 7332 states and 9250 transitions. [2018-07-24 12:45:39,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-24 12:45:39,683 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2018-07-24 12:45:39,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:39,683 INFO L225 Difference]: With dead ends: 7332 [2018-07-24 12:45:39,683 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 12:45:39,703 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 822 GetRequests, 799 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2018-07-24 12:45:39,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 12:45:39,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 12:45:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 12:45:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 12:45:39,704 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2018-07-24 12:45:39,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:39,704 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 12:45:39,704 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 12:45:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 12:45:39,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 12:45:39,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 12:45:39,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:39,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:39,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:39,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:39,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:39,926 WARN L169 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 151 [2018-07-24 12:45:39,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:39,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:40,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:40,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:40,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:45:40,099 WARN L169 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 151 [2018-07-24 12:45:40,795 WARN L169 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2018-07-24 12:45:42,450 WARN L169 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 149 DAG size of output: 45 [2018-07-24 12:45:42,956 WARN L169 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 45 [2018-07-24 12:45:46,298 WARN L169 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 101 DAG size of output: 54 [2018-07-24 12:45:46,323 INFO L421 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-07-24 12:45:46,323 INFO L421 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-07-24 12:45:46,323 INFO L421 ceAbstractionStarter]: For program point L502'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,323 INFO L421 ceAbstractionStarter]: For program point L514'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L526'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L538'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L406'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L418'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-07-24 12:45:46,324 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L403'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L415'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L427'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L439'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L409'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L529'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,325 INFO L421 ceAbstractionStarter]: For program point L505'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,326 INFO L421 ceAbstractionStarter]: For program point L517'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,326 INFO L421 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-07-24 12:45:46,326 INFO L421 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-07-24 12:45:46,326 INFO L421 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-07-24 12:45:46,326 INFO L421 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L417 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse12 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)|)) (.cse9 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)) (.cse8 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)|)) (.cse10 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)|)) (.cse7 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)| 1))) (.cse13 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)| 6))) (let ((.cse0 (let ((.cse15 (< 0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|))) (and (or .cse7 .cse15) (or .cse13 .cse15)))) (.cse2 (and (let ((.cse14 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 0))) (or (and .cse12 .cse14 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 6))) (and .cse12 .cse14 .cse9))) .cse8 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) .cse10)) (.cse5 (< 0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)|)) (.cse3 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0)| 13)) (.cse4 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 1))) (.cse6 (and (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0 13)) .cse12 .cse8 .cse10 .cse11)) (.cse1 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse4 (and .cse8 .cse9 .cse10 .cse11) .cse1) (or .cse0 .cse5 .cse2) (or (and .cse12 .cse8 .cse10 .cse11) .cse4 .cse13 .cse5) (or .cse3 .cse4 .cse6 .cse1)))) [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L508'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,327 INFO L421 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-07-24 12:45:46,328 INFO L421 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L481'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L493'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-07-24 12:45:46,329 INFO L421 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-07-24 12:45:46,330 INFO L421 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L490'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L394'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-07-24 12:45:46,331 INFO L421 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-07-24 12:45:46,332 INFO L421 ceAbstractionStarter]: For program point L460'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L472'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L484'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L496'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-07-24 12:45:46,333 INFO L421 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-07-24 12:45:46,334 INFO L421 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L397'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-07-24 12:45:46,335 INFO L421 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-07-24 12:45:46,336 INFO L421 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-07-24 12:45:46,337 INFO L421 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L550'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,338 INFO L421 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L562'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L466'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L478'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L571'(lines 571 573) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L499'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,339 INFO L421 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L451'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L463'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L475'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,340 INFO L421 ceAbstractionStarter]: For program point L487'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L541'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L553'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L433'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L445'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L457'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L469'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-07-24 12:45:46,341 INFO L421 ceAbstractionStarter]: For program point L421'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L430'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L391''(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L442'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L454'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L565'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L511'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L523'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L535'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L547'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L559'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,342 INFO L421 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L532'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L544'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L556'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L568'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L520'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L400'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L412'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L424'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L436'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,343 INFO L421 ceAbstractionStarter]: For program point L448'(lines 30 575) no Hoare annotation was computed. [2018-07-24 12:45:46,344 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 12:45:46,344 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)|)) [2018-07-24 12:45:46,344 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-07-24 12:45:46,344 INFO L417 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0 13)) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 5) (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0) (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0) (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) [2018-07-24 12:45:46,344 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 12:45:46,344 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 12:45:46,344 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 12:45:46,345 INFO L421 ceAbstractionStarter]: For program point L591'(line 591) no Hoare annotation was computed. [2018-07-24 12:45:46,345 INFO L417 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 6))) (.cse6 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0))) (let ((.cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0 13))) (.cse1 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)) (.cse2 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse4 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 0)) (.cse3 (let ((.cse7 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 0))) (or (and .cse7 .cse5) (and .cse7 .cse6))))) (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse3 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)|)) (and .cse0 .cse4 .cse2) (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0)| 13) (and .cse4 (and .cse5 .cse2)) (and .cse6 .cse1 .cse2) (and .cse4 .cse3) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)| 1)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)| 1)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)| 5))))) [2018-07-24 12:45:46,345 INFO L421 ceAbstractionStarter]: For program point L583(lines 583 593) no Hoare annotation was computed. [2018-07-24 12:45:46,345 INFO L421 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-07-24 12:45:46,345 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-07-24 12:45:46,345 INFO L417 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0)| 13) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)| 1)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 1)) (and (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0 13)) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)|) (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)|) (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)| 1)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)| 5))) [2018-07-24 12:45:46,346 INFO L417 ceAbstractionStarter]: At program point L583''(lines 583 593) the Hoare annotation is: (let ((.cse5 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0 6))) (.cse6 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0))) (let ((.cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0 13))) (.cse1 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)) (.cse2 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse4 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 0)) (.cse3 (let ((.cse7 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 0))) (or (and .cse7 .cse5) (and .cse7 .cse6))))) (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 1)) (and .cse0 .cse1 .cse2) (and .cse3 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)|)) (and .cse0 .cse4 .cse2) (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8~0)| 13) (and .cse4 (and .cse5 .cse2)) (and .cse6 .cse1 .cse2) (and .cse4 .cse3) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20~0)| 1)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17~0)| 1)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16~0)| 5))))) [2018-07-24 12:45:46,346 INFO L421 ceAbstractionStarter]: For program point L583'''(lines 577 594) no Hoare annotation was computed. [2018-07-24 12:45:46,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:45:46 BoogieIcfgContainer [2018-07-24 12:45:46,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:45:46,367 INFO L168 Benchmark]: Toolchain (without parser) took 41570.58 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -381.4 MB). Peak memory consumption was 811.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:45:46,368 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 12:45:46,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:45:46,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:45:46,370 INFO L168 Benchmark]: Boogie Preprocessor took 219.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -877.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:45:46,371 INFO L168 Benchmark]: RCFGBuilder took 3343.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:45:46,371 INFO L168 Benchmark]: TraceAbstraction took 37051.99 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 418.9 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 325.0 MB). Peak memory consumption was 743.9 MB. Max. memory is 7.1 GB. [2018-07-24 12:45:46,376 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 829.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 121.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 219.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -877.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3343.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37051.99 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 418.9 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 325.0 MB). Peak memory consumption was 743.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) == 1) || ((!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8 == 13) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || (((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 <= 0 && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16 == 6)) || (__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 <= 0 && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17))) || ((!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8 == 13) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17 <= 0) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a8) == 13) || (__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17 <= 0 && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16 == 6) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || ((1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20 && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || (__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17 <= 0 && ((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 <= 0 && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16 == 6)) || (__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 <= 0 && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20)))) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a20) == 1)) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a17) == 1)) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a16) == 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 36.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 20.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 781 SDtfs, 6316 SDslu, 1056 SDs, 0 SdLazy, 9011 SolverSat, 1964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3373 GetRequests, 3232 SyntacticMatches, 30 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3809occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 746 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 170 NumberOfFragments, 496 HoareAnnotationTreeSize, 110 FomulaSimplifications, 19547 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8992 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2738 NumberOfCodeBlocks, 2738 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4336 ConstructedInterpolants, 0 QuantifiedInterpolants, 1892787 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4788 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 28 InterpolantComputations, 4 PerfectInterpolantSequences, 2151/2397 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-45-46-397.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-45-46-397.csv Received shutdown request...