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/Problem14_label42_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 14:28:36,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 14:28:36,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 14:28:36,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 14:28:36,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 14:28:36,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 14:28:36,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 14:28:36,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 14:28:36,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 14:28:36,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 14:28:36,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 14:28:36,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 14:28:36,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 14:28:36,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 14:28:36,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 14:28:36,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 14:28:36,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 14:28:36,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 14:28:36,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 14:28:36,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 14:28:36,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 14:28:36,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 14:28:36,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 14:28:36,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 14:28:36,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 14:28:36,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 14:28:36,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 14:28:36,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 14:28:36,834 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 14:28:36,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 14:28:36,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 14:28:36,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 14:28:36,836 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 14:28:36,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 14:28:36,837 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 14:28:36,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 14:28:36,838 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 14:28:36,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 14:28:36,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 14:28:36,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 14:28:36,855 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 14:28:36,856 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 14:28:36,856 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 14:28:36,856 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 14:28:36,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 14:28:36,856 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 14:28:36,857 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 14:28:36,857 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 14:28:36,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 14:28:36,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 14:28:36,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 14:28:36,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 14:28:36,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 14:28:36,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 14:28:36,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 14:28:36,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 14:28:36,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 14:28:36,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 14:28:36,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 14:28:36,860 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 14:28:36,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:28:36,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 14:28:36,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 14:28:36,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 14:28:36,861 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 14:28:36,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 14:28:36,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 14:28:36,861 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 14:28:36,861 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 14:28:36,862 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 14:28:36,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 14:28:36,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 14:28:36,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 14:28:36,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 14:28:36,928 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 14:28:36,929 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-07-24 14:28:37,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e61cde2/10c99b5c32b546d4854e0ff5c3226916/FLAG2e224f4c7 [2018-07-24 14:28:37,566 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 14:28:37,567 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-07-24 14:28:37,594 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e61cde2/10c99b5c32b546d4854e0ff5c3226916/FLAG2e224f4c7 [2018-07-24 14:28:37,619 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e61cde2/10c99b5c32b546d4854e0ff5c3226916 [2018-07-24 14:28:37,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 14:28:37,633 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 14:28:37,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 14:28:37,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 14:28:37,641 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 14:28:37,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:28:37" (1/1) ... [2018-07-24 14:28:37,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c5d332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:37, skipping insertion in model container [2018-07-24 14:28:37,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:28:37" (1/1) ... [2018-07-24 14:28:37,887 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 14:28:38,230 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:28:38,246 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 14:28:38,389 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:28:38,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38 WrapperNode [2018-07-24 14:28:38,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 14:28:38,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 14:28:38,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 14:28:38,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 14:28:38,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 14:28:38,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 14:28:38,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 14:28:38,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 14:28:38,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (1/1) ... [2018-07-24 14:28:38,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 14:28:38,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 14:28:38,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 14:28:38,843 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 14:28:38,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (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 14:28:38,914 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 14:28:38,914 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 14:28:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 14:28:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 14:28:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 14:28:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 14:28:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 14:28:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 14:28:42,573 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 14:28:42,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:28:42 BoogieIcfgContainer [2018-07-24 14:28:42,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 14:28:42,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 14:28:42,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 14:28:42,579 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 14:28:42,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:28:37" (1/3) ... [2018-07-24 14:28:42,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db0fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:28:42, skipping insertion in model container [2018-07-24 14:28:42,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:28:38" (2/3) ... [2018-07-24 14:28:42,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db0fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:28:42, skipping insertion in model container [2018-07-24 14:28:42,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:28:42" (3/3) ... [2018-07-24 14:28:42,583 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label42_true-unreach-call_false-termination.c [2018-07-24 14:28:42,593 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 14:28:42,603 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 14:28:42,657 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 14:28:42,658 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 14:28:42,658 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 14:28:42,658 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 14:28:42,658 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 14:28:42,659 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 14:28:42,659 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 14:28:42,659 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 14:28:42,659 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 14:28:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-24 14:28:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-24 14:28:42,693 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:42,694 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] [2018-07-24 14:28:42,695 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 14:28:42,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1021980375, now seen corresponding path program 1 times [2018-07-24 14:28:42,702 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:42,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:42,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:42,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:42,755 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:43,125 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 14:28:43,128 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:28:43,128 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 14:28:43,128 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:43,138 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 14:28:43,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 14:28:43,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:28:43,161 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-24 14:28:45,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:45,151 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-24 14:28:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 14:28:45,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-07-24 14:28:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:45,176 INFO L225 Difference]: With dead ends: 691 [2018-07-24 14:28:45,176 INFO L226 Difference]: Without dead ends: 434 [2018-07-24 14:28:45,185 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:28:45,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-24 14:28:45,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-24 14:28:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-24 14:28:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-07-24 14:28:45,283 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 49 [2018-07-24 14:28:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:45,284 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-07-24 14:28:45,284 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 14:28:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-07-24 14:28:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-24 14:28:45,299 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:45,300 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:28:45,300 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 14:28:45,300 INFO L82 PathProgramCache]: Analyzing trace with hash -772896945, now seen corresponding path program 1 times [2018-07-24 14:28:45,301 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:45,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:45,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:45,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:45,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:45,742 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:28:45,742 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 14:28:45,742 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:45,744 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:28:45,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:28:45,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:28:45,745 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-07-24 14:28:47,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:47,791 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-07-24 14:28:47,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 14:28:47,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-07-24 14:28:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:47,799 INFO L225 Difference]: With dead ends: 1062 [2018-07-24 14:28:47,799 INFO L226 Difference]: Without dead ends: 634 [2018-07-24 14:28:47,803 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 14:28:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-07-24 14:28:47,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-07-24 14:28:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-07-24 14:28:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-07-24 14:28:47,845 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 136 [2018-07-24 14:28:47,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:47,846 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-07-24 14:28:47,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 14:28:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-07-24 14:28:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-24 14:28:47,850 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:47,850 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:28:47,850 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 14:28:47,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1638264890, now seen corresponding path program 1 times [2018-07-24 14:28:47,851 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:47,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:47,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:47,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:47,852 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:48,028 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:28:48,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:28:48,028 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:48,029 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:28:48,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:28:48,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:28:48,030 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-07-24 14:28:51,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:51,557 INFO L93 Difference]: Finished difference Result 2352 states and 4016 transitions. [2018-07-24 14:28:51,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:28:51,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2018-07-24 14:28:51,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:51,584 INFO L225 Difference]: With dead ends: 2352 [2018-07-24 14:28:51,584 INFO L226 Difference]: Without dead ends: 1733 [2018-07-24 14:28:51,591 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:28:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-07-24 14:28:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-07-24 14:28:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-07-24 14:28:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2647 transitions. [2018-07-24 14:28:51,681 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2647 transitions. Word has length 145 [2018-07-24 14:28:51,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:51,682 INFO L471 AbstractCegarLoop]: Abstraction has 1733 states and 2647 transitions. [2018-07-24 14:28:51,682 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:28:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2647 transitions. [2018-07-24 14:28:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-24 14:28:51,704 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:51,704 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:28:51,705 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 14:28:51,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2042073586, now seen corresponding path program 1 times [2018-07-24 14:28:51,705 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:51,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:51,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:51,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:51,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 84 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:52,244 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:52,245 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 14:28:52,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:52,254 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:52,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-24 14:28:52,966 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:53,277 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-24 14:28:53,390 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-24 14:28:53,539 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-07-24 14:28:54,046 WARN L169 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-24 14:28:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 84 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:54,453 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:28:54,453 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-07-24 14:28:54,453 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:54,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:28:54,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:28:54,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-07-24 14:28:54,455 INFO L87 Difference]: Start difference. First operand 1733 states and 2647 transitions. Second operand 5 states. [2018-07-24 14:28:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:58,788 INFO L93 Difference]: Finished difference Result 4895 states and 7479 transitions. [2018-07-24 14:28:58,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:28:58,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2018-07-24 14:28:58,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:58,809 INFO L225 Difference]: With dead ends: 4895 [2018-07-24 14:28:58,810 INFO L226 Difference]: Without dead ends: 3168 [2018-07-24 14:28:58,821 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 543 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-07-24 14:28:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2018-07-24 14:28:58,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3119. [2018-07-24 14:28:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3119 states. [2018-07-24 14:28:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4564 transitions. [2018-07-24 14:28:58,913 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4564 transitions. Word has length 274 [2018-07-24 14:28:58,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:58,914 INFO L471 AbstractCegarLoop]: Abstraction has 3119 states and 4564 transitions. [2018-07-24 14:28:58,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:28:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4564 transitions. [2018-07-24 14:28:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-07-24 14:28:58,930 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:58,930 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:28:58,931 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 14:28:58,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2146744798, now seen corresponding path program 1 times [2018-07-24 14:28:58,931 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:58,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:58,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:58,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:58,933 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 214 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:59,973 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:59,974 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:28:59,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:59,986 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:00,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 312 proven. 53 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-24 14:29:00,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 136 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:01,402 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:01,402 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 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:01,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:01,419 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:01,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 312 proven. 53 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-24 14:29:02,073 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 136 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:02,858 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:02,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8, 8, 8] total 26 [2018-07-24 14:29:02,859 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:02,861 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-24 14:29:02,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-24 14:29:02,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-07-24 14:29:02,862 INFO L87 Difference]: Start difference. First operand 3119 states and 4564 transitions. Second operand 15 states. [2018-07-24 14:29:03,902 WARN L169 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-24 14:29:06,381 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-07-24 14:29:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:08,693 INFO L93 Difference]: Finished difference Result 7593 states and 11040 transitions. [2018-07-24 14:29:08,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-24 14:29:08,694 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 359 [2018-07-24 14:29:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:08,715 INFO L225 Difference]: With dead ends: 7593 [2018-07-24 14:29:08,715 INFO L226 Difference]: Without dead ends: 4279 [2018-07-24 14:29:08,735 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1480 GetRequests, 1433 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=431, Invalid=1375, Unknown=0, NotChecked=0, Total=1806 [2018-07-24 14:29:08,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4279 states. [2018-07-24 14:29:08,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4279 to 3856. [2018-07-24 14:29:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3856 states. [2018-07-24 14:29:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 5033 transitions. [2018-07-24 14:29:08,846 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 5033 transitions. Word has length 359 [2018-07-24 14:29:08,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:08,847 INFO L471 AbstractCegarLoop]: Abstraction has 3856 states and 5033 transitions. [2018-07-24 14:29:08,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-24 14:29:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 5033 transitions. [2018-07-24 14:29:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-07-24 14:29:08,869 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:08,870 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:08,870 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 14:29:08,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1560968679, now seen corresponding path program 1 times [2018-07-24 14:29:08,870 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:08,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:08,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:08,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:08,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 261 proven. 197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:29:09,475 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:09,475 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:09,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:09,485 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:09,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-07-24 14:29:09,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 126 proven. 210 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-07-24 14:29:10,116 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:29:10,116 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 5] total 16 [2018-07-24 14:29:10,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:29:10,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:29:10,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:29:10,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:29:10,118 INFO L87 Difference]: Start difference. First operand 3856 states and 5033 transitions. Second operand 5 states. [2018-07-24 14:29:12,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:12,789 INFO L93 Difference]: Finished difference Result 10932 states and 14499 transitions. [2018-07-24 14:29:12,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:29:12,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 384 [2018-07-24 14:29:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:12,818 INFO L225 Difference]: With dead ends: 10932 [2018-07-24 14:29:12,818 INFO L226 Difference]: Without dead ends: 7082 [2018-07-24 14:29:12,840 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 786 GetRequests, 766 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-07-24 14:29:12,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7082 states. [2018-07-24 14:29:12,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7082 to 6416. [2018-07-24 14:29:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6416 states. [2018-07-24 14:29:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6416 states to 6416 states and 8244 transitions. [2018-07-24 14:29:12,998 INFO L78 Accepts]: Start accepts. Automaton has 6416 states and 8244 transitions. Word has length 384 [2018-07-24 14:29:12,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:12,999 INFO L471 AbstractCegarLoop]: Abstraction has 6416 states and 8244 transitions. [2018-07-24 14:29:12,999 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:29:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6416 states and 8244 transitions. [2018-07-24 14:29:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2018-07-24 14:29:13,033 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:13,033 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:13,033 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 14:29:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash -532383297, now seen corresponding path program 1 times [2018-07-24 14:29:13,034 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:13,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:13,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:13,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:13,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 400 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:29:13,712 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:13,712 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 14:29:13,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:13,721 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:13,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 680 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-07-24 14:29:14,294 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:14,607 WARN L169 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-24 14:29:14,837 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2018-07-24 14:29:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 400 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:29:15,196 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:15,196 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 14:29:15,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:15,214 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:15,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 674 proven. 8 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-07-24 14:29:15,911 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 400 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:29:16,741 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:16,742 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 8, 5] total 16 [2018-07-24 14:29:16,742 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:16,743 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 14:29:16,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 14:29:16,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:29:16,744 INFO L87 Difference]: Start difference. First operand 6416 states and 8244 transitions. Second operand 7 states. [2018-07-24 14:29:19,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:19,609 INFO L93 Difference]: Finished difference Result 14395 states and 18836 transitions. [2018-07-24 14:29:19,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 14:29:19,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 495 [2018-07-24 14:29:19,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:19,640 INFO L225 Difference]: With dead ends: 14395 [2018-07-24 14:29:19,641 INFO L226 Difference]: Without dead ends: 7985 [2018-07-24 14:29:19,674 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2000 GetRequests, 1970 SyntacticMatches, 11 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-07-24 14:29:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7985 states. [2018-07-24 14:29:19,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7985 to 7716. [2018-07-24 14:29:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7716 states. [2018-07-24 14:29:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7716 states to 7716 states and 9416 transitions. [2018-07-24 14:29:19,930 INFO L78 Accepts]: Start accepts. Automaton has 7716 states and 9416 transitions. Word has length 495 [2018-07-24 14:29:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:19,931 INFO L471 AbstractCegarLoop]: Abstraction has 7716 states and 9416 transitions. [2018-07-24 14:29:19,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 14:29:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7716 states and 9416 transitions. [2018-07-24 14:29:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2018-07-24 14:29:19,970 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:19,970 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:19,970 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 14:29:19,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1909945295, now seen corresponding path program 1 times [2018-07-24 14:29:19,971 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:19,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:19,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:19,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:19,973 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:20,599 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:29:20,792 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:29:21,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 541 proven. 481 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-07-24 14:29:21,575 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:21,575 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 14:29:21,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:21,583 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:21,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 895 proven. 2 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-07-24 14:29:22,488 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:22,794 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:29:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 535 proven. 111 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2018-07-24 14:29:23,175 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:23,175 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 14:29:23,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:23,194 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:23,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 687 proven. 210 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-07-24 14:29:24,011 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 246 proven. 689 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-07-24 14:29:24,854 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:24,855 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-07-24 14:29:24,855 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:24,856 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-24 14:29:24,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-24 14:29:24,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:29:24,857 INFO L87 Difference]: Start difference. First operand 7716 states and 9416 transitions. Second operand 13 states. [2018-07-24 14:29:28,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:28,698 INFO L93 Difference]: Finished difference Result 16072 states and 20152 transitions. [2018-07-24 14:29:28,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-24 14:29:28,698 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 580 [2018-07-24 14:29:28,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:28,733 INFO L225 Difference]: With dead ends: 16072 [2018-07-24 14:29:28,734 INFO L226 Difference]: Without dead ends: 8161 [2018-07-24 14:29:28,755 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2350 GetRequests, 2309 SyntacticMatches, 17 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-07-24 14:29:28,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8161 states. [2018-07-24 14:29:28,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8161 to 7881. [2018-07-24 14:29:28,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7881 states. [2018-07-24 14:29:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 9307 transitions. [2018-07-24 14:29:28,939 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 9307 transitions. Word has length 580 [2018-07-24 14:29:28,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:28,940 INFO L471 AbstractCegarLoop]: Abstraction has 7881 states and 9307 transitions. [2018-07-24 14:29:28,940 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-24 14:29:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 9307 transitions. [2018-07-24 14:29:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2018-07-24 14:29:28,971 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:28,972 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:28,972 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__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 14:29:28,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1861912669, now seen corresponding path program 2 times [2018-07-24 14:29:28,973 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:28,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:28,974 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 567 proven. 533 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-07-24 14:29:30,870 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:30,870 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 14:29:30,881 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-24 14:29:30,881 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-24 14:29:31,079 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-24 14:29:31,079 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-24 14:29:31,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 947 proven. 2 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-07-24 14:29:31,588 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 561 proven. 111 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-07-24 14:29:32,419 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:32,419 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 14:29:32,435 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-24 14:29:32,435 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-24 14:29:32,866 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-24 14:29:32,867 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-24 14:29:32,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 932 proven. 17 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-07-24 14:29:33,672 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:34,016 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-07-24 14:29:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 240 proven. 747 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-07-24 14:29:35,982 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:35,982 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5, 10, 11] total 31 [2018-07-24 14:29:35,982 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:35,984 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-24 14:29:35,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-24 14:29:35,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2018-07-24 14:29:35,985 INFO L87 Difference]: Start difference. First operand 7881 states and 9307 transitions. Second operand 18 states. [2018-07-24 14:29:36,812 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-07-24 14:29:39,232 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2018-07-24 14:29:41,193 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-07-24 14:29:41,652 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-07-24 14:29:41,962 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-07-24 14:29:45,020 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-07-24 14:29:46,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:46,727 INFO L93 Difference]: Finished difference Result 19874 states and 24158 transitions. [2018-07-24 14:29:46,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-24 14:29:46,727 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 606 [2018-07-24 14:29:46,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:46,772 INFO L225 Difference]: With dead ends: 19874 [2018-07-24 14:29:46,772 INFO L226 Difference]: Without dead ends: 11999 [2018-07-24 14:29:46,805 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2501 GetRequests, 2422 SyntacticMatches, 14 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=812, Invalid=3610, Unknown=0, NotChecked=0, Total=4422 [2018-07-24 14:29:46,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11999 states. [2018-07-24 14:29:46,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11999 to 11268. [2018-07-24 14:29:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11268 states. [2018-07-24 14:29:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11268 states to 11268 states and 12850 transitions. [2018-07-24 14:29:47,012 INFO L78 Accepts]: Start accepts. Automaton has 11268 states and 12850 transitions. Word has length 606 [2018-07-24 14:29:47,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:47,013 INFO L471 AbstractCegarLoop]: Abstraction has 11268 states and 12850 transitions. [2018-07-24 14:29:47,013 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-24 14:29:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 11268 states and 12850 transitions. [2018-07-24 14:29:47,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2018-07-24 14:29:47,038 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:47,039 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:47,039 INFO L414 AbstractCegarLoop]: === Iteration 10 === [__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 14:29:47,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1212171765, now seen corresponding path program 1 times [2018-07-24 14:29:47,039 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:47,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:47,040 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-24 14:29:47,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:47,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 568 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-07-24 14:29:48,095 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:48,096 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:48,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:48,111 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:48,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 955 proven. 2 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-07-24 14:29:48,654 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 568 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-07-24 14:29:49,004 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:49,005 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 13 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 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:49,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:49,020 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:49,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 955 proven. 2 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-07-24 14:29:49,850 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 568 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-07-24 14:29:50,212 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:50,212 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 9 [2018-07-24 14:29:50,213 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:50,214 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 14:29:50,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 14:29:50,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-07-24 14:29:50,215 INFO L87 Difference]: Start difference. First operand 11268 states and 12850 transitions. Second operand 7 states. [2018-07-24 14:29:54,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:54,060 INFO L93 Difference]: Finished difference Result 30818 states and 40305 transitions. [2018-07-24 14:29:54,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-24 14:29:54,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 680 [2018-07-24 14:29:54,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:54,178 INFO L225 Difference]: With dead ends: 30818 [2018-07-24 14:29:54,178 INFO L226 Difference]: Without dead ends: 19739 [2018-07-24 14:29:54,278 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2736 GetRequests, 2721 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-07-24 14:29:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19739 states. [2018-07-24 14:29:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19739 to 19279. [2018-07-24 14:29:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19279 states. [2018-07-24 14:29:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19279 states to 19279 states and 22388 transitions. [2018-07-24 14:29:54,737 INFO L78 Accepts]: Start accepts. Automaton has 19279 states and 22388 transitions. Word has length 680 [2018-07-24 14:29:54,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:54,739 INFO L471 AbstractCegarLoop]: Abstraction has 19279 states and 22388 transitions. [2018-07-24 14:29:54,739 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 14:29:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 19279 states and 22388 transitions. [2018-07-24 14:29:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2018-07-24 14:29:54,763 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:54,764 INFO L353 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:54,764 INFO L414 AbstractCegarLoop]: === Iteration 11 === [__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 14:29:54,764 INFO L82 PathProgramCache]: Analyzing trace with hash -448130418, now seen corresponding path program 1 times [2018-07-24 14:29:54,764 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:54,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:54,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:54,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:54,766 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:56,237 WARN L169 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-07-24 14:29:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 831 proven. 828 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2018-07-24 14:29:57,426 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:57,426 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:57,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:57,434 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:57,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:58,570 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-24 14:29:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1352 proven. 2 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2018-07-24 14:29:58,884 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:59,220 WARN L169 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-07-24 14:30:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 819 proven. 111 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2018-07-24 14:30:00,086 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:00,086 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 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:00,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:00,102 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:00,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1344 proven. 10 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2018-07-24 14:30:01,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:01,484 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-07-24 14:30:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 324 proven. 1068 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-07-24 14:30:02,748 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:02,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 8, 8] total 28 [2018-07-24 14:30:02,749 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:02,750 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-24 14:30:02,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-24 14:30:02,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2018-07-24 14:30:02,750 INFO L87 Difference]: Start difference. First operand 19279 states and 22388 transitions. Second operand 17 states. [2018-07-24 14:30:11,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:11,922 INFO L93 Difference]: Finished difference Result 38258 states and 46900 transitions. [2018-07-24 14:30:11,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-24 14:30:11,922 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 769 [2018-07-24 14:30:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:12,006 INFO L225 Difference]: With dead ends: 38258 [2018-07-24 14:30:12,006 INFO L226 Difference]: Without dead ends: 18384 [2018-07-24 14:30:12,089 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3159 GetRequests, 3082 SyntacticMatches, 7 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1403 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1098, Invalid=4014, Unknown=0, NotChecked=0, Total=5112 [2018-07-24 14:30:12,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18384 states. [2018-07-24 14:30:12,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18384 to 17896. [2018-07-24 14:30:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17896 states. [2018-07-24 14:30:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17896 states to 17896 states and 20346 transitions. [2018-07-24 14:30:12,490 INFO L78 Accepts]: Start accepts. Automaton has 17896 states and 20346 transitions. Word has length 769 [2018-07-24 14:30:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:12,491 INFO L471 AbstractCegarLoop]: Abstraction has 17896 states and 20346 transitions. [2018-07-24 14:30:12,491 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-24 14:30:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17896 states and 20346 transitions. [2018-07-24 14:30:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2018-07-24 14:30:12,507 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:12,508 INFO L353 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:12,508 INFO L414 AbstractCegarLoop]: === Iteration 12 === [__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 14:30:12,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1576725498, now seen corresponding path program 1 times [2018-07-24 14:30:12,508 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:12,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:12,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:12,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:12,510 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:13,036 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 14:30:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 707 proven. 551 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-07-24 14:30:14,476 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:14,476 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:30:14,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:14,485 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:14,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 1272 proven. 2 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2018-07-24 14:30:15,165 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 778 proven. 111 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2018-07-24 14:30:15,648 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:15,648 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 17 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 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:15,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:15,664 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:16,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 1272 proven. 2 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2018-07-24 14:30:16,554 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 778 proven. 111 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2018-07-24 14:30:16,989 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:16,990 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 16 [2018-07-24 14:30:16,990 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:16,991 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-24 14:30:16,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-24 14:30:16,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:30:16,992 INFO L87 Difference]: Start difference. First operand 17896 states and 20346 transitions. Second operand 14 states. [2018-07-24 14:30:26,665 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 14:30:29,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:29,754 INFO L93 Difference]: Finished difference Result 35727 states and 41172 transitions. [2018-07-24 14:30:29,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-24 14:30:29,754 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 840 [2018-07-24 14:30:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:29,805 INFO L225 Difference]: With dead ends: 35727 [2018-07-24 14:30:29,805 INFO L226 Difference]: Without dead ends: 17694 [2018-07-24 14:30:29,860 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3527 GetRequests, 3424 SyntacticMatches, 5 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3630 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1617, Invalid=8283, Unknown=0, NotChecked=0, Total=9900 [2018-07-24 14:30:29,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17694 states. [2018-07-24 14:30:30,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17694 to 17205. [2018-07-24 14:30:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17205 states. [2018-07-24 14:30:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17205 states to 17205 states and 18968 transitions. [2018-07-24 14:30:30,120 INFO L78 Accepts]: Start accepts. Automaton has 17205 states and 18968 transitions. Word has length 840 [2018-07-24 14:30:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:30,121 INFO L471 AbstractCegarLoop]: Abstraction has 17205 states and 18968 transitions. [2018-07-24 14:30:30,121 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-24 14:30:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 17205 states and 18968 transitions. [2018-07-24 14:30:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2018-07-24 14:30:30,138 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:30,139 INFO L353 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:30:30,139 INFO L414 AbstractCegarLoop]: === Iteration 13 === [__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 14:30:30,139 INFO L82 PathProgramCache]: Analyzing trace with hash -577011059, now seen corresponding path program 1 times [2018-07-24 14:30:30,139 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:30,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:30,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:30,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:30,141 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3245 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 2888 trivial. 0 not checked. [2018-07-24 14:30:31,084 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:30:31,084 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:30:31,084 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:30:31,085 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:30:31,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:30:31,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:30:31,086 INFO L87 Difference]: Start difference. First operand 17205 states and 18968 transitions. Second operand 4 states. [2018-07-24 14:30:32,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:32,636 INFO L93 Difference]: Finished difference Result 36854 states and 40824 transitions. [2018-07-24 14:30:32,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:30:32,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1081 [2018-07-24 14:30:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:32,638 INFO L225 Difference]: With dead ends: 36854 [2018-07-24 14:30:32,638 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 14:30:32,707 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:30:32,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 14:30:32,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 14:30:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 14:30:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 14:30:32,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1081 [2018-07-24 14:30:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:32,708 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 14:30:32,709 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:30:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 14:30:32,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 14:30:32,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 14:30:32,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:32,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:32,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:34,289 WARN L169 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 664 DAG size of output: 627 [2018-07-24 14:30:34,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:34,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:34,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:35,916 WARN L169 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 664 DAG size of output: 627 [2018-07-24 14:30:36,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:36,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:36,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:36,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:36,680 WARN L169 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2018-07-24 14:30:42,113 WARN L169 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 630 DAG size of output: 59 [2018-07-24 14:30:47,855 WARN L169 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 630 DAG size of output: 59 [2018-07-24 14:30:49,475 WARN L169 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2018-07-24 14:30:49,496 INFO L421 ceAbstractionStarter]: For program point L90'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,496 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 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L93'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L72'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L192'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L96'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,497 INFO L421 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L99'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L51'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L75'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L150'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L174'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L198'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,498 INFO L421 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-07-24 14:30:49,499 INFO L421 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-07-24 14:30:49,499 INFO L421 ceAbstractionStarter]: For program point L195'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,499 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 20 872) the Hoare annotation is: (let ((.cse1 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 7)) (.cse0 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 9)) (.cse5 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 9)) (.cse2 (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__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)|))) (.cse3 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 10)) (.cse4 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 6)) .cse0 .cse2 (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) .cse1 .cse3) (or .cse2 .cse5 (<= (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 43) 0) .cse3 .cse4) (or (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 12) .cse3 .cse4 .cse2) (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 8)) .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 10) .cse2 .cse3 .cse4))) [2018-07-24 14:30:49,499 INFO L421 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-07-24 14:30:49,499 INFO L421 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-07-24 14:30:49,499 INFO L421 ceAbstractionStarter]: For program point L171'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L153'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L177'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-07-24 14:30:49,500 INFO L421 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L78'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,501 INFO L421 ceAbstractionStarter]: For program point L30'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L54'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L33'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L57'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-07-24 14:30:49,502 INFO L421 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-07-24 14:30:49,503 INFO L421 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-07-24 14:30:49,504 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 130) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L159'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-07-24 14:30:49,504 INFO L421 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L132'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L156'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L36'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,505 INFO L421 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L39'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L114'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L138'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-07-24 14:30:49,506 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 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,506 INFO L421 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L135'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L111'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-07-24 14:30:49,507 INFO L421 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L201'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L117'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-07-24 14:30:49,508 INFO L421 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-07-24 14:30:49,509 INFO L421 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L81'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-07-24 14:30:49,510 INFO L421 ceAbstractionStarter]: For program point L60'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L180'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L84'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L63'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L87'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L162'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,511 INFO L421 ceAbstractionStarter]: For program point L186'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L183'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L141'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L165'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L189'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,512 INFO L421 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L66'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L42'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L45'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L69'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-07-24 14:30:49,513 INFO L421 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L21''(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L147'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-07-24 14:30:49,514 INFO L421 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L120'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L144'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L168'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L48'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L24'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L27'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L126'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L102'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,515 INFO L421 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L123'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L105'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L129'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point L108'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 14:30:49,516 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__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__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__a12~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|)) [2018-07-24 14:30:49,516 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-07-24 14:30:49,517 INFO L417 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0) (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) [2018-07-24 14:30:49,517 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 14:30:49,517 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 14:30:49,517 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 14:30:49,517 INFO L421 ceAbstractionStarter]: For program point L880(lines 880 889) no Hoare annotation was computed. [2018-07-24 14:30:49,517 INFO L421 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-07-24 14:30:49,517 INFO L417 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 7))) (.cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 10))) (.cse1 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)) (.cse2 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 9))) (.cse4 (not (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)))) (or (and .cse0 (<= 12 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) .cse1) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 8)) (and .cse0 (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) .cse1) (and .cse0 (and .cse1 (<= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (and .cse0 (< 0 (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 43)) (and .cse1 .cse4)) (and .cse0 (and .cse2 .cse3 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (< 7 |old(~__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)| 7) (and .cse0 (and .cse1 .cse2 .cse4)))) [2018-07-24 14:30:49,517 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-07-24 14:30:49,517 INFO L417 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 8)) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__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)|)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1))) [2018-07-24 14:30:49,518 INFO L421 ceAbstractionStarter]: For program point L888'(line 888) no Hoare annotation was computed. [2018-07-24 14:30:49,518 INFO L421 ceAbstractionStarter]: For program point L880'''(lines 874 890) no Hoare annotation was computed. [2018-07-24 14:30:49,518 INFO L417 ceAbstractionStarter]: At program point L880''(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 7))) (.cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 10))) (.cse1 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)) (.cse2 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 9))) (.cse4 (not (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)))) (or (and .cse0 (<= 12 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) .cse1) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 8)) (and .cse0 (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) .cse1) (and .cse0 (and .cse1 (<= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (and .cse0 (< 0 (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 43)) (and .cse1 .cse4)) (and .cse0 (and .cse2 .cse3 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (< 7 |old(~__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)| 7) (and .cse0 (and .cse1 .cse2 .cse4)))) [2018-07-24 14:30:49,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 02:30:49 BoogieIcfgContainer [2018-07-24 14:30:49,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 14:30:49,542 INFO L168 Benchmark]: Toolchain (without parser) took 131909.71 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-07-24 14:30:49,543 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 14:30:49,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.75 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-24 14:30:49,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.85 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 14:30:49,545 INFO L168 Benchmark]: Boogie Preprocessor took 290.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -914.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2018-07-24 14:30:49,545 INFO L168 Benchmark]: RCFGBuilder took 3731.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 149.7 MB). Peak memory consumption was 149.7 MB. Max. memory is 7.1 GB. [2018-07-24 14:30:49,546 INFO L168 Benchmark]: TraceAbstraction took 126965.73 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-24 14:30:49,550 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 807.75 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 108.85 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 290.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -914.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3731.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 149.7 MB). Peak memory consumption was 149.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 126965.73 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && 12 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) || 0 < \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) + 49) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) == 1)) || (!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && (1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 9)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 7))) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) == 8)) || ((!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && 8 == __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__a24)) || (!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && 10 <= __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__a15 == 10) && 0 < __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 + 43) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && !(9 == __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__a15 == 10) && ((!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 9) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 7)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 + 49 <= 0) && 6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || 7 < \old(__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__a21) < 7) || (!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && (1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 9)) && !(9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 126.8s OverallTime, 13 OverallIterations, 9 TraceHistogramMax, 66.1s AutomataDifference, 0.0s DeadEndRemovalTime, 16.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1616 SDtfs, 28664 SDslu, 2732 SDs, 0 SdLazy, 34359 SolverSat, 5661 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19122 GetRequests, 18680 SyntacticMatches, 71 SemanticMatches, 371 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7183 ImplicationChecksByTransitivity, 21.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19279occurred in iteration=10, 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: 2.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 3864 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 414 PreInvPairs, 588 NumberOfFragments, 516 HoareAnnotationTreeSize, 414 FomulaSimplifications, 214271 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 195150 FormulaSimplificationTreeSizeReductionInter, 13.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 30.9s InterpolantComputationTime, 15714 NumberOfCodeBlocks, 15714 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 24985 ConstructedInterpolants, 0 QuantifiedInterpolants, 74092406 SizeOfPredicates, 60 NumberOfNonLiveVariables, 13876 ConjunctsInSsa, 310 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 44122/51951 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/Problem14_label42_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_14-30-49-566.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label42_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_14-30-49-566.csv Received shutdown request...