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_label32_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 14:27:51,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 14:27:51,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 14:27:51,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 14:27:51,861 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 14:27:51,863 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 14:27:51,864 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 14:27:51,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 14:27:51,868 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 14:27:51,869 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 14:27:51,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 14:27:51,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 14:27:51,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 14:27:51,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 14:27:51,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 14:27:51,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 14:27:51,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 14:27:51,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 14:27:51,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 14:27:51,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 14:27:51,887 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 14:27:51,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 14:27:51,891 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 14:27:51,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 14:27:51,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 14:27:51,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 14:27:51,895 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 14:27:51,896 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 14:27:51,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 14:27:51,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 14:27:51,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 14:27:51,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 14:27:51,903 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 14:27:51,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 14:27:51,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 14:27:51,906 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 14:27:51,906 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 14:27:51,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 14:27:51,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 14:27:51,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 14:27:51,934 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 14:27:51,934 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 14:27:51,934 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 14:27:51,934 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 14:27:51,934 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 14:27:51,935 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 14:27:51,935 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 14:27:51,935 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 14:27:51,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 14:27:51,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 14:27:51,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 14:27:51,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 14:27:51,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 14:27:51,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 14:27:51,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 14:27:51,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 14:27:51,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 14:27:51,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 14:27:51,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 14:27:51,941 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 14:27:51,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:27:51,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 14:27:51,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 14:27:51,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 14:27:51,942 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 14:27:51,942 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 14:27:51,942 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 14:27:51,942 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 14:27:51,943 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 14:27:51,943 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 14:27:52,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 14:27:52,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 14:27:52,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 14:27:52,037 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 14:27:52,038 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 14:27:52,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-07-24 14:27:52,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/972bab5d1/ab175117176849c8b7fe0476adc60f35/FLAGbfe63aebe [2018-07-24 14:27:52,664 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 14:27:52,665 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-07-24 14:27:52,692 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/972bab5d1/ab175117176849c8b7fe0476adc60f35/FLAGbfe63aebe [2018-07-24 14:27:52,715 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/972bab5d1/ab175117176849c8b7fe0476adc60f35 [2018-07-24 14:27:52,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 14:27:52,730 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 14:27:52,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 14:27:52,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 14:27:52,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 14:27:52,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:27:52" (1/1) ... [2018-07-24 14:27:52,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213a4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:52, skipping insertion in model container [2018-07-24 14:27:52,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:27:52" (1/1) ... [2018-07-24 14:27:52,963 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 14:27:53,321 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:27:53,338 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 14:27:53,467 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:27:53,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53 WrapperNode [2018-07-24 14:27:53,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 14:27:53,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 14:27:53,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 14:27:53,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 14:27:53,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 14:27:53,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 14:27:53,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 14:27:53,684 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 14:27:53,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (1/1) ... [2018-07-24 14:27:53,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 14:27:53,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 14:27:53,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 14:27:53,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 14:27:53,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (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 14:27:54,075 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 14:27:54,075 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 14:27:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 14:27:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 14:27:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 14:27:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 14:27:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 14:27:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 14:27:57,810 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 14:27:57,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:27:57 BoogieIcfgContainer [2018-07-24 14:27:57,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 14:27:57,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 14:27:57,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 14:27:57,824 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 14:27:57,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:27:52" (1/3) ... [2018-07-24 14:27:57,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212a0a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:27:57, skipping insertion in model container [2018-07-24 14:27:57,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:27:53" (2/3) ... [2018-07-24 14:27:57,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212a0a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:27:57, skipping insertion in model container [2018-07-24 14:27:57,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:27:57" (3/3) ... [2018-07-24 14:27:57,835 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label32_true-unreach-call_false-termination.c [2018-07-24 14:27:57,848 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 14:27:57,862 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 14:27:57,936 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 14:27:57,937 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 14:27:57,938 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 14:27:57,938 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 14:27:57,938 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 14:27:57,938 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 14:27:57,938 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 14:27:57,939 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 14:27:57,939 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 14:27:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-24 14:27:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-24 14:27:57,980 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:27:57,981 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:27:57,981 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 14:27:57,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1419189604, now seen corresponding path program 1 times [2018-07-24 14:27:57,989 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:27:58,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:27:58,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:27:58,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:27:58,041 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:27:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:27:58,517 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 14:27:58,549 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 14:27:58,552 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:27:58,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 14:27:58,552 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:27:58,560 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 14:27:58,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 14:27:58,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:27:58,579 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-24 14:28:00,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:00,291 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-24 14:28:00,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 14:28:00,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-07-24 14:28:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:00,314 INFO L225 Difference]: With dead ends: 691 [2018-07-24 14:28:00,314 INFO L226 Difference]: Without dead ends: 434 [2018-07-24 14:28:00,322 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:28:00,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-24 14:28:00,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-24 14:28:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-24 14:28:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 755 transitions. [2018-07-24 14:28:00,403 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 755 transitions. Word has length 62 [2018-07-24 14:28:00,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:00,403 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 755 transitions. [2018-07-24 14:28:00,403 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 14:28:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 755 transitions. [2018-07-24 14:28:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-24 14:28:00,412 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:00,412 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, 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 14:28:00,413 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 14:28:00,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2014793484, now seen corresponding path program 1 times [2018-07-24 14:28:00,413 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:00,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:00,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:00,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:00,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:00,771 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:28:00,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 14:28:00,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:00,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:28:00,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:28:00,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:28:00,775 INFO L87 Difference]: Start difference. First operand 434 states and 755 transitions. Second operand 6 states. [2018-07-24 14:28:03,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:03,314 INFO L93 Difference]: Finished difference Result 1254 states and 2256 transitions. [2018-07-24 14:28:03,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 14:28:03,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-07-24 14:28:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:03,330 INFO L225 Difference]: With dead ends: 1254 [2018-07-24 14:28:03,331 INFO L226 Difference]: Without dead ends: 826 [2018-07-24 14:28:03,335 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 14:28:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-07-24 14:28:03,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 812. [2018-07-24 14:28:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2018-07-24 14:28:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1377 transitions. [2018-07-24 14:28:03,424 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1377 transitions. Word has length 142 [2018-07-24 14:28:03,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:03,424 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1377 transitions. [2018-07-24 14:28:03,425 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 14:28:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1377 transitions. [2018-07-24 14:28:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-24 14:28:03,434 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:03,435 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:28:03,435 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 14:28:03,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2005524665, now seen corresponding path program 1 times [2018-07-24 14:28:03,435 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:03,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:03,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:03,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:03,437 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:03,746 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:28:03,746 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:28:03,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:03,750 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:28:03,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:28:03,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:28:03,751 INFO L87 Difference]: Start difference. First operand 812 states and 1377 transitions. Second operand 4 states. [2018-07-24 14:28:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:07,082 INFO L93 Difference]: Finished difference Result 1988 states and 3385 transitions. [2018-07-24 14:28:07,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:28:07,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 175 [2018-07-24 14:28:07,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:07,095 INFO L225 Difference]: With dead ends: 1988 [2018-07-24 14:28:07,095 INFO L226 Difference]: Without dead ends: 1182 [2018-07-24 14:28:07,101 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:28:07,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2018-07-24 14:28:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1182. [2018-07-24 14:28:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2018-07-24 14:28:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1748 transitions. [2018-07-24 14:28:07,137 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1748 transitions. Word has length 175 [2018-07-24 14:28:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:07,138 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1748 transitions. [2018-07-24 14:28:07,138 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:28:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1748 transitions. [2018-07-24 14:28:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-24 14:28:07,145 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:07,146 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:07,146 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 14:28:07,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1860465732, now seen corresponding path program 1 times [2018-07-24 14:28:07,146 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:07,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:07,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:07,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:07,148 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:07,612 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-24 14:28:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 164 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:07,890 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:07,890 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 14:28:07,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:07,900 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:08,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 14:28:08,232 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 14:28:08,605 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 14:28:08,606 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-07-24 14:28:08,606 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:08,607 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 14:28:08,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 14:28:08,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-24 14:28:08,609 INFO L87 Difference]: Start difference. First operand 1182 states and 1748 transitions. Second operand 3 states. [2018-07-24 14:28:12,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:12,053 INFO L93 Difference]: Finished difference Result 3281 states and 4994 transitions. [2018-07-24 14:28:12,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 14:28:12,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2018-07-24 14:28:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:12,070 INFO L225 Difference]: With dead ends: 3281 [2018-07-24 14:28:12,071 INFO L226 Difference]: Without dead ends: 2105 [2018-07-24 14:28:12,081 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 515 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-24 14:28:12,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2018-07-24 14:28:12,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2105. [2018-07-24 14:28:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2018-07-24 14:28:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 3012 transitions. [2018-07-24 14:28:12,155 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 3012 transitions. Word has length 256 [2018-07-24 14:28:12,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:12,156 INFO L471 AbstractCegarLoop]: Abstraction has 2105 states and 3012 transitions. [2018-07-24 14:28:12,156 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 14:28:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 3012 transitions. [2018-07-24 14:28:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-24 14:28:12,170 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:12,171 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:12,171 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 14:28:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash -654506456, now seen corresponding path program 1 times [2018-07-24 14:28:12,172 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:12,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:12,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:12,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:12,173 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:12,758 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-24 14:28:13,052 WARN L169 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:28:13,410 WARN L169 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 14:28:13,932 WARN L169 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-07-24 14:28:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 165 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:14,553 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:14,553 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 14:28:14,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:14,564 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:14,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:15,547 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-24 14:28:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-07-24 14:28:15,687 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:16,014 WARN L169 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-24 14:28:16,191 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-07-24 14:28:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 110 proven. 108 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:16,815 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:28:16,815 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 5] total 16 [2018-07-24 14:28:16,816 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:16,816 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:28:16,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:28:16,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:28:16,817 INFO L87 Difference]: Start difference. First operand 2105 states and 3012 transitions. Second operand 5 states. [2018-07-24 14:28:20,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:20,968 INFO L93 Difference]: Finished difference Result 5947 states and 8583 transitions. [2018-07-24 14:28:20,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:28:20,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 318 [2018-07-24 14:28:20,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:20,992 INFO L225 Difference]: With dead ends: 5947 [2018-07-24 14:28:20,992 INFO L226 Difference]: Without dead ends: 3848 [2018-07-24 14:28:21,004 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 632 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-07-24 14:28:21,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2018-07-24 14:28:21,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 3773. [2018-07-24 14:28:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3773 states. [2018-07-24 14:28:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3773 states and 5359 transitions. [2018-07-24 14:28:21,122 INFO L78 Accepts]: Start accepts. Automaton has 3773 states and 5359 transitions. Word has length 318 [2018-07-24 14:28:21,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:21,122 INFO L471 AbstractCegarLoop]: Abstraction has 3773 states and 5359 transitions. [2018-07-24 14:28:21,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:28:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 5359 transitions. [2018-07-24 14:28:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-07-24 14:28:21,142 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:21,143 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:28:21,143 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 14:28:21,143 INFO L82 PathProgramCache]: Analyzing trace with hash 3865717, now seen corresponding path program 1 times [2018-07-24 14:28:21,144 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:21,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:21,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:21,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:21,145 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:21,636 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-24 14:28:21,845 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:28:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 253 proven. 190 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:22,486 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:22,486 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:28:22,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:22,495 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:22,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 339 proven. 53 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-07-24 14:28:23,018 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 175 proven. 268 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:23,715 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:23,715 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:28:23,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:23,731 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:24,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 339 proven. 53 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-07-24 14:28:24,519 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 175 proven. 268 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:28:25,461 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:28:25,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8, 8, 8] total 26 [2018-07-24 14:28:25,462 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:28:25,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-24 14:28:25,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-24 14:28:25,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-07-24 14:28:25,464 INFO L87 Difference]: Start difference. First operand 3773 states and 5359 transitions. Second operand 15 states. [2018-07-24 14:28:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:33,226 INFO L93 Difference]: Finished difference Result 8777 states and 12548 transitions. [2018-07-24 14:28:33,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-24 14:28:33,226 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 403 [2018-07-24 14:28:33,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:33,252 INFO L225 Difference]: With dead ends: 8777 [2018-07-24 14:28:33,253 INFO L226 Difference]: Without dead ends: 4807 [2018-07-24 14:28:33,273 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1656 GetRequests, 1609 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=431, Invalid=1375, Unknown=0, NotChecked=0, Total=1806 [2018-07-24 14:28:33,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4807 states. [2018-07-24 14:28:33,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4807 to 4325. [2018-07-24 14:28:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4325 states. [2018-07-24 14:28:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5623 transitions. [2018-07-24 14:28:33,397 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5623 transitions. Word has length 403 [2018-07-24 14:28:33,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:33,397 INFO L471 AbstractCegarLoop]: Abstraction has 4325 states and 5623 transitions. [2018-07-24 14:28:33,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-24 14:28:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5623 transitions. [2018-07-24 14:28:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-07-24 14:28:33,423 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:33,423 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:28:33,424 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 14:28:33,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1511910052, now seen corresponding path program 1 times [2018-07-24 14:28:33,424 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:33,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:33,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:33,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:33,425 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 274 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:28:34,521 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:34,521 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 14:28:34,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:34,529 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:34,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:35,469 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-07-24 14:28:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-07-24 14:28:35,608 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 165 proven. 210 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-07-24 14:28:36,137 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:28:36,138 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [14, 5] total 18 [2018-07-24 14:28:36,138 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:28:36,138 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:28:36,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:28:36,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-07-24 14:28:36,139 INFO L87 Difference]: Start difference. First operand 4325 states and 5623 transitions. Second operand 5 states. [2018-07-24 14:28:38,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:38,821 INFO L93 Difference]: Finished difference Result 13800 states and 18041 transitions. [2018-07-24 14:28:38,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:28:38,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 428 [2018-07-24 14:28:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:38,911 INFO L225 Difference]: With dead ends: 13800 [2018-07-24 14:28:38,912 INFO L226 Difference]: Without dead ends: 9481 [2018-07-24 14:28:38,934 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 853 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2018-07-24 14:28:38,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9481 states. [2018-07-24 14:28:39,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9481 to 8837. [2018-07-24 14:28:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8837 states. [2018-07-24 14:28:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8837 states to 8837 states and 11164 transitions. [2018-07-24 14:28:39,119 INFO L78 Accepts]: Start accepts. Automaton has 8837 states and 11164 transitions. Word has length 428 [2018-07-24 14:28:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:39,119 INFO L471 AbstractCegarLoop]: Abstraction has 8837 states and 11164 transitions. [2018-07-24 14:28:39,119 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:28:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 8837 states and 11164 transitions. [2018-07-24 14:28:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2018-07-24 14:28:39,171 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:39,172 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, 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, 3, 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] [2018-07-24 14:28:39,172 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 14:28:39,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1777773717, now seen corresponding path program 1 times [2018-07-24 14:28:39,173 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:39,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:39,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:39,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:39,174 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 452 proven. 112 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:28:39,941 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:39,941 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:28:39,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:39,949 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:40,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 720 proven. 2 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-07-24 14:28:40,295 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 452 proven. 112 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:28:40,940 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:40,940 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 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:28:40,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:40,957 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:41,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 714 proven. 8 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-07-24 14:28:42,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 452 proven. 112 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:28:43,423 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:28:43,425 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 8, 5] total 16 [2018-07-24 14:28:43,425 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:28:43,426 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 14:28:43,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 14:28:43,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:28:43,427 INFO L87 Difference]: Start difference. First operand 8837 states and 11164 transitions. Second operand 7 states. [2018-07-24 14:28:46,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:46,194 INFO L93 Difference]: Finished difference Result 22392 states and 28578 transitions. [2018-07-24 14:28:46,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 14:28:46,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 539 [2018-07-24 14:28:46,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:46,262 INFO L225 Difference]: With dead ends: 22392 [2018-07-24 14:28:46,262 INFO L226 Difference]: Without dead ends: 13561 [2018-07-24 14:28:46,301 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2176 GetRequests, 2146 SyntacticMatches, 11 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-07-24 14:28:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13561 states. [2018-07-24 14:28:46,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13561 to 12758. [2018-07-24 14:28:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12758 states. [2018-07-24 14:28:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12758 states to 12758 states and 14969 transitions. [2018-07-24 14:28:46,569 INFO L78 Accepts]: Start accepts. Automaton has 12758 states and 14969 transitions. Word has length 539 [2018-07-24 14:28:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:46,570 INFO L471 AbstractCegarLoop]: Abstraction has 12758 states and 14969 transitions. [2018-07-24 14:28:46,570 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 14:28:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 12758 states and 14969 transitions. [2018-07-24 14:28:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2018-07-24 14:28:46,622 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:46,623 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, 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, 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, 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] [2018-07-24 14:28:46,625 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 14:28:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1941861416, now seen corresponding path program 1 times [2018-07-24 14:28:46,626 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:46,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:46,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:46,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:46,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 606 proven. 482 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-07-24 14:28:48,087 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:48,087 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:28:48,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:48,094 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:48,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 948 proven. 2 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-07-24 14:28:48,848 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 600 proven. 112 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2018-07-24 14:28:49,445 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:49,445 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 10 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 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:28:49,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:49,462 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:28:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:49,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 740 proven. 210 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-07-24 14:28:50,472 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 311 proven. 690 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-07-24 14:28:51,337 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:28:51,337 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-07-24 14:28:51,337 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:28:51,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-24 14:28:51,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-24 14:28:51,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:28:51,339 INFO L87 Difference]: Start difference. First operand 12758 states and 14969 transitions. Second operand 13 states. [2018-07-24 14:28:55,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:28:55,492 INFO L93 Difference]: Finished difference Result 26186 states and 31386 transitions. [2018-07-24 14:28:55,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-24 14:28:55,492 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 624 [2018-07-24 14:28:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:28:55,548 INFO L225 Difference]: With dead ends: 26186 [2018-07-24 14:28:55,549 INFO L226 Difference]: Without dead ends: 13225 [2018-07-24 14:28:55,586 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2526 GetRequests, 2485 SyntacticMatches, 17 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-07-24 14:28:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13225 states. [2018-07-24 14:28:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13225 to 12911. [2018-07-24 14:28:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12911 states. [2018-07-24 14:28:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12911 states to 12911 states and 14680 transitions. [2018-07-24 14:28:55,930 INFO L78 Accepts]: Start accepts. Automaton has 12911 states and 14680 transitions. Word has length 624 [2018-07-24 14:28:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:28:55,931 INFO L471 AbstractCegarLoop]: Abstraction has 12911 states and 14680 transitions. [2018-07-24 14:28:55,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-24 14:28:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 12911 states and 14680 transitions. [2018-07-24 14:28:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2018-07-24 14:28:55,967 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:28:55,968 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, 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, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:28:55,968 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 14:28:55,969 INFO L82 PathProgramCache]: Analyzing trace with hash 181247764, now seen corresponding path program 2 times [2018-07-24 14:28:55,969 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:28:55,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:55,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:28:55,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:28:55,970 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:28:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:28:56,684 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:28:56,881 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:28:57,117 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-24 14:28:57,469 WARN L169 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-24 14:28:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 632 proven. 534 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-07-24 14:28:58,663 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:28:58,663 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:28:58,670 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-24 14:28:58,670 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-24 14:28:58,872 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-24 14:28:58,872 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-24 14:28:58,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:28:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 1000 proven. 2 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-07-24 14:28:59,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:28:59,526 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-07-24 14:29:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 626 proven. 112 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-07-24 14:29:00,450 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:00,450 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 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:00,467 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-24 14:29:00,467 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-24 14:29:00,946 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-24 14:29:00,946 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-24 14:29:00,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 985 proven. 17 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-07-24 14:29:01,906 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 305 proven. 748 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-07-24 14:29:04,357 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:04,358 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5, 10, 11] total 31 [2018-07-24 14:29:04,358 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:04,359 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-24 14:29:04,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-24 14:29:04,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2018-07-24 14:29:04,360 INFO L87 Difference]: Start difference. First operand 12911 states and 14680 transitions. Second operand 18 states. [2018-07-24 14:29:07,807 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2018-07-24 14:29:12,971 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-07-24 14:29:13,120 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2018-07-24 14:29:13,467 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-07-24 14:29:13,764 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-07-24 14:29:15,159 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-07-24 14:29:16,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:16,544 INFO L93 Difference]: Finished difference Result 29509 states and 34397 transitions. [2018-07-24 14:29:16,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-24 14:29:16,544 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 650 [2018-07-24 14:29:16,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:16,594 INFO L225 Difference]: With dead ends: 29509 [2018-07-24 14:29:16,594 INFO L226 Difference]: Without dead ends: 16604 [2018-07-24 14:29:16,638 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2677 GetRequests, 2598 SyntacticMatches, 14 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=812, Invalid=3610, Unknown=0, NotChecked=0, Total=4422 [2018-07-24 14:29:16,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16604 states. [2018-07-24 14:29:16,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16604 to 15961. [2018-07-24 14:29:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15961 states. [2018-07-24 14:29:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15961 states to 15961 states and 17785 transitions. [2018-07-24 14:29:16,913 INFO L78 Accepts]: Start accepts. Automaton has 15961 states and 17785 transitions. Word has length 650 [2018-07-24 14:29:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:16,914 INFO L471 AbstractCegarLoop]: Abstraction has 15961 states and 17785 transitions. [2018-07-24 14:29:16,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-24 14:29:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 15961 states and 17785 transitions. [2018-07-24 14:29:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2018-07-24 14:29:16,944 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:16,944 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, 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, 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, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:16,945 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 14:29:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1170827039, now seen corresponding path program 1 times [2018-07-24 14:29:16,945 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:16,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:16,946 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-24 14:29:16,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:16,947 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 922 proven. 835 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2018-07-24 14:29:18,801 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:18,801 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:18,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:18,808 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:19,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 1437 proven. 2 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2018-07-24 14:29:19,612 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:19,772 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-07-24 14:29:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 910 proven. 112 refuted. 0 times theorem prover too weak. 1334 trivial. 0 not checked. [2018-07-24 14:29:20,707 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:20,707 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 14 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:20,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:20,725 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:21,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 1429 proven. 10 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2018-07-24 14:29:22,663 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 415 proven. 1075 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-07-24 14:29:24,196 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:24,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 8, 8] total 28 [2018-07-24 14:29:24,196 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:24,198 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-24 14:29:24,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-24 14:29:24,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2018-07-24 14:29:24,199 INFO L87 Difference]: Start difference. First operand 15961 states and 17785 transitions. Second operand 17 states. [2018-07-24 14:29:33,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:33,372 INFO L93 Difference]: Finished difference Result 31640 states and 36384 transitions. [2018-07-24 14:29:33,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-24 14:29:33,373 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 813 [2018-07-24 14:29:33,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:33,419 INFO L225 Difference]: With dead ends: 31640 [2018-07-24 14:29:33,420 INFO L226 Difference]: Without dead ends: 15158 [2018-07-24 14:29:33,463 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3335 GetRequests, 3257 SyntacticMatches, 8 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1098, Invalid=4014, Unknown=0, NotChecked=0, Total=5112 [2018-07-24 14:29:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15158 states. [2018-07-24 14:29:33,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15158 to 14811. [2018-07-24 14:29:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14811 states. [2018-07-24 14:29:33,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14811 states to 14811 states and 16191 transitions. [2018-07-24 14:29:33,717 INFO L78 Accepts]: Start accepts. Automaton has 14811 states and 16191 transitions. Word has length 813 [2018-07-24 14:29:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:33,718 INFO L471 AbstractCegarLoop]: Abstraction has 14811 states and 16191 transitions. [2018-07-24 14:29:33,718 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-24 14:29:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 14811 states and 16191 transitions. [2018-07-24 14:29:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2018-07-24 14:29:33,735 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:33,736 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, 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, 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, 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 14:29:33,736 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 14:29:33,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1080213964, now seen corresponding path program 1 times [2018-07-24 14:29:33,737 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:33,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:33,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:33,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:33,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 899 proven. 891 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-07-24 14:29:36,949 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:36,949 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:36,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:36,957 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:37,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 1405 proven. 2 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2018-07-24 14:29:37,600 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 856 proven. 142 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2018-07-24 14:29:38,281 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:38,281 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 16 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 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:38,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:38,298 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:38,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 1405 proven. 2 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2018-07-24 14:29:39,161 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 856 proven. 142 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2018-07-24 14:29:39,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:39,683 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5, 5, 5] total 22 [2018-07-24 14:29:39,683 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:39,685 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-24 14:29:39,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-24 14:29:39,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-07-24 14:29:39,686 INFO L87 Difference]: Start difference. First operand 14811 states and 16191 transitions. Second operand 20 states. [2018-07-24 14:29:52,052 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-07-24 14:29:56,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:56,007 INFO L93 Difference]: Finished difference Result 32580 states and 36061 transitions. [2018-07-24 14:29:56,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-24 14:29:56,007 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 884 [2018-07-24 14:29:56,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:56,045 INFO L225 Difference]: With dead ends: 32580 [2018-07-24 14:29:56,045 INFO L226 Difference]: Without dead ends: 17632 [2018-07-24 14:29:56,079 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3707 GetRequests, 3599 SyntacticMatches, 6 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3626 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1535, Invalid=9177, Unknown=0, NotChecked=0, Total=10712 [2018-07-24 14:29:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17632 states. [2018-07-24 14:29:56,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17632 to 17297. [2018-07-24 14:29:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17297 states. [2018-07-24 14:29:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17297 states to 17297 states and 18824 transitions. [2018-07-24 14:29:56,321 INFO L78 Accepts]: Start accepts. Automaton has 17297 states and 18824 transitions. Word has length 884 [2018-07-24 14:29:56,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:56,322 INFO L471 AbstractCegarLoop]: Abstraction has 17297 states and 18824 transitions. [2018-07-24 14:29:56,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-24 14:29:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 17297 states and 18824 transitions. [2018-07-24 14:29:56,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2018-07-24 14:29:56,350 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:56,350 INFO L353 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:29:56,351 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 14:29:56,351 INFO L82 PathProgramCache]: Analyzing trace with hash 930718193, now seen corresponding path program 1 times [2018-07-24 14:29:56,351 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:56,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:56,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:56,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:56,352 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 1806 proven. 722 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2018-07-24 14:29:59,561 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:59,561 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:59,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:59,571 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:59,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 1378 proven. 2 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2018-07-24 14:30:00,701 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 1378 proven. 2 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2018-07-24 14:30:01,779 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:01,780 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 18 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 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:01,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:01,798 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:02,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:02,783 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 15 [2018-07-24 14:30:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 2472 proven. 6 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2018-07-24 14:30:03,572 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 1699 proven. 294 refuted. 0 times theorem prover too weak. 1982 trivial. 0 not checked. [2018-07-24 14:30:04,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:04,646 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6, 7, 8] total 32 [2018-07-24 14:30:04,646 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:04,648 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-24 14:30:04,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-24 14:30:04,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=859, Unknown=0, NotChecked=0, Total=992 [2018-07-24 14:30:04,649 INFO L87 Difference]: Start difference. First operand 17297 states and 18824 transitions. Second operand 20 states. [2018-07-24 14:30:12,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:12,595 INFO L93 Difference]: Finished difference Result 35099 states and 39020 transitions. [2018-07-24 14:30:12,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-24 14:30:12,596 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1141 [2018-07-24 14:30:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:12,597 INFO L225 Difference]: With dead ends: 35099 [2018-07-24 14:30:12,597 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 14:30:12,675 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4641 GetRequests, 4578 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=733, Invalid=3299, Unknown=0, NotChecked=0, Total=4032 [2018-07-24 14:30:12,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 14:30:12,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 14:30:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 14:30:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 14:30:12,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1141 [2018-07-24 14:30:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:12,677 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 14:30:12,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-24 14:30:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 14:30:12,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 14:30:12,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 14:30:12,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:12,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:13,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,439 WARN L169 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 559 DAG size of output: 475 [2018-07-24 14:30:14,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:14,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:15,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:15,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:15,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:15,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,121 WARN L169 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 559 DAG size of output: 475 [2018-07-24 14:30:16,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:16,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:17,237 WARN L169 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 28 [2018-07-24 14:30:21,318 WARN L169 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 461 DAG size of output: 54 [2018-07-24 14:30:27,284 WARN L169 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 461 DAG size of output: 54 [2018-07-24 14:30:28,558 WARN L169 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 267 DAG size of output: 48 [2018-07-24 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L90'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,579 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 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-07-24 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-07-24 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L93'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L72'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-07-24 14:30:28,579 INFO L421 ceAbstractionStarter]: For program point L192'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L96'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L99'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L51'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L75'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L150'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L174'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L198'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,580 INFO L421 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L195'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,581 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 ((.cse7 (= ~__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)|)) (.cse5 (= ~__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)|)) (.cse6 (= ~__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)|))) (let ((.cse2 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 6)) (.cse0 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 9)) (.cse1 (and .cse7 .cse5 (= ~__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)|) .cse6)) (.cse4 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 9)) (.cse3 (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) (or (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 81) (not .cse4) .cse3 .cse1) (or .cse0 (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (< 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 .cse2) (or .cse0 .cse1 (< 11 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) .cse3) (or (not .cse0) (and .cse5 .cse6 (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0) .cse7) .cse4 .cse3) (or .cse1 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 10) .cse4 .cse3)))) [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L171'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-07-24 14:30:28,581 INFO L421 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L153'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L177'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-07-24 14:30:28,582 INFO L421 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L78'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L30'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L54'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,583 INFO L421 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L33'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L57'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-07-24 14:30:28,584 INFO L421 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-07-24 14:30:28,585 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 169) no Hoare annotation was computed. [2018-07-24 14:30:28,585 INFO L421 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L159'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-07-24 14:30:28,586 INFO L421 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L132'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L156'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L36'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-07-24 14:30:28,587 INFO L421 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L39'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L114'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L138'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-07-24 14:30:28,588 INFO L421 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-07-24 14:30:28,589 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 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L135'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L111'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-07-24 14:30:28,589 INFO L421 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-07-24 14:30:28,590 INFO L421 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L201'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L117'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-07-24 14:30:28,591 INFO L421 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-07-24 14:30:28,592 INFO L421 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L81'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L60'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L180'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L84'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-07-24 14:30:28,593 INFO L421 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L63'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L87'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L162'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L186'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L183'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-07-24 14:30:28,594 INFO L421 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L141'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L165'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L189'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-07-24 14:30:28,595 INFO L421 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L66'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L42'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-07-24 14:30:28,596 INFO L421 ceAbstractionStarter]: For program point L45'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L69'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L21''(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-07-24 14:30:28,597 INFO L421 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L147'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L120'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,598 INFO L421 ceAbstractionStarter]: For program point L144'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L168'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L48'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L24'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L27'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L126'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-07-24 14:30:28,599 INFO L421 ceAbstractionStarter]: For program point L102'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L123'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L105'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L129'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,600 INFO L421 ceAbstractionStarter]: For program point L108'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:30:28,601 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 14:30:28,601 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 14:30:28,601 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-07-24 14:30:28,601 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 14:30:28,601 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 14:30:28,601 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 14:30:28,601 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 14:30:28,601 INFO L421 ceAbstractionStarter]: For program point L880(lines 880 889) no Hoare annotation was computed. [2018-07-24 14:30:28,601 INFO L421 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-07-24 14:30:28,602 INFO L417 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (not (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))) (.cse1 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 9))) (.cse2 (not (= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (.cse0 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0))) (or (and .cse0 .cse1 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 11)) (< 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 .cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 9)) (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (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 (< 80 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) (and .cse0 .cse2)) (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 .cse3 .cse1) (and .cse3 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 7) .cse1 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0)) (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (and .cse2 .cse0 (not (= 9 ~__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))) [2018-07-24 14:30:28,602 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-07-24 14:30:28,602 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 14:30:28,602 INFO L421 ceAbstractionStarter]: For program point L888'(line 888) no Hoare annotation was computed. [2018-07-24 14:30:28,602 INFO L421 ceAbstractionStarter]: For program point L880'''(lines 874 890) no Hoare annotation was computed. [2018-07-24 14:30:28,602 INFO L417 ceAbstractionStarter]: At program point L880''(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))) (.cse1 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 9))) (.cse2 (not (= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (.cse0 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0))) (or (and .cse0 .cse1 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 11)) (< 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 .cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 9)) (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (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 (< 80 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) (and .cse0 .cse2)) (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 .cse3 .cse1) (and .cse3 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 7) .cse1 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0)) (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (and .cse2 .cse0 (not (= 9 ~__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))) [2018-07-24 14:30:28,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 02:30:28 BoogieIcfgContainer [2018-07-24 14:30:28,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 14:30:28,626 INFO L168 Benchmark]: Toolchain (without parser) took 155897.41 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-07-24 14:30:28,627 INFO L168 Benchmark]: CDTParser took 0.25 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 14:30:28,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.93 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-24 14:30:28,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.80 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 14:30:28,629 INFO L168 Benchmark]: Boogie Preprocessor took 314.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -886.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2018-07-24 14:30:28,635 INFO L168 Benchmark]: RCFGBuilder took 3813.83 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: 138.7 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2018-07-24 14:30:28,635 INFO L168 Benchmark]: TraceAbstraction took 150812.69 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -821.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-24 14:30:28,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 802.93 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 148.80 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 314.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -886.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3813.83 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: 138.7 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 150812.69 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -821.5 MB). 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: 169]: 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: (((((((((((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__a12 <= 11) || 0 < \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) + 49) || ((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__a21 == 9)) && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15)) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) == 1)) || (80 < __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 && !(10 == __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__a15) == 8)) || ((1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && !(6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 9))) || (((!(6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) && __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 == 9)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 + 49 <= 0)) || 7 < \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || ((!(10 == __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) && !(9 == __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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 150.6s OverallTime, 13 OverallIterations, 10 TraceHistogramMax, 79.0s AutomataDifference, 0.0s DeadEndRemovalTime, 15.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1433 SDtfs, 30939 SDslu, 3350 SDs, 0 SdLazy, 39463 SolverSat, 5638 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 54.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22788 GetRequests, 22279 SyntacticMatches, 74 SemanticMatches, 435 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8280 ImplicationChecksByTransitivity, 29.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17297occurred in iteration=12, 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: 2.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 3657 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 428 PreInvPairs, 702 NumberOfFragments, 412 HoareAnnotationTreeSize, 428 FomulaSimplifications, 350018 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 208974 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 38.9s InterpolantComputationTime, 17545 NumberOfCodeBlocks, 17545 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 28608 ConstructedInterpolants, 12 QuantifiedInterpolants, 105122334 SizeOfPredicates, 69 NumberOfNonLiveVariables, 16138 ConjunctsInSsa, 331 ConjunctsInUnsatCore, 47 InterpolantComputations, 7 PerfectInterpolantSequences, 56148/65101 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_label32_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_14-30-28-670.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label32_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_14-30-28-670.csv Received shutdown request...