java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:03:09,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:03:09,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:03:09,948 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:03:09,949 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:03:09,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:03:09,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:03:09,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:03:09,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:03:09,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:03:09,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:03:09,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:03:09,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:03:09,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:03:09,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:03:09,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:03:09,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:03:09,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:03:09,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:03:09,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:03:09,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:03:09,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:03:09,983 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:03:09,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:03:09,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:03:09,986 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:03:09,988 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:03:09,989 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:03:09,991 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:03:09,994 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:03:09,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:03:09,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:03:09,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:03:09,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:03:09,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:03:10,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:03:10,000 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 [2018-09-10 12:03:10,035 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:03:10,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:03:10,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:03:10,037 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:03:10,037 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:03:10,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:03:10,038 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:03:10,038 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:03:10,038 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:03:10,039 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:03:10,039 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:03:10,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:03:10,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:03:10,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:03:10,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:03:10,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:03:10,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:03:10,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:03:10,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:03:10,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:03:10,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:03:10,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:03:10,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:03:10,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:03:10,044 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:03:10,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:03:10,045 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:03:10,045 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:03:10,045 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:03:10,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:03:10,045 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:03:10,045 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:03:10,046 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:03:10,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:03:10,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:03:10,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:03:10,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:03:10,129 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:03:10,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-09-10 12:03:10,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c889f45/be667a81bac043cf980b91de68c3e1fb/FLAGd2bae2e32 [2018-09-10 12:03:10,791 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:03:10,792 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-09-10 12:03:10,813 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c889f45/be667a81bac043cf980b91de68c3e1fb/FLAGd2bae2e32 [2018-09-10 12:03:10,836 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c889f45/be667a81bac043cf980b91de68c3e1fb [2018-09-10 12:03:10,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:03:10,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:03:10,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:03:10,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:03:10,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:03:10,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:03:10" (1/1) ... [2018-09-10 12:03:10,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2d9c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:10, skipping insertion in model container [2018-09-10 12:03:10,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:03:10" (1/1) ... [2018-09-10 12:03:11,073 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:03:11,462 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:03:11,482 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:03:11,599 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:03:11,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11 WrapperNode [2018-09-10 12:03:11,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:03:11,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:03:11,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:03:11,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:03:11,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:11,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:11,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:03:11,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:03:11,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:03:11,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:03:11,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:11,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:11,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:11,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:11,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:12,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:12,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (1/1) ... [2018-09-10 12:03:12,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:03:12,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:03:12,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:03:12,056 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:03:12,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (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 [2018-09-10 12:03:12,131 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 [2018-09-10 12:03:12,131 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 [2018-09-10 12:03:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:03:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:03:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:03:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:03:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:03:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:03:16,049 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:03:16,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:03:16 BoogieIcfgContainer [2018-09-10 12:03:16,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:03:16,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:03:16,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:03:16,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:03:16,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:03:10" (1/3) ... [2018-09-10 12:03:16,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b521bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:03:16, skipping insertion in model container [2018-09-10 12:03:16,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:03:11" (2/3) ... [2018-09-10 12:03:16,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b521bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:03:16, skipping insertion in model container [2018-09-10 12:03:16,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:03:16" (3/3) ... [2018-09-10 12:03:16,060 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label33_true-unreach-call_false-termination.c [2018-09-10 12:03:16,071 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:03:16,081 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:03:16,138 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:03:16,139 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:03:16,139 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:03:16,140 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:03:16,140 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:03:16,140 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:03:16,140 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:03:16,141 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:03:16,141 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:03:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-10 12:03:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-10 12:03:16,180 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:16,182 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:03:16,183 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:16,189 INFO L82 PathProgramCache]: Analyzing trace with hash -576164841, now seen corresponding path program 1 times [2018-09-10 12:03:16,192 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:16,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:16,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:16,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:16,250 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:03:16,635 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:03:16,635 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 12:03:16,635 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:03:16,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:03:16,658 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:03:16,659 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:03:16,662 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-09-10 12:03:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:18,743 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-09-10 12:03:18,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:03:18,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-09-10 12:03:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:18,767 INFO L225 Difference]: With dead ends: 691 [2018-09-10 12:03:18,767 INFO L226 Difference]: Without dead ends: 434 [2018-09-10 12:03:18,776 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:03:18,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-09-10 12:03:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-09-10 12:03:18,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-10 12:03:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 773 transitions. [2018-09-10 12:03:18,859 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 773 transitions. Word has length 65 [2018-09-10 12:03:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:18,860 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 773 transitions. [2018-09-10 12:03:18,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:03:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 773 transitions. [2018-09-10 12:03:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-10 12:03:18,869 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:18,870 INFO L376 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, 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] [2018-09-10 12:03:18,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash -466077302, now seen corresponding path program 1 times [2018-09-10 12:03:18,871 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:18,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:18,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:18,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:18,873 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:03:19,274 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:03:19,274 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:03:19,274 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:03:19,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:03:19,277 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:03:19,277 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:03:19,278 INFO L87 Difference]: Start difference. First operand 434 states and 773 transitions. Second operand 6 states. [2018-09-10 12:03:23,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:23,790 INFO L93 Difference]: Finished difference Result 1610 states and 2994 transitions. [2018-09-10 12:03:23,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:03:23,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-09-10 12:03:23,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:23,805 INFO L225 Difference]: With dead ends: 1610 [2018-09-10 12:03:23,805 INFO L226 Difference]: Without dead ends: 1182 [2018-09-10 12:03:23,814 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:03:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2018-09-10 12:03:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1142. [2018-09-10 12:03:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1142 states. [2018-09-10 12:03:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1838 transitions. [2018-09-10 12:03:23,902 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1838 transitions. Word has length 147 [2018-09-10 12:03:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:23,902 INFO L480 AbstractCegarLoop]: Abstraction has 1142 states and 1838 transitions. [2018-09-10 12:03:23,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:03:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1838 transitions. [2018-09-10 12:03:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-10 12:03:23,914 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:23,914 INFO L376 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, 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] [2018-09-10 12:03:23,914 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:23,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2084000302, now seen corresponding path program 1 times [2018-09-10 12:03:23,917 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:23,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:23,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:23,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:23,918 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:03:24,362 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:03:24,362 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:03:24,362 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:03:24,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:03:24,363 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:03:24,363 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:03:24,364 INFO L87 Difference]: Start difference. First operand 1142 states and 1838 transitions. Second operand 6 states. [2018-09-10 12:03:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:29,116 INFO L93 Difference]: Finished difference Result 2742 states and 4361 transitions. [2018-09-10 12:03:29,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-10 12:03:29,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-09-10 12:03:29,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:29,133 INFO L225 Difference]: With dead ends: 2742 [2018-09-10 12:03:29,133 INFO L226 Difference]: Without dead ends: 1606 [2018-09-10 12:03:29,138 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:03:29,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-09-10 12:03:29,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1534. [2018-09-10 12:03:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1534 states. [2018-09-10 12:03:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2340 transitions. [2018-09-10 12:03:29,215 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2340 transitions. Word has length 149 [2018-09-10 12:03:29,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:29,216 INFO L480 AbstractCegarLoop]: Abstraction has 1534 states and 2340 transitions. [2018-09-10 12:03:29,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:03:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2340 transitions. [2018-09-10 12:03:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-10 12:03:29,223 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:29,223 INFO L376 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:03:29,223 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash -955907534, now seen corresponding path program 1 times [2018-09-10 12:03:29,224 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:29,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:29,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:29,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:29,225 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:03:29,475 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:03:29,475 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:03:29,475 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:03:29,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:03:29,476 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:03:29,478 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:03:29,479 INFO L87 Difference]: Start difference. First operand 1534 states and 2340 transitions. Second operand 4 states. [2018-09-10 12:03:32,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:32,026 INFO L93 Difference]: Finished difference Result 4834 states and 7760 transitions. [2018-09-10 12:03:32,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:03:32,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 199 [2018-09-10 12:03:32,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:32,049 INFO L225 Difference]: With dead ends: 4834 [2018-09-10 12:03:32,050 INFO L226 Difference]: Without dead ends: 3306 [2018-09-10 12:03:32,063 INFO L604 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 [2018-09-10 12:03:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2018-09-10 12:03:32,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 2747. [2018-09-10 12:03:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2747 states. [2018-09-10 12:03:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 4190 transitions. [2018-09-10 12:03:32,169 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 4190 transitions. Word has length 199 [2018-09-10 12:03:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:32,170 INFO L480 AbstractCegarLoop]: Abstraction has 2747 states and 4190 transitions. [2018-09-10 12:03:32,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:03:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 4190 transitions. [2018-09-10 12:03:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-09-10 12:03:32,183 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:32,183 INFO L376 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, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:03:32,184 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:32,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1723218244, now seen corresponding path program 1 times [2018-09-10 12:03:32,184 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:32,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:32,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:32,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:32,186 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:33,082 WARN L175 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-10 12:03:33,414 WARN L175 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-10 12:03:34,017 WARN L175 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-09-10 12:03:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 335 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:03:34,352 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:03:34,352 INFO L197 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 [2018-09-10 12:03:34,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:34,363 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:03:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:34,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:03:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-09-10 12:03:35,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:03:35,267 WARN L175 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-10 12:03:35,492 WARN L175 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:03:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 174 proven. 148 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:03:36,098 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:03:36,099 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [14, 5] total 18 [2018-09-10 12:03:36,099 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:03:36,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:03:36,100 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:03:36,100 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-09-10 12:03:36,101 INFO L87 Difference]: Start difference. First operand 2747 states and 4190 transitions. Second operand 5 states. [2018-09-10 12:03:41,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:41,320 INFO L93 Difference]: Finished difference Result 9874 states and 15249 transitions. [2018-09-10 12:03:41,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:03:41,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2018-09-10 12:03:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:41,372 INFO L225 Difference]: With dead ends: 9874 [2018-09-10 12:03:41,372 INFO L226 Difference]: Without dead ends: 7133 [2018-09-10 12:03:41,394 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 660 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2018-09-10 12:03:41,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7133 states. [2018-09-10 12:03:41,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7133 to 7085. [2018-09-10 12:03:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7085 states. [2018-09-10 12:03:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7085 states to 7085 states and 10328 transitions. [2018-09-10 12:03:41,571 INFO L78 Accepts]: Start accepts. Automaton has 7085 states and 10328 transitions. Word has length 333 [2018-09-10 12:03:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:41,572 INFO L480 AbstractCegarLoop]: Abstraction has 7085 states and 10328 transitions. [2018-09-10 12:03:41,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:03:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7085 states and 10328 transitions. [2018-09-10 12:03:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-09-10 12:03:41,591 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:41,592 INFO L376 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, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:03:41,592 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:41,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1090841196, now seen corresponding path program 1 times [2018-09-10 12:03:41,593 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:41,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:41,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:41,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:41,595 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:42,868 WARN L175 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-10 12:03:43,234 WARN L175 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-10 12:03:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 335 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:03:43,768 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:03:43,769 INFO L197 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 [2018-09-10 12:03:43,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:43,778 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:03:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:43,917 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:03:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-09-10 12:03:44,815 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:03:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 174 proven. 148 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:03:45,403 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:03:45,403 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [14, 6] total 20 [2018-09-10 12:03:45,404 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:03:45,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:03:45,404 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:03:45,404 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-09-10 12:03:45,405 INFO L87 Difference]: Start difference. First operand 7085 states and 10328 transitions. Second operand 6 states. [2018-09-10 12:03:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:48,758 INFO L93 Difference]: Finished difference Result 15450 states and 22303 transitions. [2018-09-10 12:03:48,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-10 12:03:48,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 357 [2018-09-10 12:03:48,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:48,805 INFO L225 Difference]: With dead ends: 15450 [2018-09-10 12:03:48,805 INFO L226 Difference]: Without dead ends: 8371 [2018-09-10 12:03:48,836 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 708 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2018-09-10 12:03:48,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8371 states. [2018-09-10 12:03:49,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8371 to 8327. [2018-09-10 12:03:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8327 states. [2018-09-10 12:03:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8327 states to 8327 states and 11888 transitions. [2018-09-10 12:03:49,056 INFO L78 Accepts]: Start accepts. Automaton has 8327 states and 11888 transitions. Word has length 357 [2018-09-10 12:03:49,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:49,057 INFO L480 AbstractCegarLoop]: Abstraction has 8327 states and 11888 transitions. [2018-09-10 12:03:49,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:03:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8327 states and 11888 transitions. [2018-09-10 12:03:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-09-10 12:03:49,086 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:49,087 INFO L376 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, 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, 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] [2018-09-10 12:03:49,087 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:49,087 INFO L82 PathProgramCache]: Analyzing trace with hash -36814946, now seen corresponding path program 1 times [2018-09-10 12:03:49,088 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:49,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:49,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:49,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:49,089 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 262 proven. 83 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-09-10 12:03:49,766 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:03:49,766 INFO L197 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 [2018-09-10 12:03:49,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:49,783 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:03:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:49,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:03:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 366 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-09-10 12:03:50,168 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:03:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 262 proven. 83 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-09-10 12:03:50,428 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:03:50,428 INFO L197 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 [2018-09-10 12:03:50,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:50,447 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:03:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:50,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:03:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 366 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-09-10 12:03:50,828 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:03:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 262 proven. 83 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-09-10 12:03:51,097 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:03:51,097 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 14 [2018-09-10 12:03:51,098 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:03:51,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 12:03:51,099 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 12:03:51,100 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-09-10 12:03:51,100 INFO L87 Difference]: Start difference. First operand 8327 states and 11888 transitions. Second operand 9 states. [2018-09-10 12:03:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:03:54,655 INFO L93 Difference]: Finished difference Result 18834 states and 30267 transitions. [2018-09-10 12:03:54,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-10 12:03:54,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 375 [2018-09-10 12:03:54,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:03:54,738 INFO L225 Difference]: With dead ends: 18834 [2018-09-10 12:03:54,739 INFO L226 Difference]: Without dead ends: 9492 [2018-09-10 12:03:54,813 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1516 GetRequests, 1494 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-09-10 12:03:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9492 states. [2018-09-10 12:03:55,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9492 to 8574. [2018-09-10 12:03:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8574 states. [2018-09-10 12:03:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8574 states to 8574 states and 11756 transitions. [2018-09-10 12:03:55,116 INFO L78 Accepts]: Start accepts. Automaton has 8574 states and 11756 transitions. Word has length 375 [2018-09-10 12:03:55,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:03:55,116 INFO L480 AbstractCegarLoop]: Abstraction has 8574 states and 11756 transitions. [2018-09-10 12:03:55,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 12:03:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 8574 states and 11756 transitions. [2018-09-10 12:03:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-09-10 12:03:55,133 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:03:55,133 INFO L376 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, 5, 5, 5, 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, 2, 2, 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] [2018-09-10 12:03:55,134 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:03:55,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1417639196, now seen corresponding path program 1 times [2018-09-10 12:03:55,134 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:03:55,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:55,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:55,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:03:55,137 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:03:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:55,555 WARN L175 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-10 12:03:56,557 WARN L175 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-10 12:03:56,845 WARN L175 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 12:03:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 449 proven. 214 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-10 12:03:57,071 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:03:57,071 INFO L197 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 [2018-09-10 12:03:57,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:57,080 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:03:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:57,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:03:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 564 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-09-10 12:03:57,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:03:58,144 WARN L175 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-10 12:03:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 391 proven. 73 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2018-09-10 12:03:58,551 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:03:58,551 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:03:58,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:03:58,567 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:03:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:03:58,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:03:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 560 proven. 6 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-09-10 12:03:59,062 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:03:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 391 proven. 73 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2018-09-10 12:03:59,444 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:03:59,445 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 16 [2018-09-10 12:03:59,445 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:03:59,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-10 12:03:59,447 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-10 12:03:59,447 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-09-10 12:03:59,448 INFO L87 Difference]: Start difference. First operand 8574 states and 11756 transitions. Second operand 14 states. [2018-09-10 12:04:04,263 WARN L175 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-10 12:04:05,095 WARN L175 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-09-10 12:04:07,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:04:07,180 INFO L93 Difference]: Finished difference Result 19111 states and 26951 transitions. [2018-09-10 12:04:07,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-09-10 12:04:07,181 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 444 [2018-09-10 12:04:07,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:04:07,219 INFO L225 Difference]: With dead ends: 19111 [2018-09-10 12:04:07,219 INFO L226 Difference]: Without dead ends: 10041 [2018-09-10 12:04:07,269 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1846 GetRequests, 1799 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=445, Invalid=1717, Unknown=0, NotChecked=0, Total=2162 [2018-09-10 12:04:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10041 states. [2018-09-10 12:04:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10041 to 9198. [2018-09-10 12:04:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9198 states. [2018-09-10 12:04:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9198 states to 9198 states and 10894 transitions. [2018-09-10 12:04:07,475 INFO L78 Accepts]: Start accepts. Automaton has 9198 states and 10894 transitions. Word has length 444 [2018-09-10 12:04:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:04:07,475 INFO L480 AbstractCegarLoop]: Abstraction has 9198 states and 10894 transitions. [2018-09-10 12:04:07,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-10 12:04:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 9198 states and 10894 transitions. [2018-09-10 12:04:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2018-09-10 12:04:07,490 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:04:07,491 INFO L376 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:04:07,491 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:04:07,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1524536177, now seen corresponding path program 1 times [2018-09-10 12:04:07,491 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:04:07,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:07,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:07,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:07,493 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:04:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:07,991 WARN L175 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 12:04:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 521 proven. 160 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-09-10 12:04:08,632 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:08,632 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:04:08,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:08,640 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:04:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:08,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-10 12:04:09,350 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-10 12:04:09,957 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:09,957 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:04:09,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:09,972 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:04:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:10,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 334 proven. 156 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-10 12:04:10,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 253 proven. 237 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-10 12:04:11,624 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:04:11,624 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-09-10 12:04:11,625 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:04:11,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-10 12:04:11,626 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-10 12:04:11,627 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-09-10 12:04:11,627 INFO L87 Difference]: Start difference. First operand 9198 states and 10894 transitions. Second operand 13 states. [2018-09-10 12:04:14,983 WARN L175 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-10 12:04:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:04:15,134 INFO L93 Difference]: Finished difference Result 18831 states and 23228 transitions. [2018-09-10 12:04:15,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-10 12:04:15,134 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 455 [2018-09-10 12:04:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:04:15,174 INFO L225 Difference]: With dead ends: 18831 [2018-09-10 12:04:15,174 INFO L226 Difference]: Without dead ends: 9435 [2018-09-10 12:04:15,203 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1850 GetRequests, 1809 SyntacticMatches, 17 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-09-10 12:04:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2018-09-10 12:04:15,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 8733. [2018-09-10 12:04:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8733 states. [2018-09-10 12:04:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 10107 transitions. [2018-09-10 12:04:15,396 INFO L78 Accepts]: Start accepts. Automaton has 8733 states and 10107 transitions. Word has length 455 [2018-09-10 12:04:15,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:04:15,396 INFO L480 AbstractCegarLoop]: Abstraction has 8733 states and 10107 transitions. [2018-09-10 12:04:15,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-10 12:04:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 8733 states and 10107 transitions. [2018-09-10 12:04:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-09-10 12:04:15,413 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:04:15,414 INFO L376 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, 5, 5, 5, 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, 2, 2, 2, 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] [2018-09-10 12:04:15,414 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:04:15,414 INFO L82 PathProgramCache]: Analyzing trace with hash 867939988, now seen corresponding path program 1 times [2018-09-10 12:04:15,414 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:04:15,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:15,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:15,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:15,416 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:04:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:15,950 WARN L175 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:04:16,156 WARN L175 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 12:04:16,354 WARN L175 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:04:16,720 WARN L175 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-09-10 12:04:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 351 proven. 298 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:04:17,294 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:17,294 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:04:17,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:17,302 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:04:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:17,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-09-10 12:04:17,845 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 243 proven. 406 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:04:18,796 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:18,796 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:04:18,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:18,815 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:04:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:19,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 516 proven. 25 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-09-10 12:04:19,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:20,206 WARN L175 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-09-10 12:04:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 245 proven. 404 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:04:21,643 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:04:21,644 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8, 10, 11] total 40 [2018-09-10 12:04:21,645 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:04:21,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-10 12:04:21,646 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-10 12:04:21,647 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1326, Unknown=0, NotChecked=0, Total=1560 [2018-09-10 12:04:21,647 INFO L87 Difference]: Start difference. First operand 8733 states and 10107 transitions. Second operand 19 states. [2018-09-10 12:04:24,136 WARN L175 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2018-09-10 12:04:27,221 WARN L175 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-09-10 12:04:27,945 WARN L175 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2018-09-10 12:04:28,270 WARN L175 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2018-09-10 12:04:30,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:04:30,770 INFO L93 Difference]: Finished difference Result 18824 states and 22013 transitions. [2018-09-10 12:04:30,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-09-10 12:04:30,770 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 468 [2018-09-10 12:04:30,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:04:30,801 INFO L225 Difference]: With dead ends: 18824 [2018-09-10 12:04:30,801 INFO L226 Difference]: Without dead ends: 10280 [2018-09-10 12:04:30,825 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1941 GetRequests, 1872 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1449 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=844, Invalid=3848, Unknown=0, NotChecked=0, Total=4692 [2018-09-10 12:04:30,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10280 states. [2018-09-10 12:04:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10280 to 9689. [2018-09-10 12:04:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9689 states. [2018-09-10 12:04:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9689 states to 9689 states and 11134 transitions. [2018-09-10 12:04:30,999 INFO L78 Accepts]: Start accepts. Automaton has 9689 states and 11134 transitions. Word has length 468 [2018-09-10 12:04:30,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:04:30,999 INFO L480 AbstractCegarLoop]: Abstraction has 9689 states and 11134 transitions. [2018-09-10 12:04:31,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-10 12:04:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9689 states and 11134 transitions. [2018-09-10 12:04:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-09-10 12:04:31,011 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:04:31,012 INFO L376 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, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:04:31,012 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:04:31,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1978711558, now seen corresponding path program 2 times [2018-09-10 12:04:31,013 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:04:31,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:31,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:31,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:31,014 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:04:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 686 proven. 229 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-09-10 12:04:32,389 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:32,389 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:04:32,396 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 12:04:32,396 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 12:04:32,575 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 12:04:32,575 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 12:04:32,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 783 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-10 12:04:32,909 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 531 proven. 73 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-10 12:04:33,624 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:33,624 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:04:33,640 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 12:04:33,640 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 12:04:34,081 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 12:04:34,081 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 12:04:34,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 617 proven. 8 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2018-09-10 12:04:34,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:35,174 WARN L175 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-09-10 12:04:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 294 proven. 331 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2018-09-10 12:04:36,010 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:04:36,011 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 8, 8] total 28 [2018-09-10 12:04:36,011 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:04:36,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-10 12:04:36,012 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-10 12:04:36,012 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=646, Unknown=0, NotChecked=0, Total=756 [2018-09-10 12:04:36,013 INFO L87 Difference]: Start difference. First operand 9689 states and 11134 transitions. Second operand 17 states. [2018-09-10 12:04:45,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:04:45,490 INFO L93 Difference]: Finished difference Result 21222 states and 25901 transitions. [2018-09-10 12:04:45,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-09-10 12:04:45,491 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 555 [2018-09-10 12:04:45,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:04:45,520 INFO L225 Difference]: With dead ends: 21222 [2018-09-10 12:04:45,521 INFO L226 Difference]: Without dead ends: 10822 [2018-09-10 12:04:45,557 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2295 GetRequests, 2223 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=834, Invalid=3456, Unknown=0, NotChecked=0, Total=4290 [2018-09-10 12:04:45,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10822 states. [2018-09-10 12:04:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10822 to 9923. [2018-09-10 12:04:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9923 states. [2018-09-10 12:04:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9923 states to 9923 states and 11178 transitions. [2018-09-10 12:04:45,761 INFO L78 Accepts]: Start accepts. Automaton has 9923 states and 11178 transitions. Word has length 555 [2018-09-10 12:04:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:04:45,762 INFO L480 AbstractCegarLoop]: Abstraction has 9923 states and 11178 transitions. [2018-09-10 12:04:45,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-10 12:04:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 9923 states and 11178 transitions. [2018-09-10 12:04:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2018-09-10 12:04:45,784 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:04:45,785 INFO L376 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, 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:04:45,785 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:04:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash -436157229, now seen corresponding path program 1 times [2018-09-10 12:04:45,786 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:04:45,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:45,788 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-10 12:04:45,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:04:45,788 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:04:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 648 proven. 83 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-10 12:04:46,648 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:46,648 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:04:46,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:46,656 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:04:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:46,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 910 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-10 12:04:47,205 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 648 proven. 83 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-10 12:04:47,721 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:04:47,721 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:04:47,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:04:47,738 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:04:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:04:48,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:04:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 910 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-10 12:04:48,605 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:04:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 648 proven. 83 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-10 12:04:49,260 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:04:49,261 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 9 [2018-09-10 12:04:49,261 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:04:49,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 12:04:49,263 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 12:04:49,263 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:04:49,264 INFO L87 Difference]: Start difference. First operand 9923 states and 11178 transitions. Second operand 7 states. [2018-09-10 12:04:52,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:04:52,058 INFO L93 Difference]: Finished difference Result 26985 states and 35259 transitions. [2018-09-10 12:04:52,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-10 12:04:52,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 668 [2018-09-10 12:04:52,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:04:52,059 INFO L225 Difference]: With dead ends: 26985 [2018-09-10 12:04:52,059 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 12:04:52,209 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2688 GetRequests, 2673 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-09-10 12:04:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 12:04:52,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 12:04:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 12:04:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 12:04:52,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 668 [2018-09-10 12:04:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:04:52,211 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 12:04:52,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 12:04:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 12:04:52,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 12:04:52,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 12:04:52,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:52,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:54,200 WARN L175 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 468 DAG size of output: 391 [2018-09-10 12:04:54,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:54,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:04:56,017 WARN L175 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 468 DAG size of output: 391 [2018-09-10 12:04:56,372 WARN L175 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 15 [2018-09-10 12:04:57,170 WARN L175 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2018-09-10 12:04:57,467 WARN L175 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2018-09-10 12:04:58,899 WARN L175 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 245 DAG size of output: 46 [2018-09-10 12:05:02,629 WARN L175 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 377 DAG size of output: 47 [2018-09-10 12:05:06,057 WARN L175 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 377 DAG size of output: 47 [2018-09-10 12:05:06,061 INFO L426 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-09-10 12:05:06,061 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-10 12:05:06,062 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-09-10 12:05:06,063 INFO L426 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,064 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 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. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-09-10 12:05:06,065 INFO L426 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-10 12:05:06,066 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-09-10 12:05:06,067 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,068 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-09-10 12:05:06,069 INFO L426 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-09-10 12:05:06,070 INFO L426 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-10 12:05:06,071 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-10 12:05:06,072 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,073 INFO L426 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,074 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,075 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,075 INFO L426 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-09-10 12:05:06,075 INFO L422 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 ((.cse6 (= |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__a24~0)) (.cse7 (= ~__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)|)) (.cse8 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|)) (.cse5 (= ~__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)|))) (let ((.cse2 (and .cse6 .cse7 .cse8 .cse5)) (.cse4 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1))) (.cse0 (< 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 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 5))) (.cse3 (and .cse5 .cse6 .cse7 .cse8))) (and (or (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 2) .cse0 .cse1 .cse2) (or .cse3 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 10) .cse4) (or .cse2 (< 11 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) .cse4) (or .cse3 .cse1 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7))) (or .cse2 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 6) .cse4) (or (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) .cse0 .cse1 .cse3)))) [2018-09-10 12:05:06,075 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-10 12:05:06,075 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,076 INFO L426 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,077 INFO L426 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,078 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 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. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-09-10 12:05:06,079 INFO L426 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-09-10 12:05:06,080 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,081 INFO L426 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-09-10 12:05:06,082 INFO L426 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,083 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,084 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-09-10 12:05:06,085 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-09-10 12:05:06,086 INFO L426 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-09-10 12:05:06,087 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-10 12:05:06,088 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |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__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)|)) [2018-09-10 12:05:06,088 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-10 12:05:06,088 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-10 12:05:06,088 INFO L422 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__a21~0 7) (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) [2018-09-10 12:05:06,088 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-10 12:05:06,088 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-10 12:05:06,088 INFO L422 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)|) (= |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__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))) [2018-09-10 12:05:06,088 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-09-10 12:05:06,089 INFO L422 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0)) (.cse0 (= 5 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse2 (= 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 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 2)) .cse1) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7)) (< 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 .cse2 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 10))) (and (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 7) .cse0 .cse1) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)) (and .cse0 (= ~__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__a15~0)| 8)) (and .cse2 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 11)) (and .cse2 (not (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))))) [2018-09-10 12:05:06,089 INFO L426 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-09-10 12:05:06,089 INFO L426 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-09-10 12:05:06,089 INFO L426 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-09-10 12:05:06,089 INFO L422 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0)) (.cse0 (= 5 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse2 (= 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 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 2)) .cse1) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7)) (< 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 .cse2 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 10))) (and (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 7) .cse0 .cse1) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)) (and .cse0 (= ~__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__a15~0)| 8)) (and .cse2 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 11)) (and .cse2 (not (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))))) [2018-09-10 12:05:06,089 INFO L426 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-09-10 12:05:06,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:05:06 BoogieIcfgContainer [2018-09-10 12:05:06,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:05:06,114 INFO L168 Benchmark]: Toolchain (without parser) took 115262.63 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -477.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-10 12:05:06,116 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 12:05:06,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:05:06,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.81 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. [2018-09-10 12:05:06,119 INFO L168 Benchmark]: Boogie Preprocessor took 286.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -883.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2018-09-10 12:05:06,123 INFO L168 Benchmark]: RCFGBuilder took 3995.58 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: 150.3 MB). Peak memory consumption was 150.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:05:06,124 INFO L168 Benchmark]: TraceAbstraction took 110059.02 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 202.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-10 12:05:06,132 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 795.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 116.81 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 286.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -883.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3995.58 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: 150.3 MB). Peak memory consumption was 150.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 110059.02 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 202.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: ((((((((((5 == __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__a24 == 2)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 + 49 <= 0) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) == 7)) || 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 == 10))) || ((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 <= 7 && 5 == __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__a12 + 49 <= 0)) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) == 1)) || (5 == __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)) || !(\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 && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 <= 11)) || (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)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 109.9s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 59.5s AutomataDifference, 0.0s DeadEndRemovalTime, 13.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1155 SDtfs, 19715 SDslu, 2417 SDs, 0 SdLazy, 31509 SolverSat, 5323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13581 GetRequests, 13248 SyntacticMatches, 44 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3655 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9923occurred in iteration=11, 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: 1.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 4716 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 350 PreInvPairs, 640 NumberOfFragments, 351 HoareAnnotationTreeSize, 350 FomulaSimplifications, 222164 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 63640 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 27.3s InterpolantComputationTime, 10835 NumberOfCodeBlocks, 10835 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 17415 ConstructedInterpolants, 0 QuantifiedInterpolants, 42976600 SizeOfPredicates, 50 NumberOfNonLiveVariables, 10199 ConjunctsInSsa, 241 ConjunctsInUnsatCore, 40 InterpolantComputations, 6 PerfectInterpolantSequences, 24568/28215 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_label33_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-05-06-160.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label33_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-05-06-160.csv Received shutdown request...