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_label55_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:05:49,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:05:49,081 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:05:49,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:05:49,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:05:49,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:05:49,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:05:49,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:05:49,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:05:49,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:05:49,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:05:49,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:05:49,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:05:49,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:05:49,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:05:49,110 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:05:49,111 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:05:49,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:05:49,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:05:49,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:05:49,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:05:49,118 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:05:49,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:05:49,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:05:49,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:05:49,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:05:49,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:05:49,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:05:49,131 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:05:49,132 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:05:49,132 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:05:49,133 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:05:49,133 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:05:49,133 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:05:49,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:05:49,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:05:49,136 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 12:05:49,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:05:49,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:05:49,160 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:05:49,160 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:05:49,161 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:05:49,161 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:05:49,161 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:05:49,161 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:05:49,161 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:05:49,162 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:05:49,162 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:05:49,163 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:05:49,163 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:05:49,163 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:05:49,163 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:05:49,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:05:49,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:05:49,164 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:05:49,164 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:05:49,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:05:49,164 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:05:49,165 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:05:49,165 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:05:49,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:05:49,165 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:05:49,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:05:49,166 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:05:49,166 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:05:49,166 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:05:49,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:05:49,166 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:05:49,167 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:05:49,167 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:05:49,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:05:49,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:05:49,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:05:49,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:05:49,250 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:05:49,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-09-10 12:05:49,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c8df9e2/ba11ff107c54467889740e4356790f1c/FLAGb991eff90 [2018-09-10 12:05:49,943 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:05:49,946 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-09-10 12:05:49,970 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c8df9e2/ba11ff107c54467889740e4356790f1c/FLAGb991eff90 [2018-09-10 12:05:49,993 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c8df9e2/ba11ff107c54467889740e4356790f1c [2018-09-10 12:05:50,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:05:50,011 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:05:50,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:05:50,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:05:50,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:05:50,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:05:49" (1/1) ... [2018-09-10 12:05:50,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e80f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50, skipping insertion in model container [2018-09-10 12:05:50,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:05:49" (1/1) ... [2018-09-10 12:05:50,246 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:05:50,577 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:05:50,598 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:05:50,824 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:05:50,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50 WrapperNode [2018-09-10 12:05:50,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:05:50,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:05:50,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:05:50,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:05:50,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:50,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:05:51,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:05:51,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:05:51,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:05:51,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (1/1) ... [2018-09-10 12:05:51,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:05:51,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:05:51,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:05:51,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:05:51,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (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 12:05:51,382 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 12:05:51,383 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 12:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:05:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:05:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:05:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:05:54,947 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:05:54,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:05:54 BoogieIcfgContainer [2018-09-10 12:05:54,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:05:54,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:05:54,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:05:54,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:05:54,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:05:49" (1/3) ... [2018-09-10 12:05:54,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d12e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:05:54, skipping insertion in model container [2018-09-10 12:05:54,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:05:50" (2/3) ... [2018-09-10 12:05:54,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d12e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:05:54, skipping insertion in model container [2018-09-10 12:05:54,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:05:54" (3/3) ... [2018-09-10 12:05:54,957 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label55_true-unreach-call_false-termination.c [2018-09-10 12:05:54,967 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:05:54,978 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:05:55,033 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:05:55,034 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:05:55,035 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:05:55,035 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:05:55,035 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:05:55,035 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:05:55,035 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:05:55,036 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:05:55,036 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:05:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-10 12:05:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-10 12:05:55,074 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:05:55,075 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] [2018-09-10 12:05:55,076 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 12:05:55,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1958248756, now seen corresponding path program 1 times [2018-09-10 12:05:55,083 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:05:55,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:05:55,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:05:55,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:05:55,129 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:05:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:05:55,546 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 12:05:55,548 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:05:55,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:05:55,549 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:05:55,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:05:55,571 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:05:55,571 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:05:55,574 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-09-10 12:05:58,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:05:58,695 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-09-10 12:05:58,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:05:58,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-09-10 12:05:58,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:05:58,720 INFO L225 Difference]: With dead ends: 894 [2018-09-10 12:05:58,721 INFO L226 Difference]: Without dead ends: 633 [2018-09-10 12:05:58,730 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 12:05:58,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-09-10 12:05:58,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-09-10 12:05:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-09-10 12:05:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1007 transitions. [2018-09-10 12:05:58,826 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1007 transitions. Word has length 64 [2018-09-10 12:05:58,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:05:58,827 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 1007 transitions. [2018-09-10 12:05:58,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:05:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1007 transitions. [2018-09-10 12:05:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-09-10 12:05:58,839 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:05:58,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:58,840 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 12:05:58,840 INFO L82 PathProgramCache]: Analyzing trace with hash -103647999, now seen corresponding path program 1 times [2018-09-10 12:05:58,840 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:05:58,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:05:58,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:05:58,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:05:58,842 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:05:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:05:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:05:59,176 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:05:59,177 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:05:59,177 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:05:59,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:05:59,179 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:05:59,180 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:05:59,180 INFO L87 Difference]: Start difference. First operand 633 states and 1007 transitions. Second operand 4 states. [2018-09-10 12:06:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:03,139 INFO L93 Difference]: Finished difference Result 2358 states and 3926 transitions. [2018-09-10 12:06:03,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:06:03,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2018-09-10 12:06:03,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:03,162 INFO L225 Difference]: With dead ends: 2358 [2018-09-10 12:06:03,163 INFO L226 Difference]: Without dead ends: 1731 [2018-09-10 12:06:03,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:06:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-09-10 12:06:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-09-10 12:06:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-09-10 12:06:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2621 transitions. [2018-09-10 12:06:03,280 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2621 transitions. Word has length 177 [2018-09-10 12:06:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:03,281 INFO L480 AbstractCegarLoop]: Abstraction has 1731 states and 2621 transitions. [2018-09-10 12:06:03,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:06:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2621 transitions. [2018-09-10 12:06:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-09-10 12:06:03,297 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:03,298 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2018-09-10 12:06:03,298 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 12:06:03,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1837730396, now seen corresponding path program 1 times [2018-09-10 12:06:03,299 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:03,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:03,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:03,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:03,300 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:03,990 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:03,990 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 12:06:04,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:04,013 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:04,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:04,482 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:04,947 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:04,948 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:06:04,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:04,977 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:05,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:05,367 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:05,519 WARN L175 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-10 12:06:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:05,812 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:06:05,812 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-10 12:06:05,812 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:06:05,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 12:06:05,815 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 12:06:05,815 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:06:05,816 INFO L87 Difference]: Start difference. First operand 1731 states and 2621 transitions. Second operand 9 states. [2018-09-10 12:06:13,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:13,423 INFO L93 Difference]: Finished difference Result 5315 states and 8807 transitions. [2018-09-10 12:06:13,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-10 12:06:13,427 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2018-09-10 12:06:13,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:13,457 INFO L225 Difference]: With dead ends: 5315 [2018-09-10 12:06:13,457 INFO L226 Difference]: Without dead ends: 2965 [2018-09-10 12:06:13,495 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1062 GetRequests, 1039 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2018-09-10 12:06:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2018-09-10 12:06:13,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2900. [2018-09-10 12:06:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2900 states. [2018-09-10 12:06:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4107 transitions. [2018-09-10 12:06:13,643 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4107 transitions. Word has length 260 [2018-09-10 12:06:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:13,644 INFO L480 AbstractCegarLoop]: Abstraction has 2900 states and 4107 transitions. [2018-09-10 12:06:13,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 12:06:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4107 transitions. [2018-09-10 12:06:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-10 12:06:13,658 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:13,658 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:13,658 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 12:06:13,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1583754880, now seen corresponding path program 1 times [2018-09-10 12:06:13,659 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:13,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:13,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:13,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:13,661 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:14,257 WARN L175 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-10 12:06:14,913 WARN L175 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2018-09-10 12:06:15,143 WARN L175 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-09-10 12:06:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:15,754 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:15,754 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 12:06:15,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:15,768 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:15,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:06:16,061 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:06:16,208 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 12:06:16,209 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [11] total 13 [2018-09-10 12:06:16,209 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:06:16,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:06:16,210 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:06:16,210 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-09-10 12:06:16,210 INFO L87 Difference]: Start difference. First operand 2900 states and 4107 transitions. Second operand 3 states. [2018-09-10 12:06:17,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:17,765 INFO L93 Difference]: Finished difference Result 8244 states and 12421 transitions. [2018-09-10 12:06:17,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:06:17,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2018-09-10 12:06:17,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:17,808 INFO L225 Difference]: With dead ends: 8244 [2018-09-10 12:06:17,808 INFO L226 Difference]: Without dead ends: 5350 [2018-09-10 12:06:17,843 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 527 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-09-10 12:06:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5350 states. [2018-09-10 12:06:17,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5350 to 5350. [2018-09-10 12:06:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5350 states. [2018-09-10 12:06:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5350 states to 5350 states and 7350 transitions. [2018-09-10 12:06:18,005 INFO L78 Accepts]: Start accepts. Automaton has 5350 states and 7350 transitions. Word has length 264 [2018-09-10 12:06:18,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:18,006 INFO L480 AbstractCegarLoop]: Abstraction has 5350 states and 7350 transitions. [2018-09-10 12:06:18,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:06:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5350 states and 7350 transitions. [2018-09-10 12:06:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-09-10 12:06:18,026 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:18,027 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 12:06:18,027 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 12:06:18,027 INFO L82 PathProgramCache]: Analyzing trace with hash 701175884, now seen corresponding path program 1 times [2018-09-10 12:06:18,027 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:18,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:18,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:18,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:18,029 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:18,291 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:18,291 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:06:18,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:18,300 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:18,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:18,523 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:18,674 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:18,674 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 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:06:18,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:18,690 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:18,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:18,937 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:19,140 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:06:19,140 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-10 12:06:19,141 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:06:19,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 12:06:19,141 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 12:06:19,142 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:06:19,142 INFO L87 Difference]: Start difference. First operand 5350 states and 7350 transitions. Second operand 9 states. [2018-09-10 12:06:22,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:22,410 INFO L93 Difference]: Finished difference Result 10581 states and 14724 transitions. [2018-09-10 12:06:22,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-10 12:06:22,410 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 272 [2018-09-10 12:06:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:22,436 INFO L225 Difference]: With dead ends: 10581 [2018-09-10 12:06:22,437 INFO L226 Difference]: Without dead ends: 4268 [2018-09-10 12:06:22,461 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1108 GetRequests, 1086 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2018-09-10 12:06:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4268 states. [2018-09-10 12:06:22,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4268 to 4163. [2018-09-10 12:06:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4163 states. [2018-09-10 12:06:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5275 transitions. [2018-09-10 12:06:22,576 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5275 transitions. Word has length 272 [2018-09-10 12:06:22,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:22,576 INFO L480 AbstractCegarLoop]: Abstraction has 4163 states and 5275 transitions. [2018-09-10 12:06:22,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 12:06:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5275 transitions. [2018-09-10 12:06:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-09-10 12:06:22,591 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:22,591 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:22,592 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 12:06:22,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1818998429, now seen corresponding path program 1 times [2018-09-10 12:06:22,592 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:22,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:22,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:22,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:22,593 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 165 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:23,118 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:23,118 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:06:23,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:23,126 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:23,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-09-10 12:06:23,273 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-09-10 12:06:23,382 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 12:06:23,382 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-09-10 12:06:23,382 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:06:23,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:06:23,383 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:06:23,383 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:06:23,383 INFO L87 Difference]: Start difference. First operand 4163 states and 5275 transitions. Second operand 3 states. [2018-09-10 12:06:24,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:24,553 INFO L93 Difference]: Finished difference Result 9284 states and 12390 transitions. [2018-09-10 12:06:24,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:06:24,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2018-09-10 12:06:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:24,587 INFO L225 Difference]: With dead ends: 9284 [2018-09-10 12:06:24,587 INFO L226 Difference]: Without dead ends: 5490 [2018-09-10 12:06:24,604 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 565 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:06:24,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2018-09-10 12:06:24,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 5300. [2018-09-10 12:06:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5300 states. [2018-09-10 12:06:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 6949 transitions. [2018-09-10 12:06:24,757 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 6949 transitions. Word has length 283 [2018-09-10 12:06:24,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:24,758 INFO L480 AbstractCegarLoop]: Abstraction has 5300 states and 6949 transitions. [2018-09-10 12:06:24,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:06:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 6949 transitions. [2018-09-10 12:06:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-09-10 12:06:24,779 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:24,779 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:24,780 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 12:06:24,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1977139105, now seen corresponding path program 1 times [2018-09-10 12:06:24,780 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:24,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:24,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:24,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:24,781 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 167 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:25,944 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:25,944 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 12:06:25,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:25,952 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:26,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-09-10 12:06:26,301 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:26,516 WARN L175 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-09-10 12:06:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 114 proven. 108 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:06:26,980 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:06:26,981 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 5] total 17 [2018-09-10 12:06:26,981 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:06:26,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:06:26,981 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:06:26,982 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-09-10 12:06:26,982 INFO L87 Difference]: Start difference. First operand 5300 states and 6949 transitions. Second operand 5 states. [2018-09-10 12:06:29,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:29,555 INFO L93 Difference]: Finished difference Result 12868 states and 16626 transitions. [2018-09-10 12:06:29,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:06:29,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2018-09-10 12:06:29,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:29,609 INFO L225 Difference]: With dead ends: 12868 [2018-09-10 12:06:29,610 INFO L226 Difference]: Without dead ends: 6995 [2018-09-10 12:06:29,634 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 590 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2018-09-10 12:06:29,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6995 states. [2018-09-10 12:06:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6995 to 6382. [2018-09-10 12:06:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6382 states. [2018-09-10 12:06:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6382 states to 6382 states and 8186 transitions. [2018-09-10 12:06:29,914 INFO L78 Accepts]: Start accepts. Automaton has 6382 states and 8186 transitions. Word has length 297 [2018-09-10 12:06:29,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:29,915 INFO L480 AbstractCegarLoop]: Abstraction has 6382 states and 8186 transitions. [2018-09-10 12:06:29,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:06:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6382 states and 8186 transitions. [2018-09-10 12:06:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-09-10 12:06:29,948 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:29,949 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:29,949 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 12:06:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1676240920, now seen corresponding path program 1 times [2018-09-10 12:06:29,949 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:29,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:29,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:29,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:29,951 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:30,257 WARN L175 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:06:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 171 proven. 132 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-09-10 12:06:30,524 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:30,524 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:06:30,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:30,538 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:30,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-09-10 12:06:31,124 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 171 proven. 132 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-09-10 12:06:31,372 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:06:31,373 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 9 [2018-09-10 12:06:31,373 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:06:31,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:06:31,373 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:06:31,373 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:06:31,374 INFO L87 Difference]: Start difference. First operand 6382 states and 8186 transitions. Second operand 5 states. [2018-09-10 12:06:32,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:32,768 INFO L93 Difference]: Finished difference Result 11398 states and 14364 transitions. [2018-09-10 12:06:32,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:06:32,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 368 [2018-09-10 12:06:32,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:32,791 INFO L225 Difference]: With dead ends: 11398 [2018-09-10 12:06:32,791 INFO L226 Difference]: Without dead ends: 5418 [2018-09-10 12:06:32,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 730 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:06:32,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2018-09-10 12:06:32,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 5339. [2018-09-10 12:06:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5339 states. [2018-09-10 12:06:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 6220 transitions. [2018-09-10 12:06:32,929 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 6220 transitions. Word has length 368 [2018-09-10 12:06:32,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:32,930 INFO L480 AbstractCegarLoop]: Abstraction has 5339 states and 6220 transitions. [2018-09-10 12:06:32,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:06:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 6220 transitions. [2018-09-10 12:06:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-09-10 12:06:32,954 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:32,955 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:32,955 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 12:06:32,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1179898644, now seen corresponding path program 1 times [2018-09-10 12:06:32,955 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:32,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:32,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:32,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:32,957 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 259 proven. 190 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:06:34,004 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:34,004 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 12:06:34,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:34,014 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:34,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:34,539 WARN L175 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:06:34,941 WARN L175 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:06:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 343 proven. 53 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-09-10 12:06:35,207 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 181 proven. 268 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:06:35,840 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:35,841 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 12:06:35,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:35,858 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:36,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 343 proven. 53 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-09-10 12:06:36,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:37,077 WARN L175 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-10 12:06:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 181 proven. 268 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:06:37,657 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:06:37,657 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8, 8, 8] total 26 [2018-09-10 12:06:37,657 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:06:37,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-10 12:06:37,659 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-10 12:06:37,659 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-09-10 12:06:37,660 INFO L87 Difference]: Start difference. First operand 5339 states and 6220 transitions. Second operand 15 states. [2018-09-10 12:06:38,624 WARN L175 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-09-10 12:06:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:42,094 INFO L93 Difference]: Finished difference Result 11478 states and 13350 transitions. [2018-09-10 12:06:42,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-10 12:06:42,095 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 382 [2018-09-10 12:06:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:42,112 INFO L225 Difference]: With dead ends: 11478 [2018-09-10 12:06:42,112 INFO L226 Difference]: Without dead ends: 6312 [2018-09-10 12:06:42,126 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1569 GetRequests, 1524 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=402, Invalid=1238, Unknown=0, NotChecked=0, Total=1640 [2018-09-10 12:06:42,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6312 states. [2018-09-10 12:06:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6312 to 5985. [2018-09-10 12:06:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5985 states. [2018-09-10 12:06:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5985 states to 5985 states and 6662 transitions. [2018-09-10 12:06:42,231 INFO L78 Accepts]: Start accepts. Automaton has 5985 states and 6662 transitions. Word has length 382 [2018-09-10 12:06:42,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:42,232 INFO L480 AbstractCegarLoop]: Abstraction has 5985 states and 6662 transitions. [2018-09-10 12:06:42,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-10 12:06:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5985 states and 6662 transitions. [2018-09-10 12:06:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-09-10 12:06:42,258 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:42,259 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:42,259 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 12:06:42,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1712239629, now seen corresponding path program 1 times [2018-09-10 12:06:42,260 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:42,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:42,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:42,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:42,262 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 278 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:06:43,230 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:43,230 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 12:06:43,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:43,298 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:43,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-09-10 12:06:43,581 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 171 proven. 210 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-09-10 12:06:43,990 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:06:43,990 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 5] total 16 [2018-09-10 12:06:43,990 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:06:43,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:06:43,991 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:06:43,991 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-09-10 12:06:43,991 INFO L87 Difference]: Start difference. First operand 5985 states and 6662 transitions. Second operand 5 states. [2018-09-10 12:06:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:45,567 INFO L93 Difference]: Finished difference Result 11405 states and 12863 transitions. [2018-09-10 12:06:45,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:06:45,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 407 [2018-09-10 12:06:45,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:45,588 INFO L225 Difference]: With dead ends: 11405 [2018-09-10 12:06:45,588 INFO L226 Difference]: Without dead ends: 5794 [2018-09-10 12:06:45,601 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 811 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2018-09-10 12:06:45,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5794 states. [2018-09-10 12:06:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5794 to 5781. [2018-09-10 12:06:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5781 states. [2018-09-10 12:06:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 6406 transitions. [2018-09-10 12:06:45,696 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 6406 transitions. Word has length 407 [2018-09-10 12:06:45,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:45,697 INFO L480 AbstractCegarLoop]: Abstraction has 5781 states and 6406 transitions. [2018-09-10 12:06:45,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:06:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 6406 transitions. [2018-09-10 12:06:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2018-09-10 12:06:45,721 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:45,721 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:45,721 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 12:06:45,722 INFO L82 PathProgramCache]: Analyzing trace with hash 876284692, now seen corresponding path program 1 times [2018-09-10 12:06:45,722 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:45,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:45,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:45,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:45,723 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:46,594 WARN L175 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:06:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 460 proven. 112 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-09-10 12:06:46,822 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:46,822 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:06:46,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:46,830 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:46,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 726 proven. 2 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-09-10 12:06:47,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:47,561 WARN L175 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2018-09-10 12:06:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 460 proven. 112 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-09-10 12:06:47,983 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:47,983 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:06:47,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:47,999 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:48,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 720 proven. 8 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-09-10 12:06:48,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 460 proven. 112 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-09-10 12:06:49,567 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:06:49,567 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 8, 5] total 16 [2018-09-10 12:06:49,567 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:06:49,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 12:06:49,568 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 12:06:49,569 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-09-10 12:06:49,569 INFO L87 Difference]: Start difference. First operand 5781 states and 6406 transitions. Second operand 7 states. [2018-09-10 12:06:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:06:51,610 INFO L93 Difference]: Finished difference Result 12681 states and 14103 transitions. [2018-09-10 12:06:51,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-10 12:06:51,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 518 [2018-09-10 12:06:51,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:06:51,627 INFO L225 Difference]: With dead ends: 12681 [2018-09-10 12:06:51,627 INFO L226 Difference]: Without dead ends: 5588 [2018-09-10 12:06:51,641 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2092 GetRequests, 2061 SyntacticMatches, 12 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-09-10 12:06:51,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5588 states. [2018-09-10 12:06:51,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5588 to 5449. [2018-09-10 12:06:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5449 states. [2018-09-10 12:06:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5449 states to 5449 states and 5901 transitions. [2018-09-10 12:06:51,733 INFO L78 Accepts]: Start accepts. Automaton has 5449 states and 5901 transitions. Word has length 518 [2018-09-10 12:06:51,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:06:51,734 INFO L480 AbstractCegarLoop]: Abstraction has 5449 states and 5901 transitions. [2018-09-10 12:06:51,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 12:06:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5449 states and 5901 transitions. [2018-09-10 12:06:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2018-09-10 12:06:51,745 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:06:51,746 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:06:51,746 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 12:06:51,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1327977857, now seen corresponding path program 1 times [2018-09-10 12:06:51,746 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:06:51,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:51,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:51,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:06:51,748 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:06:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:52,330 WARN L175 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 12:06:52,530 WARN L175 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-10 12:06:52,759 WARN L175 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-10 12:06:53,143 WARN L175 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-10 12:06:53,597 WARN L175 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-10 12:06:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 616 proven. 482 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-09-10 12:06:54,351 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:54,351 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:06:54,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:54,359 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:54,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 956 proven. 2 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-09-10 12:06:55,006 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 610 proven. 112 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2018-09-10 12:06:55,694 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:06:55,694 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 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:06:55,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:06:55,712 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:06:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:06:56,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:06:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 748 proven. 210 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-09-10 12:06:56,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:06:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 321 proven. 690 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-09-10 12:06:57,973 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:06:57,973 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-09-10 12:06:57,973 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:06:57,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-10 12:06:57,975 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-10 12:06:57,975 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-09-10 12:06:57,975 INFO L87 Difference]: Start difference. First operand 5449 states and 5901 transitions. Second operand 13 states. [2018-09-10 12:07:01,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:07:01,143 INFO L93 Difference]: Finished difference Result 10888 states and 12055 transitions. [2018-09-10 12:07:01,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-10 12:07:01,144 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 603 [2018-09-10 12:07:01,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:07:01,159 INFO L225 Difference]: With dead ends: 10888 [2018-09-10 12:07:01,159 INFO L226 Difference]: Without dead ends: 5419 [2018-09-10 12:07:01,169 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2442 GetRequests, 2401 SyntacticMatches, 17 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-09-10 12:07:01,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5419 states. [2018-09-10 12:07:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5419 to 5284. [2018-09-10 12:07:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5284 states. [2018-09-10 12:07:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 5632 transitions. [2018-09-10 12:07:01,252 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 5632 transitions. Word has length 603 [2018-09-10 12:07:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:07:01,253 INFO L480 AbstractCegarLoop]: Abstraction has 5284 states and 5632 transitions. [2018-09-10 12:07:01,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-10 12:07:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 5632 transitions. [2018-09-10 12:07:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2018-09-10 12:07:01,261 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:07:01,262 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:07:01,262 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__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 12:07:01,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1429903125, now seen corresponding path program 2 times [2018-09-10 12:07:01,263 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:07:01,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:01,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:01,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:01,264 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:07:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 642 proven. 534 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-09-10 12:07:02,952 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:02,952 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:07:02,959 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 12:07:02,959 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 12:07:03,161 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 12:07:03,161 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 12:07:03,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 1008 proven. 2 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2018-09-10 12:07:03,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 636 proven. 112 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-09-10 12:07:04,430 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:04,430 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 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:07:04,446 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 12:07:04,446 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 12:07:04,879 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 12:07:04,880 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 12:07:04,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 993 proven. 17 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2018-09-10 12:07:06,335 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:06,707 WARN L175 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-09-10 12:07:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 315 proven. 748 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-10 12:07:08,632 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:07:08,633 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5, 10, 11] total 31 [2018-09-10 12:07:08,633 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:07:08,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-10 12:07:08,635 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-10 12:07:08,635 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2018-09-10 12:07:08,636 INFO L87 Difference]: Start difference. First operand 5284 states and 5632 transitions. Second operand 18 states. [2018-09-10 12:07:11,729 WARN L175 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2018-09-10 12:07:13,112 WARN L175 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-09-10 12:07:13,312 WARN L175 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-09-10 12:07:14,873 WARN L175 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-09-10 12:07:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:07:16,032 INFO L93 Difference]: Finished difference Result 10887 states and 11746 transitions. [2018-09-10 12:07:16,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-09-10 12:07:16,033 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 629 [2018-09-10 12:07:16,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:07:16,047 INFO L225 Difference]: With dead ends: 10887 [2018-09-10 12:07:16,048 INFO L226 Difference]: Without dead ends: 5662 [2018-09-10 12:07:16,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2585 GetRequests, 2510 SyntacticMatches, 14 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 985 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=734, Invalid=3172, Unknown=0, NotChecked=0, Total=3906 [2018-09-10 12:07:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5662 states. [2018-09-10 12:07:16,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5662 to 5284. [2018-09-10 12:07:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5284 states. [2018-09-10 12:07:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 5570 transitions. [2018-09-10 12:07:16,146 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 5570 transitions. Word has length 629 [2018-09-10 12:07:16,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:07:16,147 INFO L480 AbstractCegarLoop]: Abstraction has 5284 states and 5570 transitions. [2018-09-10 12:07:16,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-10 12:07:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 5570 transitions. [2018-09-10 12:07:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2018-09-10 12:07:16,157 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:07:16,157 INFO L376 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2018-09-10 12:07:16,158 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__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 12:07:16,158 INFO L82 PathProgramCache]: Analyzing trace with hash -350743391, now seen corresponding path program 1 times [2018-09-10 12:07:16,158 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:07:16,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:16,159 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-10 12:07:16,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:16,159 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:07:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 785 proven. 683 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-09-10 12:07:17,927 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:17,928 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:07:17,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:17,935 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:18,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1227 proven. 2 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-09-10 12:07:18,717 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:18,890 WARN L175 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2018-09-10 12:07:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 777 proven. 112 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2018-09-10 12:07:19,800 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:19,801 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 20 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 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:07:19,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:19,817 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:20,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1221 proven. 8 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-09-10 12:07:20,830 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 366 proven. 916 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2018-09-10 12:07:22,309 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:07:22,310 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 8, 8] total 28 [2018-09-10 12:07:22,310 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:07:22,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-10 12:07:22,312 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-10 12:07:22,312 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2018-09-10 12:07:22,313 INFO L87 Difference]: Start difference. First operand 5284 states and 5570 transitions. Second operand 17 states. [2018-09-10 12:07:29,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:07:29,935 INFO L93 Difference]: Finished difference Result 10479 states and 11253 transitions. [2018-09-10 12:07:29,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-09-10 12:07:29,935 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 755 [2018-09-10 12:07:29,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:07:29,946 INFO L225 Difference]: With dead ends: 10479 [2018-09-10 12:07:29,947 INFO L226 Difference]: Without dead ends: 4417 [2018-09-10 12:07:29,957 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3093 GetRequests, 3020 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1003, Invalid=3553, Unknown=0, NotChecked=0, Total=4556 [2018-09-10 12:07:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2018-09-10 12:07:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 3833. [2018-09-10 12:07:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3833 states. [2018-09-10 12:07:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 4005 transitions. [2018-09-10 12:07:30,025 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 4005 transitions. Word has length 755 [2018-09-10 12:07:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:07:30,025 INFO L480 AbstractCegarLoop]: Abstraction has 3833 states and 4005 transitions. [2018-09-10 12:07:30,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-10 12:07:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 4005 transitions. [2018-09-10 12:07:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2018-09-10 12:07:30,033 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:07:30,034 INFO L376 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:30,034 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__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 12:07:30,034 INFO L82 PathProgramCache]: Analyzing trace with hash 236930240, now seen corresponding path program 1 times [2018-09-10 12:07:30,035 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:07:30,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:30,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:30,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:30,036 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:07:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 607 proven. 150 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2018-09-10 12:07:30,831 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:30,831 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:07:30,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:30,842 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:31,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 1293 proven. 2 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2018-09-10 12:07:31,336 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 607 proven. 150 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2018-09-10 12:07:31,695 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:31,695 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 22 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 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:07:31,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:31,710 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:32,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 1293 proven. 2 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2018-09-10 12:07:32,498 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 607 proven. 150 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2018-09-10 12:07:32,819 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:07:32,820 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 8 [2018-09-10 12:07:32,820 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:07:32,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 12:07:32,822 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 12:07:32,822 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:07:32,822 INFO L87 Difference]: Start difference. First operand 3833 states and 4005 transitions. Second operand 7 states. [2018-09-10 12:07:34,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:07:34,290 INFO L93 Difference]: Finished difference Result 8575 states and 9003 transitions. [2018-09-10 12:07:34,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-10 12:07:34,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 780 [2018-09-10 12:07:34,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:07:34,300 INFO L225 Difference]: With dead ends: 8575 [2018-09-10 12:07:34,300 INFO L226 Difference]: Without dead ends: 4933 [2018-09-10 12:07:34,305 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3131 GetRequests, 3117 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:07:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4933 states. [2018-09-10 12:07:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4933 to 4912. [2018-09-10 12:07:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4912 states. [2018-09-10 12:07:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4912 states and 5124 transitions. [2018-09-10 12:07:34,386 INFO L78 Accepts]: Start accepts. Automaton has 4912 states and 5124 transitions. Word has length 780 [2018-09-10 12:07:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:07:34,387 INFO L480 AbstractCegarLoop]: Abstraction has 4912 states and 5124 transitions. [2018-09-10 12:07:34,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 12:07:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4912 states and 5124 transitions. [2018-09-10 12:07:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2018-09-10 12:07:34,399 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:07:34,400 INFO L376 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:34,400 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__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 12:07:34,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1440059120, now seen corresponding path program 1 times [2018-09-10 12:07:34,400 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:07:34,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:34,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:34,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:34,402 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:07:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 754 proven. 150 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2018-09-10 12:07:35,573 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:35,573 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:07:35,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:35,581 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:35,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 1710 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-09-10 12:07:36,227 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 754 proven. 150 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2018-09-10 12:07:36,665 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:36,665 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 24 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 24 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:07:36,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:36,681 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:37,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 1710 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-09-10 12:07:37,652 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 754 proven. 150 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2018-09-10 12:07:38,077 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:07:38,078 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 5, 5] total 11 [2018-09-10 12:07:38,078 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:07:38,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-10 12:07:38,079 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-10 12:07:38,079 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-10 12:07:38,080 INFO L87 Difference]: Start difference. First operand 4912 states and 5124 transitions. Second operand 10 states. [2018-09-10 12:07:40,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:07:40,439 INFO L93 Difference]: Finished difference Result 10019 states and 10483 transitions. [2018-09-10 12:07:40,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-10 12:07:40,439 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 940 [2018-09-10 12:07:40,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:07:40,448 INFO L225 Difference]: With dead ends: 10019 [2018-09-10 12:07:40,448 INFO L226 Difference]: Without dead ends: 5298 [2018-09-10 12:07:40,453 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3789 GetRequests, 3760 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-09-10 12:07:40,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5298 states. [2018-09-10 12:07:40,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5298 to 5278. [2018-09-10 12:07:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5278 states. [2018-09-10 12:07:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5278 states to 5278 states and 5487 transitions. [2018-09-10 12:07:40,520 INFO L78 Accepts]: Start accepts. Automaton has 5278 states and 5487 transitions. Word has length 940 [2018-09-10 12:07:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:07:40,521 INFO L480 AbstractCegarLoop]: Abstraction has 5278 states and 5487 transitions. [2018-09-10 12:07:40,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-10 12:07:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 5278 states and 5487 transitions. [2018-09-10 12:07:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2018-09-10 12:07:40,534 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:07:40,535 INFO L376 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:07:40,535 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__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 12:07:40,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1594961832, now seen corresponding path program 1 times [2018-09-10 12:07:40,536 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:07:40,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:40,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:40,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:07:40,537 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:07:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:41,336 WARN L175 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-10 12:07:41,483 WARN L175 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-10 12:07:41,954 WARN L175 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 13 [2018-09-10 12:07:42,272 WARN L175 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-09-10 12:07:42,785 WARN L175 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2018-09-10 12:07:42,967 WARN L175 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2018-09-10 12:07:43,120 WARN L175 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2018-09-10 12:07:43,289 WARN L175 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2018-09-10 12:07:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3947 backedges. 1398 proven. 2383 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-09-10 12:07:47,814 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:47,814 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:07:47,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:47,825 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:48,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3947 backedges. 1350 proven. 2 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2018-09-10 12:07:48,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:48,979 WARN L175 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-10 12:07:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3947 backedges. 1350 proven. 2 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2018-09-10 12:07:50,513 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:07:50,513 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 26 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 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:07:50,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:07:50,539 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:07:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:07:51,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:07:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3947 backedges. 2442 proven. 6 refuted. 0 times theorem prover too weak. 1499 trivial. 0 not checked. [2018-09-10 12:07:52,717 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:07:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3947 backedges. 1717 proven. 271 refuted. 0 times theorem prover too weak. 1959 trivial. 0 not checked. [2018-09-10 12:07:54,232 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:07:54,233 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 5, 5, 7, 8] total 50 [2018-09-10 12:07:54,233 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:07:54,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-09-10 12:07:54,235 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-09-10 12:07:54,236 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=2225, Unknown=0, NotChecked=0, Total=2450 [2018-09-10 12:07:54,236 INFO L87 Difference]: Start difference. First operand 5278 states and 5487 transitions. Second operand 37 states. [2018-09-10 12:07:56,272 WARN L175 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2018-09-10 12:07:57,934 WARN L175 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2018-09-10 12:07:58,800 WARN L175 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2018-09-10 12:07:59,227 WARN L175 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 24 [2018-09-10 12:07:59,716 WARN L175 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2018-09-10 12:08:00,287 WARN L175 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2018-09-10 12:08:00,514 WARN L175 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-09-10 12:08:03,623 WARN L175 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2018-09-10 12:08:05,913 WARN L175 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2018-09-10 12:08:06,576 WARN L175 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 29 [2018-09-10 12:08:07,438 WARN L175 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2018-09-10 12:08:07,711 WARN L175 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2018-09-10 12:08:09,176 WARN L175 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2018-09-10 12:08:09,782 WARN L175 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2018-09-10 12:08:10,126 WARN L175 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2018-09-10 12:08:11,674 WARN L175 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2018-09-10 12:08:12,297 WARN L175 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2018-09-10 12:08:12,664 WARN L175 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2018-09-10 12:08:13,012 WARN L175 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2018-09-10 12:08:14,578 WARN L175 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2018-09-10 12:08:15,917 WARN L175 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2018-09-10 12:08:16,155 WARN L175 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2018-09-10 12:08:17,001 WARN L175 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2018-09-10 12:08:18,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:08:18,911 INFO L93 Difference]: Finished difference Result 10756 states and 11289 transitions. [2018-09-10 12:08:18,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-09-10 12:08:18,912 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 1120 [2018-09-10 12:08:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:08:18,917 INFO L225 Difference]: With dead ends: 10756 [2018-09-10 12:08:18,917 INFO L226 Difference]: Without dead ends: 3347 [2018-09-10 12:08:18,928 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4637 GetRequests, 4504 SyntacticMatches, 7 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4676 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=2400, Invalid=13856, Unknown=0, NotChecked=0, Total=16256 [2018-09-10 12:08:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2018-09-10 12:08:18,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 2865. [2018-09-10 12:08:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2865 states. [2018-09-10 12:08:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 2915 transitions. [2018-09-10 12:08:18,970 INFO L78 Accepts]: Start accepts. Automaton has 2865 states and 2915 transitions. Word has length 1120 [2018-09-10 12:08:18,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:08:18,971 INFO L480 AbstractCegarLoop]: Abstraction has 2865 states and 2915 transitions. [2018-09-10 12:08:18,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-09-10 12:08:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 2915 transitions. [2018-09-10 12:08:18,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2018-09-10 12:08:18,983 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:08:18,984 INFO L376 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:08:18,984 INFO L423 AbstractCegarLoop]: === Iteration 18 === [__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 12:08:18,984 INFO L82 PathProgramCache]: Analyzing trace with hash -645229832, now seen corresponding path program 1 times [2018-09-10 12:08:18,985 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:08:18,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:08:18,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:08:18,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:08:18,985 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:08:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:08:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 1866 proven. 355 refuted. 0 times theorem prover too weak. 1963 trivial. 0 not checked. [2018-09-10 12:08:20,396 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:08:20,396 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:08:20,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:08:20,403 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:08:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:08:20,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:08:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 2631 proven. 6 refuted. 0 times theorem prover too weak. 1547 trivial. 0 not checked. [2018-09-10 12:08:21,318 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:08:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 1866 proven. 359 refuted. 0 times theorem prover too weak. 1959 trivial. 0 not checked. [2018-09-10 12:08:22,365 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:08:22,365 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 28 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 28 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:08:22,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:08:22,384 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:08:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:08:23,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:08:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 2631 proven. 6 refuted. 0 times theorem prover too weak. 1547 trivial. 0 not checked. [2018-09-10 12:08:23,827 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:08:24,174 WARN L175 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-10 12:08:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 1866 proven. 359 refuted. 0 times theorem prover too weak. 1959 trivial. 0 not checked. [2018-09-10 12:08:25,853 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:08:25,855 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8, 7, 8] total 14 [2018-09-10 12:08:25,855 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:08:25,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 12:08:25,857 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 12:08:25,857 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-09-10 12:08:25,857 INFO L87 Difference]: Start difference. First operand 2865 states and 2915 transitions. Second operand 9 states. [2018-09-10 12:08:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:08:27,443 INFO L93 Difference]: Finished difference Result 4570 states and 4672 transitions. [2018-09-10 12:08:27,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-10 12:08:27,444 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1168 [2018-09-10 12:08:27,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:08:27,450 INFO L225 Difference]: With dead ends: 4570 [2018-09-10 12:08:27,451 INFO L226 Difference]: Without dead ends: 3458 [2018-09-10 12:08:27,453 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4691 GetRequests, 4668 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2018-09-10 12:08:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2018-09-10 12:08:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3050. [2018-09-10 12:08:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3050 states. [2018-09-10 12:08:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 3101 transitions. [2018-09-10 12:08:27,495 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 3101 transitions. Word has length 1168 [2018-09-10 12:08:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:08:27,496 INFO L480 AbstractCegarLoop]: Abstraction has 3050 states and 3101 transitions. [2018-09-10 12:08:27,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 12:08:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3101 transitions. [2018-09-10 12:08:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1726 [2018-09-10 12:08:27,517 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:08:27,517 INFO L376 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-10 12:08:27,518 INFO L423 AbstractCegarLoop]: === Iteration 19 === [__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 12:08:27,518 INFO L82 PathProgramCache]: Analyzing trace with hash 336176961, now seen corresponding path program 1 times [2018-09-10 12:08:27,518 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:08:27,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:08:27,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:08:27,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:08:27,519 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:08:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:08:29,529 WARN L175 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-09-10 12:08:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 2024 proven. 5514 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-09-10 12:08:34,609 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:08:34,609 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:08:34,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:08:34,626 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:08:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:08:35,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:08:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 3105 proven. 127 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2018-09-10 12:08:37,002 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:08:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 3147 proven. 198 refuted. 0 times theorem prover too weak. 5844 trivial. 0 not checked. [2018-09-10 12:08:40,245 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:08:40,245 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 30 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 30 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:08:40,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:08:40,261 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:08:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:08:41,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:08:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 3105 proven. 127 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2018-09-10 12:08:42,687 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:08:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 3223 proven. 122 refuted. 0 times theorem prover too weak. 5844 trivial. 0 not checked. [2018-09-10 12:08:45,486 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:08:45,487 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 9, 10, 8, 9] total 47 [2018-09-10 12:08:45,487 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:08:45,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-09-10 12:08:45,489 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-09-10 12:08:45,490 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=1878, Unknown=0, NotChecked=0, Total=2162 [2018-09-10 12:08:45,490 INFO L87 Difference]: Start difference. First operand 3050 states and 3101 transitions. Second operand 34 states. [2018-09-10 12:08:46,374 WARN L175 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2018-09-10 12:08:49,400 WARN L175 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2018-09-10 12:08:49,627 WARN L175 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2018-09-10 12:08:50,731 WARN L175 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2018-09-10 12:08:51,043 WARN L175 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-09-10 12:08:51,697 WARN L175 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2018-09-10 12:08:52,186 WARN L175 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2018-09-10 12:08:52,503 WARN L175 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2018-09-10 12:08:53,328 WARN L175 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2018-09-10 12:08:53,630 WARN L175 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2018-09-10 12:08:54,655 WARN L175 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2018-09-10 12:08:56,971 WARN L175 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2018-09-10 12:09:00,758 WARN L175 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2018-09-10 12:09:04,420 WARN L175 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2018-09-10 12:09:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:09:06,770 INFO L93 Difference]: Finished difference Result 4707 states and 4798 transitions. [2018-09-10 12:09:06,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-09-10 12:09:06,770 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1725 [2018-09-10 12:09:06,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:09:06,774 INFO L225 Difference]: With dead ends: 4707 [2018-09-10 12:09:06,774 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 12:09:06,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7027 GetRequests, 6909 SyntacticMatches, 5 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3226 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=2706, Invalid=10404, Unknown=0, NotChecked=0, Total=13110 [2018-09-10 12:09:06,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 12:09:06,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 12:09:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 12:09:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 12:09:06,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1725 [2018-09-10 12:09:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:09:06,784 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 12:09:06,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-09-10 12:09:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 12:09:06,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 12:09:06,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 12:09:07,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:07,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,278 WARN L175 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 549 DAG size of output: 425 [2018-09-10 12:09:08,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:08,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 12:09:09,366 WARN L175 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 549 DAG size of output: 425 [2018-09-10 12:09:09,766 WARN L175 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 15 [2018-09-10 12:09:10,777 WARN L175 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2018-09-10 12:09:11,119 WARN L175 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2018-09-10 12:09:15,532 WARN L175 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 352 DAG size of output: 132 [2018-09-10 12:09:19,024 WARN L175 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 416 DAG size of output: 112 [2018-09-10 12:09:22,419 WARN L175 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 416 DAG size of output: 112 [2018-09-10 12:09:22,422 INFO L426 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-09-10 12:09:22,422 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-09-10 12:09:22,422 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-09-10 12:09:22,423 INFO L426 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-10 12:09:22,424 INFO L426 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,425 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 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-10 12:09:22,425 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-09-10 12:09:22,426 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,427 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-09-10 12:09:22,428 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-09-10 12:09:22,429 INFO L426 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-09-10 12:09:22,430 INFO L426 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-10 12:09:22,431 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-10 12:09:22,432 INFO L426 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-09-10 12:09:22,433 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-10 12:09:22,434 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 175) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,434 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,435 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,435 INFO L426 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-09-10 12:09:22,435 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 ((.cse11 (= ~__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)|)) (.cse8 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|)) (.cse9 (= ~__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)|)) (.cse10 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|))) (let ((.cse3 (< 11 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|)) (.cse13 (< 6 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|)) (.cse18 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7))) (.cse12 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 8))) (.cse0 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 8))) (.cse5 (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49))) (.cse20 (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse14 (< 80 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|)) (.cse23 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 80)) (.cse22 (= |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__a15~0)) (.cse24 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 6))) (.cse15 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 10)) (.cse6 (and .cse11 .cse8 .cse9 .cse10)) (.cse7 (< 6 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|)) (.cse16 (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 8)) (.cse2 (and .cse11 .cse8 .cse10 (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))) (.cse17 (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 81)) (.cse1 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 9))) (.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))) (.cse21 (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 10)) (.cse19 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 7)))) (and (or .cse0 .cse1 .cse2 .cse3 .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)|) .cse5 .cse6 .cse7) (or (and .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse13) .cse4) (or .cse12 .cse6 .cse14 .cse15 .cse16 .cse4) (or .cse17 .cse2 .cse1 .cse18 .cse4) (or .cse19 (and (<= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) .cse20) .cse16) (or .cse12 .cse6 .cse3 .cse4) (or (not .cse15) .cse12 .cse6 (<= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 80) .cse4) (or .cse21 .cse1 .cse3 .cse2 .cse4) (or .cse6 .cse7 .cse18) (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 6)) .cse6 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 5)) .cse4) (or .cse19 .cse5 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0)) (or (and .cse11 .cse8 .cse10 .cse20) .cse19 .cse13 .cse4) (or .cse0 .cse2 .cse17 .cse1 .cse4) (or .cse19 (and .cse11 .cse8 .cse10) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 460233)) .cse18 .cse4) (or (<= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 18) .cse2 .cse0 (< 72 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) .cse1 .cse4) (or .cse12 .cse0 .cse6 (< 73282 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) .cse4) (or .cse5 .cse7 (and .cse22 (<= |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__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)|))) (or .cse14 .cse19 (and .cse23 .cse20)) (or .cse14 .cse24 .cse23) (or .cse22 .cse24) (or .cse6 .cse15 .cse7 .cse16) (or (<= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 95380) (< 95434 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) .cse1 .cse2 .cse4) (or .cse6 .cse7 .cse16 .cse4) (or .cse2 .cse17 (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 9) .cse1 .cse4) (or .cse21 .cse19 (<= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))))) [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,436 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,437 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,438 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,438 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 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-09-10 12:09:22,439 INFO L426 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-09-10 12:09:22,440 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-10 12:09:22,441 INFO L426 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-10 12:09:22,442 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-10 12:09:22,443 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-09-10 12:09:22,444 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-09-10 12:09:22,445 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,446 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|)) [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-10 12:09:22,447 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-10 12:09:22,448 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__a12~0 49) 0) (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) [2018-09-10 12:09:22,448 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-10 12:09:22,448 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-10 12:09:22,448 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)) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__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__a15~0)| ~__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)|)) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__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 12:09:22,448 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-09-10 12:09:22,449 INFO L422 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse4 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)) (.cse6 (not (= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (.cse12 (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse13 (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse10 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 6)) (.cse7 (<= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (let ((.cse8 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 80)) (.cse3 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 11)) (.cse0 (<= 81 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)) (.cse9 (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse11 (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse16 (and .cse10 .cse7)) (.cse17 (< 80 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)) (.cse2 (let ((.cse18 (not (= 1 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|)))) (and .cse4 (or (<= 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 42)) .cse18 (not (= 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|)) (not (= 10 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|))) .cse6 (or (not (= 5 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|)) .cse18 (not (= 6 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|))) .cse12 (not .cse13)))) (.cse14 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 6)) (.cse1 (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse15 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|)) (.cse5 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (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 .cse4 .cse6 (and .cse7 (and (<= ~__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))) (and .cse9 .cse10) (and .cse8 .cse11) (and (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) .cse10) (and (and .cse4 .cse7 .cse12) (not (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) .cse3) (and (= 5 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0) .cse13 .cse4) (and .cse4 .cse14 .cse11) (and .cse0 (and .cse4 .cse9 .cse12)) (and .cse7 .cse11) (and .cse15 .cse16) (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0) (and .cse6 .cse16) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)) (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (and .cse12 .cse15 (< 95380 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) .cse13 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 95434)) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 10) .cse17 (and .cse4 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 8))) (and (and .cse4 .cse12) (<= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) .cse17) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7) (and (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 72) .cse1 .cse2 (< 18 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)) (and .cse15 .cse5 .cse14) (and .cse1 .cse15 .cse5 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 73282))))) [2018-09-10 12:09:22,449 INFO L426 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-09-10 12:09:22,449 INFO L426 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-09-10 12:09:22,449 INFO L426 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-09-10 12:09:22,449 INFO L422 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse4 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)) (.cse6 (not (= 10 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (.cse12 (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse13 (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse10 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 6)) (.cse7 (<= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0))) (let ((.cse8 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 80)) (.cse3 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 11)) (.cse0 (<= 81 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)) (.cse9 (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse11 (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) (.cse16 (and .cse10 .cse7)) (.cse17 (< 80 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)) (.cse2 (let ((.cse18 (not (= 1 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|)))) (and .cse4 (or (<= 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 42)) .cse18 (not (= 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|)) (not (= 10 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|))) .cse6 (or (not (= 5 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|)) .cse18 (not (= 6 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|))) .cse12 (not .cse13)))) (.cse14 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 6)) (.cse1 (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) (.cse15 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|)) (.cse5 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (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 .cse4 .cse6 (and .cse7 (and (<= ~__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))) (and .cse9 .cse10) (and .cse8 .cse11) (and (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) .cse10) (and (and .cse4 .cse7 .cse12) (not (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)) .cse3) (and (= 5 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0) .cse13 .cse4) (and .cse4 .cse14 .cse11) (and .cse0 (and .cse4 .cse9 .cse12)) (and .cse7 .cse11) (and .cse15 .cse16) (= 6 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0) (and .cse6 .cse16) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1)) (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (and .cse12 .cse15 (< 95380 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) .cse13 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 95434)) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 10) .cse17 (and .cse4 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 8))) (and (and .cse4 .cse12) (<= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) .cse17) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7) (and (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 72) .cse1 .cse2 (< 18 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)) (and .cse15 .cse5 .cse14) (and .cse1 .cse15 .cse5 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 73282))))) [2018-09-10 12:09:22,449 INFO L426 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-09-10 12:09:22,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:09:22 BoogieIcfgContainer [2018-09-10 12:09:22,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:09:22,482 INFO L168 Benchmark]: Toolchain (without parser) took 212473.20 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -740.3 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-10 12:09:22,483 INFO L168 Benchmark]: CDTParser took 0.22 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 12:09:22,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-09-10 12:09:22,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.88 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 12:09:22,484 INFO L168 Benchmark]: Boogie Preprocessor took 291.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 797.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -900.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2018-09-10 12:09:22,485 INFO L168 Benchmark]: RCFGBuilder took 3638.92 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: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 7.1 GB. [2018-09-10 12:09:22,485 INFO L168 Benchmark]: TraceAbstraction took 207531.56 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -50.4 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-10 12:09:22,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 862.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 140.88 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 291.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 797.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -900.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3638.92 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: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207531.56 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -50.4 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: (((((((((((((((((((((((((81 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 && 8 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && ((((1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && (((0 <= \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) + 42 || !(1 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24))) || !(8 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15))) || !(10 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)))) && !(10 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) && ((!(5 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15)) || !(1 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24))) || !(6 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)))) && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) && !(6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || ((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 <= 11 && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15))) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) == 8)) || 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 && !(10 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) && 8 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 <= \old(__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 <= 80)) || (7 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 <= 6)) || (__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 <= 80 && 7 == __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 && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 <= 6)) || ((((1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && 8 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) && !(9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 <= 11)) || ((5 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 && 6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24)) || ((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 <= 6) && 7 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15)) || (81 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 && (1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && 7 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15)) || (8 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 && 7 == __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 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 <= 6 && 8 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || 6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) || (!(10 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 <= 6 && 8 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || !(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) == 1)) || 7 < \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) || ((((9 == __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 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24)) && 95380 < __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) && 6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 <= 95434)) || ((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 == 10 && 80 < __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && __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 && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) && 9 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && 80 < __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12)) || \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) < 7) || (((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12 <= 72 && 8 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) && ((((1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && (((0 <= \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) + 42 || !(1 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24))) || !(8 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15))) || !(10 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)))) && !(10 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) && ((!(5 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15)) || !(1 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24))) || !(6 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)))) && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) && !(6 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21)) && 18 < __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12)) || ((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == \old(__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 <= 6)) || (((8 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == \old(__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 <= 73282) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 207.4s OverallTime, 19 OverallIterations, 14 TraceHistogramMax, 102.9s AutomataDifference, 0.0s DeadEndRemovalTime, 15.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1830 SDtfs, 48254 SDslu, 3824 SDs, 0 SdLazy, 62177 SolverSat, 6292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40541 GetRequests, 39829 SyntacticMatches, 111 SemanticMatches, 601 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11492 ImplicationChecksByTransitivity, 46.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6382occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 3559 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 531 PreInvPairs, 735 NumberOfFragments, 1377 HoareAnnotationTreeSize, 531 FomulaSimplifications, 173922 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 149887 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 1.0s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 61.7s InterpolantComputationTime, 30935 NumberOfCodeBlocks, 30935 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 50781 ConstructedInterpolants, 12 QuantifiedInterpolants, 178175010 SizeOfPredicates, 78 NumberOfNonLiveVariables, 28845 ConjunctsInSsa, 422 ConjunctsInUnsatCore, 77 InterpolantComputations, 9 PerfectInterpolantSequences, 127563/145061 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_label55_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-09-22-509.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label55_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-09-22-509.csv Received shutdown request...