java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 14:29:06,905 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 14:29:06,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 14:29:06,932 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 14:29:06,932 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 14:29:06,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 14:29:06,938 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 14:29:06,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 14:29:06,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 14:29:06,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 14:29:06,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 14:29:06,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 14:29:06,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 14:29:06,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 14:29:06,961 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 14:29:06,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 14:29:06,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 14:29:06,966 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 14:29:06,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 14:29:06,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 14:29:06,975 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 14:29:06,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 14:29:06,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 14:29:06,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 14:29:06,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 14:29:06,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 14:29:06,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 14:29:06,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 14:29:06,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 14:29:06,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 14:29:06,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 14:29:06,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 14:29:06,987 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 14:29:06,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 14:29:06,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 14:29:06,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 14:29:06,991 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 14:29:07,011 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 14:29:07,012 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 14:29:07,013 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 14:29:07,013 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 14:29:07,013 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 14:29:07,013 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 14:29:07,013 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 14:29:07,014 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 14:29:07,014 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 14:29:07,014 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 14:29:07,014 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 14:29:07,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 14:29:07,015 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 14:29:07,016 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 14:29:07,016 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 14:29:07,016 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 14:29:07,016 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 14:29:07,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 14:29:07,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 14:29:07,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 14:29:07,017 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 14:29:07,017 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 14:29:07,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 14:29:07,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:29:07,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 14:29:07,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 14:29:07,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 14:29:07,019 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 14:29:07,019 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 14:29:07,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 14:29:07,019 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 14:29:07,019 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 14:29:07,020 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 14:29:07,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 14:29:07,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 14:29:07,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 14:29:07,095 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 14:29:07,096 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 14:29:07,097 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-07-24 14:29:07,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59e73fb/5f7482b90b8041279c8d46ee55964438/FLAG8ec53392f [2018-07-24 14:29:07,781 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 14:29:07,782 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-07-24 14:29:07,805 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59e73fb/5f7482b90b8041279c8d46ee55964438/FLAG8ec53392f [2018-07-24 14:29:07,830 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59e73fb/5f7482b90b8041279c8d46ee55964438 [2018-07-24 14:29:07,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 14:29:07,846 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 14:29:07,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 14:29:07,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 14:29:07,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 14:29:07,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:29:07" (1/1) ... [2018-07-24 14:29:07,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1617fa0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:07, skipping insertion in model container [2018-07-24 14:29:07,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:29:07" (1/1) ... [2018-07-24 14:29:08,089 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 14:29:08,451 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:29:08,471 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 14:29:08,687 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:29:08,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08 WrapperNode [2018-07-24 14:29:08,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 14:29:08,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 14:29:08,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 14:29:08,749 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 14:29:08,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:08,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:08,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 14:29:08,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 14:29:08,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 14:29:08,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 14:29:08,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:08,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:08,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:08,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:09,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:09,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:09,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... [2018-07-24 14:29:09,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 14:29:09,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 14:29:09,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 14:29:09,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 14:29:09,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:29:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-24 14:29:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-24 14:29:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 14:29:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 14:29:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 14:29:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 14:29:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 14:29:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 14:29:12,760 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 14:29:12,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:29:12 BoogieIcfgContainer [2018-07-24 14:29:12,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 14:29:12,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 14:29:12,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 14:29:12,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 14:29:12,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:29:07" (1/3) ... [2018-07-24 14:29:12,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b4667e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:29:12, skipping insertion in model container [2018-07-24 14:29:12,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:29:08" (2/3) ... [2018-07-24 14:29:12,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b4667e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:29:12, skipping insertion in model container [2018-07-24 14:29:12,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:29:12" (3/3) ... [2018-07-24 14:29:12,770 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label47_true-unreach-call_false-termination.c [2018-07-24 14:29:12,780 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 14:29:12,790 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 14:29:12,839 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 14:29:12,840 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 14:29:12,840 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 14:29:12,840 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 14:29:12,840 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 14:29:12,841 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 14:29:12,841 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 14:29:12,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 14:29:12,841 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 14:29:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-24 14:29:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-24 14:29:12,881 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:12,882 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:12,882 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:12,887 INFO L82 PathProgramCache]: Analyzing trace with hash -443843092, now seen corresponding path program 1 times [2018-07-24 14:29:12,890 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:12,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:12,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:12,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:12,945 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:13,314 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 14:29:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:29:13,422 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:29:13,422 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 14:29:13,422 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:29:13,428 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 14:29:13,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 14:29:13,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:29:13,447 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-24 14:29:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:15,128 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-24 14:29:15,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 14:29:15,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-07-24 14:29:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:15,153 INFO L225 Difference]: With dead ends: 691 [2018-07-24 14:29:15,153 INFO L226 Difference]: Without dead ends: 434 [2018-07-24 14:29:15,160 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:29:15,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-24 14:29:15,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-24 14:29:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-24 14:29:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 755 transitions. [2018-07-24 14:29:15,241 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 755 transitions. Word has length 40 [2018-07-24 14:29:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:15,241 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 755 transitions. [2018-07-24 14:29:15,242 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 14:29:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 755 transitions. [2018-07-24 14:29:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-24 14:29:15,248 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:15,249 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:15,249 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:15,250 INFO L82 PathProgramCache]: Analyzing trace with hash 160208604, now seen corresponding path program 1 times [2018-07-24 14:29:15,250 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:15,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:15,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:15,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:15,252 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:29:15,552 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:29:15,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 14:29:15,552 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:29:15,555 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:29:15,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:29:15,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:29:15,555 INFO L87 Difference]: Start difference. First operand 434 states and 755 transitions. Second operand 6 states. [2018-07-24 14:29:18,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:18,014 INFO L93 Difference]: Finished difference Result 1254 states and 2256 transitions. [2018-07-24 14:29:18,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 14:29:18,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-07-24 14:29:18,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:18,030 INFO L225 Difference]: With dead ends: 1254 [2018-07-24 14:29:18,031 INFO L226 Difference]: Without dead ends: 826 [2018-07-24 14:29:18,033 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 14:29:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-07-24 14:29:18,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 812. [2018-07-24 14:29:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2018-07-24 14:29:18,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1377 transitions. [2018-07-24 14:29:18,096 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1377 transitions. Word has length 120 [2018-07-24 14:29:18,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:18,097 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1377 transitions. [2018-07-24 14:29:18,097 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 14:29:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1377 transitions. [2018-07-24 14:29:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-24 14:29:18,105 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:18,106 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:18,106 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:18,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1178623583, now seen corresponding path program 1 times [2018-07-24 14:29:18,106 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:18,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:18,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:18,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:18,108 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:29:18,391 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:29:18,392 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:29:18,392 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:29:18,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:29:18,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:29:18,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:29:18,394 INFO L87 Difference]: Start difference. First operand 812 states and 1377 transitions. Second operand 4 states. [2018-07-24 14:29:21,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:21,901 INFO L93 Difference]: Finished difference Result 1988 states and 3385 transitions. [2018-07-24 14:29:21,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:29:21,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2018-07-24 14:29:21,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:21,910 INFO L225 Difference]: With dead ends: 1988 [2018-07-24 14:29:21,910 INFO L226 Difference]: Without dead ends: 1182 [2018-07-24 14:29:21,916 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:29:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2018-07-24 14:29:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1182. [2018-07-24 14:29:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2018-07-24 14:29:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1748 transitions. [2018-07-24 14:29:21,952 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1748 transitions. Word has length 153 [2018-07-24 14:29:21,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:21,953 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1748 transitions. [2018-07-24 14:29:21,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:29:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1748 transitions. [2018-07-24 14:29:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-07-24 14:29:21,960 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:21,960 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:21,961 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:21,961 INFO L82 PathProgramCache]: Analyzing trace with hash 688088657, now seen corresponding path program 1 times [2018-07-24 14:29:21,961 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:21,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:21,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:21,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:21,963 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:22,527 WARN L169 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-07-24 14:29:22,914 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 66 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:22,914 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:22,915 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:22,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:22,923 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:23,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:23,697 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-24 14:29:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-07-24 14:29:23,806 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:24,123 WARN L169 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-24 14:29:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 66 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:25,047 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:29:25,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-07-24 14:29:25,048 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:29:25,049 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:29:25,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:29:25,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-07-24 14:29:25,050 INFO L87 Difference]: Start difference. First operand 1182 states and 1748 transitions. Second operand 5 states. [2018-07-24 14:29:28,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:28,494 INFO L93 Difference]: Finished difference Result 3466 states and 5232 transitions. [2018-07-24 14:29:28,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:29:28,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2018-07-24 14:29:28,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:28,518 INFO L225 Difference]: With dead ends: 3466 [2018-07-24 14:29:28,519 INFO L226 Difference]: Without dead ends: 2290 [2018-07-24 14:29:28,524 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 525 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-07-24 14:29:28,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2018-07-24 14:29:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2233. [2018-07-24 14:29:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2233 states. [2018-07-24 14:29:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 3233 transitions. [2018-07-24 14:29:28,614 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 3233 transitions. Word has length 265 [2018-07-24 14:29:28,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:28,615 INFO L471 AbstractCegarLoop]: Abstraction has 2233 states and 3233 transitions. [2018-07-24 14:29:28,615 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:29:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 3233 transitions. [2018-07-24 14:29:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-07-24 14:29:28,626 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:28,626 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:28,626 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:28,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1171388228, now seen corresponding path program 1 times [2018-07-24 14:29:28,627 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:28,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:28,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:28,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:28,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 187 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:29,729 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:29,729 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:29,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:29,738 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:29,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 294 proven. 53 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-07-24 14:29:30,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 109 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:31,309 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:31,310 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:31,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:31,328 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:31,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 294 proven. 53 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-07-24 14:29:31,987 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 109 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:29:32,639 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:32,640 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8, 8, 8] total 26 [2018-07-24 14:29:32,640 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:32,641 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-24 14:29:32,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-24 14:29:32,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-07-24 14:29:32,642 INFO L87 Difference]: Start difference. First operand 2233 states and 3233 transitions. Second operand 15 states. [2018-07-24 14:29:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:38,712 INFO L93 Difference]: Finished difference Result 5864 states and 8679 transitions. [2018-07-24 14:29:38,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-24 14:29:38,713 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 350 [2018-07-24 14:29:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:38,733 INFO L225 Difference]: With dead ends: 5864 [2018-07-24 14:29:38,734 INFO L226 Difference]: Without dead ends: 3434 [2018-07-24 14:29:38,748 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1444 GetRequests, 1397 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=431, Invalid=1375, Unknown=0, NotChecked=0, Total=1806 [2018-07-24 14:29:38,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2018-07-24 14:29:38,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3000. [2018-07-24 14:29:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3000 states. [2018-07-24 14:29:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 3890 transitions. [2018-07-24 14:29:38,849 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 3890 transitions. Word has length 350 [2018-07-24 14:29:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:38,850 INFO L471 AbstractCegarLoop]: Abstraction has 3000 states and 3890 transitions. [2018-07-24 14:29:38,850 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-24 14:29:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3890 transitions. [2018-07-24 14:29:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-07-24 14:29:38,863 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:38,864 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:38,864 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:38,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1001376061, now seen corresponding path program 1 times [2018-07-24 14:29:38,864 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:38,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:38,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:38,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:38,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:39,721 WARN L169 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 13 [2018-07-24 14:29:39,937 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-24 14:29:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 252 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:29:40,516 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:40,516 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:40,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:40,524 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:40,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-07-24 14:29:40,911 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 99 proven. 210 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-07-24 14:29:41,228 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:29:41,228 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 5] total 17 [2018-07-24 14:29:41,228 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:29:41,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:29:41,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:29:41,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-07-24 14:29:41,230 INFO L87 Difference]: Start difference. First operand 3000 states and 3890 transitions. Second operand 5 states. [2018-07-24 14:29:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:43,819 INFO L93 Difference]: Finished difference Result 9501 states and 12439 transitions. [2018-07-24 14:29:43,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:29:43,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2018-07-24 14:29:43,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:43,850 INFO L225 Difference]: With dead ends: 9501 [2018-07-24 14:29:43,850 INFO L226 Difference]: Without dead ends: 6507 [2018-07-24 14:29:43,868 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 747 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-07-24 14:29:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6507 states. [2018-07-24 14:29:44,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6507 to 6174. [2018-07-24 14:29:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6174 states. [2018-07-24 14:29:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6174 states to 6174 states and 7810 transitions. [2018-07-24 14:29:44,059 INFO L78 Accepts]: Start accepts. Automaton has 6174 states and 7810 transitions. Word has length 375 [2018-07-24 14:29:44,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:44,059 INFO L471 AbstractCegarLoop]: Abstraction has 6174 states and 7810 transitions. [2018-07-24 14:29:44,059 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:29:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 6174 states and 7810 transitions. [2018-07-24 14:29:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2018-07-24 14:29:44,083 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:44,084 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:44,084 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:44,084 INFO L82 PathProgramCache]: Analyzing trace with hash 178351556, now seen corresponding path program 1 times [2018-07-24 14:29:44,084 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:44,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:44,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:44,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:44,086 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:29:45,032 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:45,032 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:45,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:45,040 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:45,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 653 proven. 2 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-07-24 14:29:45,328 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:29:45,935 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:45,935 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:45,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:45,951 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:46,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 647 proven. 8 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-07-24 14:29:47,357 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-07-24 14:29:48,297 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:48,297 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 8, 5] total 16 [2018-07-24 14:29:48,297 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:48,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 14:29:48,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 14:29:48,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:29:48,299 INFO L87 Difference]: Start difference. First operand 6174 states and 7810 transitions. Second operand 7 states. [2018-07-24 14:29:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:29:50,655 INFO L93 Difference]: Finished difference Result 16147 states and 20650 transitions. [2018-07-24 14:29:50,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 14:29:50,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 486 [2018-07-24 14:29:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:29:50,703 INFO L225 Difference]: With dead ends: 16147 [2018-07-24 14:29:50,703 INFO L226 Difference]: Without dead ends: 9979 [2018-07-24 14:29:50,740 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1964 GetRequests, 1934 SyntacticMatches, 11 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-07-24 14:29:50,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9979 states. [2018-07-24 14:29:50,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9979 to 8886. [2018-07-24 14:29:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8886 states. [2018-07-24 14:29:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8886 states to 8886 states and 10476 transitions. [2018-07-24 14:29:50,943 INFO L78 Accepts]: Start accepts. Automaton has 8886 states and 10476 transitions. Word has length 486 [2018-07-24 14:29:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:29:50,944 INFO L471 AbstractCegarLoop]: Abstraction has 8886 states and 10476 transitions. [2018-07-24 14:29:50,944 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 14:29:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8886 states and 10476 transitions. [2018-07-24 14:29:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2018-07-24 14:29:50,965 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:29:50,965 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:29:50,965 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:29:50,966 INFO L82 PathProgramCache]: Analyzing trace with hash -751354447, now seen corresponding path program 1 times [2018-07-24 14:29:50,966 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:29:50,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:50,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:50,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:29:50,968 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:29:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:51,714 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-24 14:29:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 496 proven. 481 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-07-24 14:29:52,502 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:52,502 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:29:52,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:52,509 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:52,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 859 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-07-24 14:29:53,200 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 490 proven. 111 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2018-07-24 14:29:53,817 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:29:53,817 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:29:53,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:29:53,833 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:29:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:29:54,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:29:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 651 proven. 210 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-07-24 14:29:54,923 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:29:55,666 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 14:29:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 201 proven. 689 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-07-24 14:29:56,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:29:56,442 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-07-24 14:29:56,442 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:29:56,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-24 14:29:56,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-24 14:29:56,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:29:56,444 INFO L87 Difference]: Start difference. First operand 8886 states and 10476 transitions. Second operand 13 states. [2018-07-24 14:30:00,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:00,028 INFO L93 Difference]: Finished difference Result 18438 states and 22211 transitions. [2018-07-24 14:30:00,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-24 14:30:00,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 571 [2018-07-24 14:30:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:00,081 INFO L225 Difference]: With dead ends: 18438 [2018-07-24 14:30:00,081 INFO L226 Difference]: Without dead ends: 9357 [2018-07-24 14:30:00,107 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2314 GetRequests, 2273 SyntacticMatches, 17 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-07-24 14:30:00,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9357 states. [2018-07-24 14:30:00,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9357 to 9075. [2018-07-24 14:30:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9075 states. [2018-07-24 14:30:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9075 states to 9075 states and 10440 transitions. [2018-07-24 14:30:00,318 INFO L78 Accepts]: Start accepts. Automaton has 9075 states and 10440 transitions. Word has length 571 [2018-07-24 14:30:00,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:00,319 INFO L471 AbstractCegarLoop]: Abstraction has 9075 states and 10440 transitions. [2018-07-24 14:30:00,319 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-24 14:30:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 9075 states and 10440 transitions. [2018-07-24 14:30:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2018-07-24 14:30:00,340 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:00,340 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:30:00,340 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:30:00,341 INFO L82 PathProgramCache]: Analyzing trace with hash 83816261, now seen corresponding path program 2 times [2018-07-24 14:30:00,341 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:00,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:00,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:00,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:00,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 522 proven. 533 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-07-24 14:30:02,170 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:02,170 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:30:02,181 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-24 14:30:02,181 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-24 14:30:02,378 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-24 14:30:02,378 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-24 14:30:02,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 911 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-07-24 14:30:02,936 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 516 proven. 111 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-07-24 14:30:03,891 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:03,891 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:03,909 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-24 14:30:03,909 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-24 14:30:04,325 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-24 14:30:04,325 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-24 14:30:04,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 896 proven. 17 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-07-24 14:30:05,046 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 195 proven. 747 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-07-24 14:30:07,343 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:07,344 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5, 10, 11] total 31 [2018-07-24 14:30:07,344 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:07,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-24 14:30:07,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-24 14:30:07,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2018-07-24 14:30:07,346 INFO L87 Difference]: Start difference. First operand 9075 states and 10440 transitions. Second operand 18 states. [2018-07-24 14:30:12,284 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-07-24 14:30:12,747 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-07-24 14:30:13,047 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-07-24 14:30:15,438 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-07-24 14:30:15,644 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-07-24 14:30:16,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:16,585 INFO L93 Difference]: Finished difference Result 21916 states and 25930 transitions. [2018-07-24 14:30:16,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-24 14:30:16,586 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 597 [2018-07-24 14:30:16,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:16,626 INFO L225 Difference]: With dead ends: 21916 [2018-07-24 14:30:16,626 INFO L226 Difference]: Without dead ends: 12847 [2018-07-24 14:30:16,660 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2465 GetRequests, 2386 SyntacticMatches, 14 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=812, Invalid=3610, Unknown=0, NotChecked=0, Total=4422 [2018-07-24 14:30:16,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12847 states. [2018-07-24 14:30:16,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12847 to 12014. [2018-07-24 14:30:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12014 states. [2018-07-24 14:30:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12014 states to 12014 states and 13463 transitions. [2018-07-24 14:30:16,898 INFO L78 Accepts]: Start accepts. Automaton has 12014 states and 13463 transitions. Word has length 597 [2018-07-24 14:30:16,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:16,899 INFO L471 AbstractCegarLoop]: Abstraction has 12014 states and 13463 transitions. [2018-07-24 14:30:16,899 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-24 14:30:16,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12014 states and 13463 transitions. [2018-07-24 14:30:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2018-07-24 14:30:16,918 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:16,919 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:30:16,919 INFO L414 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:30:16,920 INFO L82 PathProgramCache]: Analyzing trace with hash -908850443, now seen corresponding path program 1 times [2018-07-24 14:30:16,920 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:16,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:16,921 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-24 14:30:16,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:16,921 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-07-24 14:30:17,792 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:17,793 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:30:17,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:17,801 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:18,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 919 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-07-24 14:30:18,427 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-07-24 14:30:18,901 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:18,902 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:18,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:18,918 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:19,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 919 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-07-24 14:30:19,748 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-07-24 14:30:20,139 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:20,140 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 9 [2018-07-24 14:30:20,140 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:20,141 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 14:30:20,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 14:30:20,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-07-24 14:30:20,142 INFO L87 Difference]: Start difference. First operand 12014 states and 13463 transitions. Second operand 7 states. [2018-07-24 14:30:23,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:23,828 INFO L93 Difference]: Finished difference Result 32315 states and 40639 transitions. [2018-07-24 14:30:23,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-24 14:30:23,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 671 [2018-07-24 14:30:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:23,938 INFO L225 Difference]: With dead ends: 32315 [2018-07-24 14:30:23,938 INFO L226 Difference]: Without dead ends: 20490 [2018-07-24 14:30:24,030 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2700 GetRequests, 2685 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-07-24 14:30:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20490 states. [2018-07-24 14:30:24,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20490 to 20022. [2018-07-24 14:30:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20022 states. [2018-07-24 14:30:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20022 states to 20022 states and 22824 transitions. [2018-07-24 14:30:24,524 INFO L78 Accepts]: Start accepts. Automaton has 20022 states and 22824 transitions. Word has length 671 [2018-07-24 14:30:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:24,525 INFO L471 AbstractCegarLoop]: Abstraction has 20022 states and 22824 transitions. [2018-07-24 14:30:24,525 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 14:30:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 20022 states and 22824 transitions. [2018-07-24 14:30:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2018-07-24 14:30:24,549 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:24,549 INFO L353 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:30:24,549 INFO L414 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:30:24,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1751338536, now seen corresponding path program 1 times [2018-07-24 14:30:24,550 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:24,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:24,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:24,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:24,551 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 768 proven. 828 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2018-07-24 14:30:26,769 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:26,769 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:30:26,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:26,777 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:27,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 1298 proven. 2 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2018-07-24 14:30:27,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:28,027 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-07-24 14:30:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 756 proven. 111 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2018-07-24 14:30:28,826 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:28,826 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:28,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:28,841 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:29,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 1290 proven. 10 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2018-07-24 14:30:30,033 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 261 proven. 1068 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-07-24 14:30:31,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:31,526 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 8, 8] total 28 [2018-07-24 14:30:31,526 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:31,527 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-24 14:30:31,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-24 14:30:31,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2018-07-24 14:30:31,528 INFO L87 Difference]: Start difference. First operand 20022 states and 22824 transitions. Second operand 17 states. [2018-07-24 14:30:40,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:40,734 INFO L93 Difference]: Finished difference Result 39368 states and 47125 transitions. [2018-07-24 14:30:40,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-24 14:30:40,734 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 760 [2018-07-24 14:30:40,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:40,820 INFO L225 Difference]: With dead ends: 39368 [2018-07-24 14:30:40,820 INFO L226 Difference]: Without dead ends: 18751 [2018-07-24 14:30:40,900 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3123 GetRequests, 3046 SyntacticMatches, 7 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1403 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1098, Invalid=4014, Unknown=0, NotChecked=0, Total=5112 [2018-07-24 14:30:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18751 states. [2018-07-24 14:30:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18751 to 18217. [2018-07-24 14:30:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18217 states. [2018-07-24 14:30:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18217 states to 18217 states and 20332 transitions. [2018-07-24 14:30:41,327 INFO L78 Accepts]: Start accepts. Automaton has 18217 states and 20332 transitions. Word has length 760 [2018-07-24 14:30:41,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:41,328 INFO L471 AbstractCegarLoop]: Abstraction has 18217 states and 20332 transitions. [2018-07-24 14:30:41,328 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-24 14:30:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 18217 states and 20332 transitions. [2018-07-24 14:30:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2018-07-24 14:30:41,345 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:41,346 INFO L353 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:30:41,346 INFO L414 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:30:41,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1629553733, now seen corresponding path program 1 times [2018-07-24 14:30:41,346 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:41,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:41,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:41,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:41,348 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:41,851 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 14:30:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 653 proven. 551 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-07-24 14:30:42,868 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:42,868 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:30:42,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:42,876 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:43,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 1227 proven. 2 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-07-24 14:30:43,581 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 724 proven. 111 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2018-07-24 14:30:44,052 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:30:44,052 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:30:44,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:44,069 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:30:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:44,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:30:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 1227 proven. 2 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-07-24 14:30:44,847 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:30:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 724 proven. 111 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2018-07-24 14:30:45,365 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:30:45,366 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 16 [2018-07-24 14:30:45,366 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:30:45,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-24 14:30:45,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-24 14:30:45,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-07-24 14:30:45,368 INFO L87 Difference]: Start difference. First operand 18217 states and 20332 transitions. Second operand 14 states. [2018-07-24 14:30:54,167 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 14:30:57,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:57,144 INFO L93 Difference]: Finished difference Result 36359 states and 41068 transitions. [2018-07-24 14:30:57,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-24 14:30:57,144 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 831 [2018-07-24 14:30:57,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:57,186 INFO L225 Difference]: With dead ends: 36359 [2018-07-24 14:30:57,186 INFO L226 Difference]: Without dead ends: 18005 [2018-07-24 14:30:57,238 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3491 GetRequests, 3388 SyntacticMatches, 5 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3622 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1617, Invalid=8283, Unknown=0, NotChecked=0, Total=9900 [2018-07-24 14:30:57,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18005 states. [2018-07-24 14:30:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18005 to 17522. [2018-07-24 14:30:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17522 states. [2018-07-24 14:30:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17522 states to 17522 states and 19051 transitions. [2018-07-24 14:30:57,689 INFO L78 Accepts]: Start accepts. Automaton has 17522 states and 19051 transitions. Word has length 831 [2018-07-24 14:30:57,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:57,690 INFO L471 AbstractCegarLoop]: Abstraction has 17522 states and 19051 transitions. [2018-07-24 14:30:57,690 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-24 14:30:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 17522 states and 19051 transitions. [2018-07-24 14:30:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1073 [2018-07-24 14:30:57,714 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:30:57,715 INFO L353 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:30:57,715 INFO L414 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:30:57,716 INFO L82 PathProgramCache]: Analyzing trace with hash -164273128, now seen corresponding path program 1 times [2018-07-24 14:30:57,716 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:30:57,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:57,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:30:57,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:30:57,717 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:30:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:30:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 2888 trivial. 0 not checked. [2018-07-24 14:30:58,715 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:30:58,715 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 14:30:58,715 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:30:58,716 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 14:30:58,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 14:30:58,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:30:58,717 INFO L87 Difference]: Start difference. First operand 17522 states and 19051 transitions. Second operand 3 states. [2018-07-24 14:30:59,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:30:59,632 INFO L93 Difference]: Finished difference Result 35259 states and 38507 transitions. [2018-07-24 14:30:59,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 14:30:59,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1072 [2018-07-24 14:30:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:30:59,634 INFO L225 Difference]: With dead ends: 35259 [2018-07-24 14:30:59,634 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 14:30:59,682 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 14:30:59,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 14:30:59,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 14:30:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 14:30:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 14:30:59,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1072 [2018-07-24 14:30:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:30:59,683 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 14:30:59,683 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 14:30:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 14:30:59,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 14:30:59,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 14:30:59,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:59,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:59,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:59,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:59,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:59,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:30:59,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:00,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,164 WARN L169 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 673 DAG size of output: 619 [2018-07-24 14:31:01,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:01,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:02,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:02,463 WARN L169 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 673 DAG size of output: 619 [2018-07-24 14:31:02,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:02,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:02,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 14:31:02,961 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2018-07-24 14:31:07,785 WARN L169 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 617 DAG size of output: 47 [2018-07-24 14:31:12,515 WARN L169 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 617 DAG size of output: 47 [2018-07-24 14:31:13,827 WARN L169 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 288 DAG size of output: 38 [2018-07-24 14:31:13,848 INFO L421 ceAbstractionStarter]: For program point L90'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,848 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,848 INFO L421 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-07-24 14:31:13,848 INFO L421 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-07-24 14:31:13,848 INFO L421 ceAbstractionStarter]: For program point L93'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,848 INFO L421 ceAbstractionStarter]: For program point L72'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L192'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L96'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L99'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L51'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L75'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L150'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,849 INFO L421 ceAbstractionStarter]: For program point L174'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,850 INFO L421 ceAbstractionStarter]: For program point L198'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,850 INFO L421 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-07-24 14:31:13,850 INFO L421 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-07-24 14:31:13,850 INFO L421 ceAbstractionStarter]: For program point L195'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,850 INFO L417 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 9)) (.cse1 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 7)) (.cse2 (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 10)) (.cse4 (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1))) (.cse3 (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|)))) (and (or .cse0 (< 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) .cse1 .cse2 .cse3) (or (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 12) .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse1 .cse2 .cse4) (or (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 9) .cse2 .cse4 .cse3))) [2018-07-24 14:31:13,850 INFO L421 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L171'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L153'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L177'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,851 INFO L421 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-07-24 14:31:13,852 INFO L421 ceAbstractionStarter]: For program point L78'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L30'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L54'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L33'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L57'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,853 INFO L421 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-07-24 14:31:13,854 INFO L421 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L159'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-07-24 14:31:13,855 INFO L421 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L132'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L156'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,856 INFO L421 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L36'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L39'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L114'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L138'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-07-24 14:31:13,857 INFO L421 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L135'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L111'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-07-24 14:31:13,858 INFO L421 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L201'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L117'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-07-24 14:31:13,859 INFO L421 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-07-24 14:31:13,860 INFO L421 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L81'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L60'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-07-24 14:31:13,861 INFO L421 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L180'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L84'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L63'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L87'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L162'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L186'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-07-24 14:31:13,862 INFO L421 ceAbstractionStarter]: For program point L183'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L141'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L165'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L189'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-07-24 14:31:13,863 INFO L421 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L66'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L42'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L45'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L69'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L21''(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-07-24 14:31:13,864 INFO L421 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L147'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L120'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L144'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,865 INFO L421 ceAbstractionStarter]: For program point L168'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L48'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L24'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L27'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L126'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L102'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L123'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-07-24 14:31:13,866 INFO L421 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point L105'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point L129'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point L108'(lines 20 872) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|)) [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L417 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0) (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0) (= 8 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)) [2018-07-24 14:31:13,867 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 14:31:13,867 INFO L421 ceAbstractionStarter]: For program point L880(lines 880 889) no Hoare annotation was computed. [2018-07-24 14:31:13,868 INFO L421 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-07-24 14:31:13,868 INFO L417 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)) (.cse2 (not (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))) (.cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 9))) (.cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 10)))) (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 .cse0 (<= 12 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) .cse1) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__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 .cse0 (and .cse1 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 9)))) (and .cse2 .cse3 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) .cse0 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 7)) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7))) [2018-07-24 14:31:13,868 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-07-24 14:31:13,868 INFO L417 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)| 8)) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (not (= |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 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)|)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)| 1))) [2018-07-24 14:31:13,868 INFO L421 ceAbstractionStarter]: For program point L888'(line 888) no Hoare annotation was computed. [2018-07-24 14:31:13,868 INFO L421 ceAbstractionStarter]: For program point L880'''(lines 874 890) no Hoare annotation was computed. [2018-07-24 14:31:13,869 INFO L417 ceAbstractionStarter]: At program point L880''(lines 880 889) the Hoare annotation is: (let ((.cse1 (= 1 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24~0)) (.cse2 (not (= 7 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0))) (.cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 9))) (.cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15~0 10)))) (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 .cse0 (<= 12 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0) .cse1) (< 0 (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0)| 49)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__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 .cse0 (and .cse1 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 9)))) (and .cse2 .cse3 (<= (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12~0 49) 0) .cse0 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0 7)) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21~0)| 7))) [2018-07-24 14:31:13,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 02:31:13 BoogieIcfgContainer [2018-07-24 14:31:13,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 14:31:13,889 INFO L168 Benchmark]: Toolchain (without parser) took 126044.76 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -604.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-07-24 14:31:13,890 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 14:31:13,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-24 14:31:13,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-24 14:31:13,892 INFO L168 Benchmark]: Boogie Preprocessor took 296.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -871.8 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2018-07-24 14:31:13,893 INFO L168 Benchmark]: RCFGBuilder took 3593.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 138.7 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2018-07-24 14:31:13,894 INFO L168 Benchmark]: TraceAbstraction took 121126.52 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 64.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-24 14:31:13,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 896.86 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 121.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 296.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -871.8 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3593.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 138.7 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 121126.52 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 64.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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: (((((((!(\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15) == 8) || ((!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && 12 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24)) || 0 < \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a12) + 49) || (!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && (1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && !(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__a15 == 9))) || !(\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)) || (!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a15 == 10) && 1 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a24 && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 == 9))) || ((((!(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__a15 == 9)) && __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 == 10)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21 <= 7)) || \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a21) < 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 121.0s OverallTime, 13 OverallIterations, 9 TraceHistogramMax, 61.4s AutomataDifference, 0.0s DeadEndRemovalTime, 14.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1590 SDtfs, 28100 SDslu, 2745 SDs, 0 SdLazy, 34009 SolverSat, 5781 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18835 GetRequests, 18391 SyntacticMatches, 73 SemanticMatches, 371 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7193 ImplicationChecksByTransitivity, 21.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20022occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 4531 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 412 PreInvPairs, 574 NumberOfFragments, 341 HoareAnnotationTreeSize, 412 FomulaSimplifications, 264677 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 149028 FormulaSimplificationTreeSizeReductionInter, 11.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 15463 NumberOfCodeBlocks, 15463 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 24590 ConstructedInterpolants, 0 QuantifiedInterpolants, 72784746 SizeOfPredicates, 60 NumberOfNonLiveVariables, 13748 ConjunctsInSsa, 310 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 42340/50151 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_label47_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_14-31-13-913.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label47_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_14-31-13-913.csv Received shutdown request...