java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 09:35:12,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 09:35:12,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 09:35:12,746 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 09:35:12,746 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 09:35:12,747 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 09:35:12,749 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 09:35:12,750 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 09:35:12,752 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 09:35:12,753 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 09:35:12,754 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 09:35:12,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 09:35:12,755 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 09:35:12,756 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 09:35:12,757 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 09:35:12,758 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 09:35:12,759 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 09:35:12,761 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 09:35:12,763 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 09:35:12,764 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 09:35:12,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 09:35:12,767 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 09:35:12,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 09:35:12,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 09:35:12,770 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 09:35:12,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 09:35:12,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 09:35:12,772 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 09:35:12,773 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 09:35:12,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 09:35:12,774 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 09:35:12,775 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-08-08 09:35:12,778 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-08-08 09:35:12,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 09:35:12,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 09:35:12,794 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 09:35:12,794 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 09:35:12,795 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 09:35:12,795 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 09:35:12,795 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 09:35:12,795 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 09:35:12,795 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-08-08 09:35:12,796 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 09:35:12,796 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 09:35:12,796 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 09:35:12,797 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 09:35:12,797 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 09:35:12,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 09:35:12,797 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 09:35:12,797 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 09:35:12,798 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 09:35:12,798 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 09:35:12,798 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 09:35:12,798 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 09:35:12,798 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 09:35:12,799 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 09:35:12,799 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 09:35:12,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 09:35:12,799 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 09:35:12,799 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 09:35:12,800 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 09:35:12,800 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 09:35:12,800 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 09:35:12,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 09:35:12,800 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 09:35:12,801 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 09:35:12,801 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 09:35:12,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 09:35:12,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 09:35:12,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 09:35:12,863 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 09:35:12,864 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 09:35:12,864 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-08-08 09:35:13,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5547eddfd/be986810e2d840ec8556310b350230bb/FLAG5afe907cf [2018-08-08 09:35:13,518 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 09:35:13,519 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-08-08 09:35:13,543 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5547eddfd/be986810e2d840ec8556310b350230bb/FLAG5afe907cf [2018-08-08 09:35:13,559 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5547eddfd/be986810e2d840ec8556310b350230bb [2018-08-08 09:35:13,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 09:35:13,572 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 09:35:13,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 09:35:13,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 09:35:13,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 09:35:13,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:35:13" (1/1) ... [2018-08-08 09:35:13,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccc3f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:13, skipping insertion in model container [2018-08-08 09:35:13,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:35:13" (1/1) ... [2018-08-08 09:35:13,803 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 09:35:14,080 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 09:35:14,098 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 09:35:14,217 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 09:35:14,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14 WrapperNode [2018-08-08 09:35:14,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 09:35:14,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 09:35:14,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 09:35:14,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 09:35:14,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 09:35:14,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 09:35:14,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 09:35:14,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 09:35:14,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (1/1) ... [2018-08-08 09:35:14,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 09:35:14,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 09:35:14,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 09:35:14,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 09:35:14,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (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 [2018-08-08 09:35:14,628 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 [2018-08-08 09:35:14,629 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 [2018-08-08 09:35:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 09:35:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 09:35:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 09:35:14,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 09:35:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 09:35:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 09:35:17,955 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 09:35:17,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:35:17 BoogieIcfgContainer [2018-08-08 09:35:17,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 09:35:17,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 09:35:17,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 09:35:17,965 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 09:35:17,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 09:35:13" (1/3) ... [2018-08-08 09:35:17,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd3595d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 09:35:17, skipping insertion in model container [2018-08-08 09:35:17,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:35:14" (2/3) ... [2018-08-08 09:35:17,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd3595d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 09:35:17, skipping insertion in model container [2018-08-08 09:35:17,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:35:17" (3/3) ... [2018-08-08 09:35:17,977 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label04_true-unreach-call_false-termination.c [2018-08-08 09:35:17,987 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 09:35:17,995 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 09:35:18,053 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 09:35:18,054 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 09:35:18,054 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 09:35:18,054 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 09:35:18,054 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 09:35:18,055 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 09:35:18,057 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 09:35:18,057 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 09:35:18,057 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 09:35:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-08-08 09:35:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-08-08 09:35:18,100 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:18,101 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:18,102 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:18,108 INFO L82 PathProgramCache]: Analyzing trace with hash 874735493, now seen corresponding path program 1 times [2018-08-08 09:35:18,111 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:18,112 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-08-08 09:35:18,114 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [862], [863], [867], [871], [877], [881], [888], [889], [890], [892] [2018-08-08 09:35:18,150 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:18,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:18,457 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:18,459 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-08-08 09:35:18,510 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:18,757 INFO L232 lantSequenceWeakener]: Weakened 110 states. On average, predicates are now at 80.85% of their original sizes. [2018-08-08 09:35:18,757 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:18,969 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:18,970 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:18,971 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 09:35:18,971 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:18,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 09:35:18,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 09:35:18,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-08-08 09:35:18,987 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 6 states. [2018-08-08 09:35:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:21,079 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-08-08 09:35:21,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-08-08 09:35:21,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-08-08 09:35:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:21,099 INFO L225 Difference]: With dead ends: 622 [2018-08-08 09:35:21,099 INFO L226 Difference]: Without dead ends: 383 [2018-08-08 09:35:21,105 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-08-08 09:35:21,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-08-08 09:35:21,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-08-08 09:35:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-08-08 09:35:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-08-08 09:35:21,189 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 113 [2018-08-08 09:35:21,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:21,190 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-08-08 09:35:21,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 09:35:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-08-08 09:35:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-08-08 09:35:21,197 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:21,197 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:21,198 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:21,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1510456252, now seen corresponding path program 1 times [2018-08-08 09:35:21,198 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:21,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 124 with the following transitions: [2018-08-08 09:35:21,199 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [8], [12], [16], [20], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-08-08 09:35:21,204 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:21,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:21,473 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:21,473 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-08-08 09:35:21,514 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:21,756 INFO L232 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 80.91% of their original sizes. [2018-08-08 09:35:21,756 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:22,108 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:22,108 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:22,109 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 09:35:22,109 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:22,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 09:35:22,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 09:35:22,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 09:35:22,111 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 9 states. [2018-08-08 09:35:25,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:25,742 INFO L93 Difference]: Finished difference Result 905 states and 1347 transitions. [2018-08-08 09:35:25,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 09:35:25,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 123 [2018-08-08 09:35:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:25,750 INFO L225 Difference]: With dead ends: 905 [2018-08-08 09:35:25,750 INFO L226 Difference]: Without dead ends: 531 [2018-08-08 09:35:25,753 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 129 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 09:35:25,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-08-08 09:35:25,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 527. [2018-08-08 09:35:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-08-08 09:35:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-08-08 09:35:25,794 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 123 [2018-08-08 09:35:25,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:25,794 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-08-08 09:35:25,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 09:35:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-08-08 09:35:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-08-08 09:35:25,799 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:25,799 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:25,800 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:25,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1092272948, now seen corresponding path program 1 times [2018-08-08 09:35:25,800 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:25,801 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-08-08 09:35:25,801 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-08-08 09:35:25,804 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:25,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:26,004 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:26,004 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-08-08 09:35:26,043 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:26,204 INFO L232 lantSequenceWeakener]: Weakened 124 states. On average, predicates are now at 80.9% of their original sizes. [2018-08-08 09:35:26,204 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 09:35:26,718 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 09:35:26,719 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 09:35:26,719 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 09:35:26,719 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 09:35:26,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 09:35:26,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 09:35:26,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 09:35:26,721 INFO L87 Difference]: Start difference. First operand 527 states and 690 transitions. Second operand 9 states. [2018-08-08 09:35:30,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 09:35:30,195 INFO L93 Difference]: Finished difference Result 1199 states and 1665 transitions. [2018-08-08 09:35:30,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 09:35:30,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2018-08-08 09:35:30,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 09:35:30,202 INFO L225 Difference]: With dead ends: 1199 [2018-08-08 09:35:30,202 INFO L226 Difference]: Without dead ends: 678 [2018-08-08 09:35:30,204 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 09:35:30,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-08-08 09:35:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 674. [2018-08-08 09:35:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-08-08 09:35:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 849 transitions. [2018-08-08 09:35:30,241 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 849 transitions. Word has length 127 [2018-08-08 09:35:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 09:35:30,242 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 849 transitions. [2018-08-08 09:35:30,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 09:35:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 849 transitions. [2018-08-08 09:35:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-08-08 09:35:30,251 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 09:35:30,252 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 09:35:30,252 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 09:35:30,252 INFO L82 PathProgramCache]: Analyzing trace with hash 129851211, now seen corresponding path program 1 times [2018-08-08 09:35:30,252 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 09:35:30,253 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-08-08 09:35:30,253 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-08-08 09:35:30,260 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 09:35:30,260 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 09:35:30,665 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 09:35:30,665 INFO L272 AbstractInterpreter]: Visited 117 different actions 458 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-08-08 09:35:30,710 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 09:35:30,806 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: There is no value of variable ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a25~0. at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getValue(NonrelationalState.java:148) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.lambda$0(SingletonVariableExpressionEvaluator.java:86) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.util.typeutils.TypeUtils.applyVariableFunctionPerType(TypeUtils.java:114) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.util.typeutils.TypeUtils.applyVariableFunction(TypeUtils.java:103) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.evaluate(SingletonVariableExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.evaluate(SingletonVariableExpressionEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssumeStatement(NonrelationalStatementProcessor.java:370) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:141) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:127) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:362) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:353) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:363) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:443) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:343) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.determineInductivity(AbsIntPredicateInterpolantSequenceWeakener.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.refinePreState(AbsIntPredicateInterpolantSequenceWeakener.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.refinePreState(AbsIntPredicateInterpolantSequenceWeakener.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.InterpolantSequenceWeakener.generateResult(InterpolantSequenceWeakener.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.InterpolantSequenceWeakener.(InterpolantSequenceWeakener.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.(AbsIntPredicateInterpolantSequenceWeakener.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.weakenPredicates(CegarAbsIntRunner.java:441) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.createInterpolantGenerator(CegarAbsIntRunner.java:406) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getInterpolantGenerator(CegarAbsIntRunner.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.getInterpolantGenerator(CegarAbsIntRunner.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.ToothlessTaipanRefinementStrategy.getInterpolantGenerator(ToothlessTaipanRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.ToothlessTaipanRefinementStrategy.executeStrategy(ToothlessTaipanRefinementStrategy.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-08-08 09:35:30,819 INFO L168 Benchmark]: Toolchain (without parser) took 17247.55 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:30,821 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-08-08 09:35:30,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:30,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 09:35:30,824 INFO L168 Benchmark]: Boogie Preprocessor took 59.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:30,828 INFO L168 Benchmark]: RCFGBuilder took 3557.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-08-08 09:35:30,829 INFO L168 Benchmark]: TraceAbstraction took 12858.89 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 339.2 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -357.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 09:35:30,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 689.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3557.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12858.89 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 339.2 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -357.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: There is no value of variable ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a25~0. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: There is no value of variable ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__a25~0.: de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getValue(NonrelationalState.java:148) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label04_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_09-35-30-860.csv Received shutdown request...