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/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:29:36,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:29:36,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:29:36,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:29:36,134 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:29:36,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:29:36,137 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:29:36,140 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:29:36,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:29:36,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:29:36,147 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:29:36,147 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:29:36,148 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:29:36,149 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:29:36,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:29:36,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:29:36,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:29:36,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:29:36,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:29:36,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:29:36,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:29:36,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:29:36,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:29:36,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:29:36,182 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:29:36,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:29:36,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:29:36,186 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:29:36,187 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:29:36,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:29:36,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:29:36,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:29:36,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:29:36,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:29:36,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:29:36,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:29:36,193 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 20:29:36,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:29:36,214 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:29:36,215 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:29:36,216 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:29:36,216 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:29:36,216 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:29:36,216 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:29:36,217 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:29:36,217 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:29:36,217 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:29:36,217 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:29:36,218 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:29:36,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:29:36,220 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:29:36,220 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:29:36,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:29:36,220 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:29:36,220 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:29:36,221 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:29:36,221 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:29:36,221 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:29:36,221 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:29:36,222 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:29:36,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:29:36,223 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:29:36,223 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:29:36,223 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:29:36,223 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:29:36,224 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:29:36,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:29:36,224 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:29:36,224 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:29:36,224 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:29:36,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:29:36,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:29:36,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:29:36,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:29:36,321 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:29:36,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-07-23 20:29:36,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3ba9baf/e49ed6a2ecd24993a31947525fb63e3e/FLAG8ca5c5d44 [2018-07-23 20:29:36,934 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:29:36,935 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-07-23 20:29:36,965 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3ba9baf/e49ed6a2ecd24993a31947525fb63e3e/FLAG8ca5c5d44 [2018-07-23 20:29:36,980 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3ba9baf/e49ed6a2ecd24993a31947525fb63e3e [2018-07-23 20:29:36,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:29:36,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:29:36,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:29:36,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:29:37,003 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:29:37,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:29:36" (1/1) ... [2018-07-23 20:29:37,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47db165b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37, skipping insertion in model container [2018-07-23 20:29:37,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:29:36" (1/1) ... [2018-07-23 20:29:37,218 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:29:37,513 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:29:37,530 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:29:37,704 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:29:37,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37 WrapperNode [2018-07-23 20:29:37,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:29:37,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:29:37,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:29:37,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:29:37,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:37,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:37,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:29:37,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:29:37,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:29:37,895 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:29:37,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:37,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:37,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:37,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:38,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:38,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:38,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (1/1) ... [2018-07-23 20:29:38,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:29:38,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:29:38,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:29:38,144 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:29:38,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (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 [2018-07-23 20:29:38,223 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 [2018-07-23 20:29:38,223 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 [2018-07-23 20:29:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:29:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:29:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:29:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:29:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:29:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:29:41,874 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:29:41,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:29:41 BoogieIcfgContainer [2018-07-23 20:29:41,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:29:41,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:29:41,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:29:41,885 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:29:41,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:29:36" (1/3) ... [2018-07-23 20:29:41,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc9262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:29:41, skipping insertion in model container [2018-07-23 20:29:41,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:29:37" (2/3) ... [2018-07-23 20:29:41,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc9262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:29:41, skipping insertion in model container [2018-07-23 20:29:41,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:29:41" (3/3) ... [2018-07-23 20:29:41,889 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label42_true-unreach-call_false-termination.c [2018-07-23 20:29:41,900 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:29:41,914 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:29:41,984 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:29:41,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:29:41,985 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:29:41,985 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:29:41,986 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:29:41,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:29:41,986 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:29:41,986 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:29:41,986 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:29:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-07-23 20:29:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 20:29:42,034 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:29:42,035 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:29:42,035 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]=== [2018-07-23 20:29:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1562950989, now seen corresponding path program 1 times [2018-07-23 20:29:42,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:29:42,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:29:42,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:29:42,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:29:42,105 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:29:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:29:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:29:42,863 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:29:42,863 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 20:29:42,863 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:29:42,871 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 20:29:42,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 20:29:42,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 20:29:42,892 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-07-23 20:29:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:29:45,653 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-07-23 20:29:45,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 20:29:45,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-07-23 20:29:45,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:29:45,683 INFO L225 Difference]: With dead ends: 788 [2018-07-23 20:29:45,684 INFO L226 Difference]: Without dead ends: 545 [2018-07-23 20:29:45,694 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 20:29:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-07-23 20:29:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-07-23 20:29:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-23 20:29:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-07-23 20:29:45,775 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 107 [2018-07-23 20:29:45,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:29:45,777 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-07-23 20:29:45,777 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 20:29:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-07-23 20:29:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 20:29:45,784 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:29:45,784 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:29:45,785 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]=== [2018-07-23 20:29:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash -158126430, now seen corresponding path program 1 times [2018-07-23 20:29:45,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:29:45,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:29:45,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:29:45,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:29:45,787 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:29:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:29:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:29:45,996 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:29:45,996 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:29:45,996 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:29:45,998 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:29:45,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:29:45,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:29:45,999 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-07-23 20:29:47,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:29:47,063 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-07-23 20:29:47,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:29:47,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-07-23 20:29:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:29:47,073 INFO L225 Difference]: With dead ends: 1060 [2018-07-23 20:29:47,074 INFO L226 Difference]: Without dead ends: 683 [2018-07-23 20:29:47,077 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:29:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-07-23 20:29:47,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-07-23 20:29:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-07-23 20:29:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-07-23 20:29:47,120 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 116 [2018-07-23 20:29:47,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:29:47,121 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-07-23 20:29:47,121 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:29:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-07-23 20:29:47,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 20:29:47,129 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:29:47,129 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:29:47,129 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]=== [2018-07-23 20:29:47,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2102658672, now seen corresponding path program 1 times [2018-07-23 20:29:47,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:29:47,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:29:47,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:29:47,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:29:47,132 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:29:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:29:47,383 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:29:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 20:29:47,631 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:29:47,631 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:29:47,632 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-07-23 20:29:47,635 INFO L201 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [101], [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], [525], [527], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-07-23 20:29:47,699 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:29:47,699 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:30:04,605 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:30:04,607 INFO L272 AbstractInterpreter]: Visited 108 different actions 108 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-07-23 20:30:04,620 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:30:08,410 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.88% of their original sizes. [2018-07-23 20:30:08,411 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:30:09,334 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:30:09,336 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:30:09,336 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-07-23 20:30:09,336 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:30:09,337 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 20:30:09,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 20:30:09,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-23 20:30:09,338 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 11 states. [2018-07-23 20:30:10,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 20:30:10,517 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: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:93) 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.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:309) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:363) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:443) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:343) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:641) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) 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:119) 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) [2018-07-23 20:30:10,521 INFO L168 Benchmark]: Toolchain (without parser) took 33528.73 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 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 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 20:30:10,523 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-07-23 20:30:10,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.48 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 20:30:10,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.76 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. [2018-07-23 20:30:10,525 INFO L168 Benchmark]: Boogie Preprocessor took 248.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2018-07-23 20:30:10,526 INFO L168 Benchmark]: RCFGBuilder took 3734.37 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: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 7.1 GB. [2018-07-23 20:30:10,527 INFO L168 Benchmark]: TraceAbstraction took 28641.28 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 2.5 GB in the end (delta: -423.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-23 20:30:10,533 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 770.48 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 128.76 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 248.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3734.37 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: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28641.28 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 2.5 GB in the end (delta: -423.1 MB). Peak memory consumption was 1.5 GB. 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_label42_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-30-10-559.csv Received shutdown request...