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_label09_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:26:19,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:26:19,353 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:26:19,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:26:19,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:26:19,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:26:19,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:26:19,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:26:19,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:26:19,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:26:19,376 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:26:19,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:26:19,377 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:26:19,378 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:26:19,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:26:19,380 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:26:19,381 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:26:19,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:26:19,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:26:19,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:26:19,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:26:19,389 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:26:19,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:26:19,392 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:26:19,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:26:19,393 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:26:19,394 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:26:19,395 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:26:19,396 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:26:19,397 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:26:19,397 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:26:19,398 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:26:19,398 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:26:19,398 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:26:19,400 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:26:19,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:26:19,401 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 20:26:19,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:26:19,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:26:19,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:26:19,427 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:26:19,427 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:26:19,427 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:26:19,428 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:26:19,428 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:26:19,428 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:26:19,428 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:26:19,428 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:26:19,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:26:19,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:26:19,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:26:19,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:26:19,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:26:19,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:26:19,430 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:26:19,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:26:19,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:26:19,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:26:19,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:26:19,431 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:26:19,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:26:19,432 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:26:19,432 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:26:19,432 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:26:19,433 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:26:19,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:26:19,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:26:19,433 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:26:19,433 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:26:19,434 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:26:19,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:26:19,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:26:19,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:26:19,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:26:19,503 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:26:19,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-07-23 20:26:19,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10cd72ba2/9872655b8a3545a4a18bb60a7e2a17a5/FLAG2bbd89979 [2018-07-23 20:26:20,237 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:26:20,238 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-07-23 20:26:20,275 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10cd72ba2/9872655b8a3545a4a18bb60a7e2a17a5/FLAG2bbd89979 [2018-07-23 20:26:20,296 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10cd72ba2/9872655b8a3545a4a18bb60a7e2a17a5 [2018-07-23 20:26:20,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:26:20,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:26:20,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:26:20,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:26:20,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:26:20,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:26:20" (1/1) ... [2018-07-23 20:26:20,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632c0a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:20, skipping insertion in model container [2018-07-23 20:26:20,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:26:20" (1/1) ... [2018-07-23 20:26:20,565 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:26:20,858 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:26:20,882 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:26:21,053 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:26:21,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21 WrapperNode [2018-07-23 20:26:21,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:26:21,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:26:21,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:26:21,111 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:26:21,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:26:21,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:26:21,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:26:21,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:26:21,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (1/1) ... [2018-07-23 20:26:21,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:26:21,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:26:21,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:26:21,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:26:21,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (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 20:26:21,601 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 20:26:21,602 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 20:26:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:26:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:26:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:26:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:26:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:26:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:26:25,396 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:26:25,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:26:25 BoogieIcfgContainer [2018-07-23 20:26:25,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:26:25,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:26:25,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:26:25,412 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:26:25,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:26:20" (1/3) ... [2018-07-23 20:26:25,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427f45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:26:25, skipping insertion in model container [2018-07-23 20:26:25,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:26:21" (2/3) ... [2018-07-23 20:26:25,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427f45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:26:25, skipping insertion in model container [2018-07-23 20:26:25,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:26:25" (3/3) ... [2018-07-23 20:26:25,423 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-07-23 20:26:25,440 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:26:25,453 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:26:25,517 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:26:25,518 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:26:25,518 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:26:25,518 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:26:25,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:26:25,519 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:26:25,519 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:26:25,519 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:26:25,520 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:26:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-07-23 20:26:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 20:26:25,574 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:26:25,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:26:25,576 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 20:26:25,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1774454456, now seen corresponding path program 1 times [2018-07-23 20:26:25,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:26:25,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:25,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:26:25,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:25,648 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:26:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:26:26,331 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:26:26,455 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 20:26:26,458 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:26:26,459 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:26:26,459 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:26:26,467 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:26:26,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:26:26,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:26:26,491 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-07-23 20:26:28,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:26:28,607 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-07-23 20:26:28,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:26:28,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-07-23 20:26:28,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:26:28,632 INFO L225 Difference]: With dead ends: 618 [2018-07-23 20:26:28,633 INFO L226 Difference]: Without dead ends: 379 [2018-07-23 20:26:28,642 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:26:28,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-07-23 20:26:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-07-23 20:26:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-07-23 20:26:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-07-23 20:26:28,734 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 128 [2018-07-23 20:26:28,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:26:28,735 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-07-23 20:26:28,735 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:26:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-07-23 20:26:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 20:26:28,743 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:26:28,744 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:28,744 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 20:26:28,745 INFO L82 PathProgramCache]: Analyzing trace with hash -318591539, now seen corresponding path program 1 times [2018-07-23 20:26:28,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:26:28,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:28,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:26:28,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:28,748 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:26:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:26:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:26:28,947 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:26:28,948 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:26:28,948 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:26:28,951 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:26:28,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:26:28,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:26:28,952 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-07-23 20:26:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:26:31,339 INFO L93 Difference]: Finished difference Result 1179 states and 1996 transitions. [2018-07-23 20:26:31,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:26:31,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-07-23 20:26:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:26:31,355 INFO L225 Difference]: With dead ends: 1179 [2018-07-23 20:26:31,355 INFO L226 Difference]: Without dead ends: 806 [2018-07-23 20:26:31,361 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:26:31,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-07-23 20:26:31,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 801. [2018-07-23 20:26:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-07-23 20:26:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1250 transitions. [2018-07-23 20:26:31,431 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1250 transitions. Word has length 144 [2018-07-23 20:26:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:26:31,432 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1250 transitions. [2018-07-23 20:26:31,432 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:26:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1250 transitions. [2018-07-23 20:26:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 20:26:31,440 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:26:31,440 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:31,440 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 20:26:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1379644032, now seen corresponding path program 1 times [2018-07-23 20:26:31,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:26:31,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:31,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:26:31,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:31,443 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:26:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:26:31,663 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:26:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:26:31,726 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:26:31,727 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:26:31,727 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:26:31,728 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:26:31,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:26:31,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:26:31,729 INFO L87 Difference]: Start difference. First operand 801 states and 1250 transitions. Second operand 6 states. [2018-07-23 20:26:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:26:35,606 INFO L93 Difference]: Finished difference Result 2467 states and 4003 transitions. [2018-07-23 20:26:35,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:26:35,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-07-23 20:26:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:26:35,631 INFO L225 Difference]: With dead ends: 2467 [2018-07-23 20:26:35,632 INFO L226 Difference]: Without dead ends: 1672 [2018-07-23 20:26:35,638 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:26:35,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2018-07-23 20:26:35,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1636. [2018-07-23 20:26:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-07-23 20:26:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2421 transitions. [2018-07-23 20:26:35,742 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2421 transitions. Word has length 151 [2018-07-23 20:26:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:26:35,742 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2421 transitions. [2018-07-23 20:26:35,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:26:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2421 transitions. [2018-07-23 20:26:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 20:26:35,755 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:26:35,757 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:35,757 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:26:35,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1429658872, now seen corresponding path program 1 times [2018-07-23 20:26:35,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:26:35,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:35,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:26:35,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:35,760 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:26:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:26:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:26:36,193 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:26:36,193 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 20:26:36,194 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:26:36,194 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 20:26:36,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 20:26:36,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 20:26:36,195 INFO L87 Difference]: Start difference. First operand 1636 states and 2421 transitions. Second operand 5 states. [2018-07-23 20:26:38,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:26:38,290 INFO L93 Difference]: Finished difference Result 3411 states and 5109 transitions. [2018-07-23 20:26:38,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 20:26:38,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-07-23 20:26:38,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:26:38,309 INFO L225 Difference]: With dead ends: 3411 [2018-07-23 20:26:38,310 INFO L226 Difference]: Without dead ends: 1633 [2018-07-23 20:26:38,320 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 20:26:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2018-07-23 20:26:38,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1633. [2018-07-23 20:26:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1633 states. [2018-07-23 20:26:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2383 transitions. [2018-07-23 20:26:38,392 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2383 transitions. Word has length 155 [2018-07-23 20:26:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:26:38,393 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2383 transitions. [2018-07-23 20:26:38,393 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 20:26:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2383 transitions. [2018-07-23 20:26:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 20:26:38,403 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:26:38,403 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:38,403 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:26:38,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1110378352, now seen corresponding path program 1 times [2018-07-23 20:26:38,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:26:38,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:38,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:26:38,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:38,406 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:26:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:26:38,682 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:26:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:26:39,113 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:26:39,115 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:26:39,115 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:26:39,116 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:26:39,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:26:39,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:26:39,117 INFO L87 Difference]: Start difference. First operand 1633 states and 2383 transitions. Second operand 6 states. [2018-07-23 20:26:40,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:26:40,669 INFO L93 Difference]: Finished difference Result 4708 states and 7207 transitions. [2018-07-23 20:26:40,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:26:40,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-07-23 20:26:40,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:26:40,700 INFO L225 Difference]: With dead ends: 4708 [2018-07-23 20:26:40,701 INFO L226 Difference]: Without dead ends: 3081 [2018-07-23 20:26:40,712 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:26:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2018-07-23 20:26:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 3055. [2018-07-23 20:26:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3055 states. [2018-07-23 20:26:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 4468 transitions. [2018-07-23 20:26:40,831 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 4468 transitions. Word has length 159 [2018-07-23 20:26:40,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:26:40,832 INFO L471 AbstractCegarLoop]: Abstraction has 3055 states and 4468 transitions. [2018-07-23 20:26:40,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:26:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 4468 transitions. [2018-07-23 20:26:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 20:26:40,844 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:26:40,845 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, 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] [2018-07-23 20:26:40,845 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:26:40,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1485838267, now seen corresponding path program 1 times [2018-07-23 20:26:40,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:26:40,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:40,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:26:40,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:26:40,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:26:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:26:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:26:41,281 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:26:41,281 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:26:41,283 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-07-23 20:26:41,286 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], [102], [105], [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], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-07-23 20:26:41,372 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:26:41,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:27:01,572 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:27:01,574 INFO L272 AbstractInterpreter]: Visited 129 different actions 129 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-07-23 20:27:01,586 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:27:06,402 INFO L232 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 81.18% of their original sizes. [2018-07-23 20:27:06,402 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:27:07,468 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:27:07,470 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:27:07,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-07-23 20:27:07,470 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:27:07,471 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 20:27:07,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 20:27:07,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-07-23 20:27:07,472 INFO L87 Difference]: Start difference. First operand 3055 states and 4468 transitions. Second operand 10 states. [2018-07-23 20:27:08,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 20:27:08,259 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 20:27:08,265 INFO L168 Benchmark]: Toolchain (without parser) took 47952.66 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 195.5 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:08,266 INFO L168 Benchmark]: CDTParser took 0.23 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 20:27:08,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:08,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 20:27:08,268 INFO L168 Benchmark]: Boogie Preprocessor took 288.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -816.8 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:08,269 INFO L168 Benchmark]: RCFGBuilder took 3899.30 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:08,270 INFO L168 Benchmark]: TraceAbstraction took 42861.72 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 124.9 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:08,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 791.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 98.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 288.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -816.8 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3899.30 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42861.72 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 124.9 MB. 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_label09_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-27-08-289.csv Received shutdown request...