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_label12_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:26:59,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:26:59,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:26:59,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:26:59,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:26:59,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:26:59,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:26:59,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:26:59,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:26:59,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:26:59,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:26:59,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:26:59,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:26:59,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:26:59,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:26:59,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:26:59,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:26:59,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:26:59,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:26:59,221 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:26:59,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:26:59,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:26:59,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:26:59,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:26:59,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:26:59,228 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:26:59,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:26:59,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:26:59,230 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:26:59,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:26:59,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:26:59,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:26:59,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:26:59,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:26:59,235 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:26:59,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:26:59,237 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 20:26:59,267 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:26:59,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:26:59,270 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:26:59,270 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:26:59,270 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:26:59,273 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:26:59,273 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:26:59,274 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:26:59,274 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:26:59,274 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:26:59,274 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:26:59,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:26:59,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:26:59,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:26:59,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:26:59,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:26:59,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:26:59,278 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:26:59,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:26:59,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:26:59,278 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:26:59,278 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:26:59,279 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:26:59,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:26:59,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:26:59,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:26:59,280 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:26:59,280 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:26:59,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:26:59,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:26:59,280 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:26:59,281 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:26:59,281 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:26:59,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:26:59,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:26:59,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:26:59,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:26:59,359 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:26:59,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label12_true-unreach-call_false-termination.c [2018-07-23 20:26:59,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe95a62bb/30be9eacdf4c448ea70c776c1428b014/FLAG35e94859a [2018-07-23 20:27:00,116 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:27:00,117 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label12_true-unreach-call_false-termination.c [2018-07-23 20:27:00,141 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe95a62bb/30be9eacdf4c448ea70c776c1428b014/FLAG35e94859a [2018-07-23 20:27:00,160 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe95a62bb/30be9eacdf4c448ea70c776c1428b014 [2018-07-23 20:27:00,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:27:00,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:27:00,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:27:00,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:27:00,182 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:27:00,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:00,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9c81f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00, skipping insertion in model container [2018-07-23 20:27:00,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:00,415 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:27:00,661 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:27:00,679 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:27:00,870 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:27:00,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00 WrapperNode [2018-07-23 20:27:00,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:27:00,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:27:00,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:27:00,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:27:00,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:00,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:27:01,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:27:01,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:27:01,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:27:01,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (1/1) ... [2018-07-23 20:27:01,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:27:01,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:27:01,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:27:01,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:27:01,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (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 20:27:01,376 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 20:27:01,377 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 20:27:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:27:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:27:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:27:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:27:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:27:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:27:04,792 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:27:04,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:27:04 BoogieIcfgContainer [2018-07-23 20:27:04,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:27:04,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:27:04,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:27:04,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:27:04,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:27:00" (1/3) ... [2018-07-23 20:27:04,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1811d6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:27:04, skipping insertion in model container [2018-07-23 20:27:04,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:27:00" (2/3) ... [2018-07-23 20:27:04,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1811d6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:27:04, skipping insertion in model container [2018-07-23 20:27:04,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:27:04" (3/3) ... [2018-07-23 20:27:04,814 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label12_true-unreach-call_false-termination.c [2018-07-23 20:27:04,828 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:27:04,841 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:27:04,913 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:27:04,914 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:27:04,915 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:27:04,915 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:27:04,915 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:27:04,915 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:27:04,915 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:27:04,916 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:27:04,916 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:27:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-07-23 20:27:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 20:27:04,983 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:27:04,988 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] [2018-07-23 20:27:04,988 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 20:27:04,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1102959605, now seen corresponding path program 1 times [2018-07-23 20:27:04,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:27:05,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:05,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:27:05,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:05,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:27:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:27:05,689 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:27:05,852 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 20:27:05,854 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:27:05,854 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:27:05,855 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:27:05,864 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:27:05,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:27:05,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:27:05,884 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-07-23 20:27:07,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:27:07,552 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-07-23 20:27:07,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:27:07,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-07-23 20:27:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:27:07,575 INFO L225 Difference]: With dead ends: 626 [2018-07-23 20:27:07,575 INFO L226 Difference]: Without dead ends: 387 [2018-07-23 20:27:07,582 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:27:07,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-23 20:27:07,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-07-23 20:27:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-23 20:27:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-07-23 20:27:07,712 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 125 [2018-07-23 20:27:07,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:27:07,713 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-07-23 20:27:07,713 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:27:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-07-23 20:27:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 20:27:07,728 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:27:07,729 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-07-23 20:27:07,729 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 20:27:07,729 INFO L82 PathProgramCache]: Analyzing trace with hash 35057248, now seen corresponding path program 1 times [2018-07-23 20:27:07,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:27:07,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:07,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:27:07,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:07,737 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:27:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:27:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:27:08,068 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:27:08,068 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:27:08,069 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:27:08,071 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:27:08,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:27:08,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:27:08,072 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-07-23 20:27:10,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:27:10,225 INFO L93 Difference]: Finished difference Result 986 states and 1688 transitions. [2018-07-23 20:27:10,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:27:10,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-07-23 20:27:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:27:10,236 INFO L225 Difference]: With dead ends: 986 [2018-07-23 20:27:10,237 INFO L226 Difference]: Without dead ends: 609 [2018-07-23 20:27:10,242 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 20:27:10,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2018-07-23 20:27:10,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 596. [2018-07-23 20:27:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2018-07-23 20:27:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 941 transitions. [2018-07-23 20:27:10,287 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 941 transitions. Word has length 146 [2018-07-23 20:27:10,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:27:10,287 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 941 transitions. [2018-07-23 20:27:10,288 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:27:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 941 transitions. [2018-07-23 20:27:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 20:27:10,293 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:27:10,293 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-07-23 20:27:10,293 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 20:27:10,294 INFO L82 PathProgramCache]: Analyzing trace with hash -218362806, now seen corresponding path program 1 times [2018-07-23 20:27:10,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:27:10,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:10,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:27:10,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:10,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:27:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:27:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:27:10,474 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:27:10,474 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:27:10,474 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:27:10,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:27:10,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:27:10,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:27:10,476 INFO L87 Difference]: Start difference. First operand 596 states and 941 transitions. Second operand 3 states. [2018-07-23 20:27:12,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:27:12,396 INFO L93 Difference]: Finished difference Result 1673 states and 2736 transitions. [2018-07-23 20:27:12,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:27:12,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-07-23 20:27:12,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:27:12,406 INFO L225 Difference]: With dead ends: 1673 [2018-07-23 20:27:12,406 INFO L226 Difference]: Without dead ends: 1083 [2018-07-23 20:27:12,410 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 20:27:12,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2018-07-23 20:27:12,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2018-07-23 20:27:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1083 states. [2018-07-23 20:27:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1651 transitions. [2018-07-23 20:27:12,471 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1651 transitions. Word has length 147 [2018-07-23 20:27:12,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:27:12,474 INFO L471 AbstractCegarLoop]: Abstraction has 1083 states and 1651 transitions. [2018-07-23 20:27:12,475 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:27:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1651 transitions. [2018-07-23 20:27:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 20:27:12,483 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:27:12,483 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, 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 20:27:12,484 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 20:27:12,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1279284540, now seen corresponding path program 1 times [2018-07-23 20:27:12,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:27:12,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:12,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:27:12,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:12,486 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:27:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:27:12,827 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:27:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 20:27:13,259 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:27:13,259 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:27:13,261 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-07-23 20:27:13,263 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], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [180], [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], [669], [671], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-07-23 20:27:13,358 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:27:13,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:27:32,108 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:27:32,110 INFO L272 AbstractInterpreter]: Visited 126 different actions 126 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-07-23 20:27:32,127 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:27:35,346 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: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.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:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.determineInductivity(AbsIntPredicateInterpolantSequenceWeakener.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.refinePreState(AbsIntPredicateInterpolantSequenceWeakener.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.refinePreState(AbsIntPredicateInterpolantSequenceWeakener.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.InterpolantSequenceWeakener.generateResult(InterpolantSequenceWeakener.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.InterpolantSequenceWeakener.(InterpolantSequenceWeakener.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.(AbsIntPredicateInterpolantSequenceWeakener.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.weakenPredicates(CegarAbsIntRunner.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.createInterpolantGenerator(CegarAbsIntRunner.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getInterpolantGenerator(CegarAbsIntRunner.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.getInterpolantGenerator(CegarAbsIntRunner.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:387) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:377) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:203) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:406) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) 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 20:27:35,352 INFO L168 Benchmark]: Toolchain (without parser) took 35180.09 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 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-23 20:27:35,354 INFO L168 Benchmark]: CDTParser took 0.25 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 20:27:35,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:35,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.24 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 20:27:35,356 INFO L168 Benchmark]: Boogie Preprocessor took 260.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.4 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:35,357 INFO L168 Benchmark]: RCFGBuilder took 3500.71 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: 125.7 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:35,358 INFO L168 Benchmark]: TraceAbstraction took 30555.80 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 3.1 GB in the end (delta: -982.4 MB). Peak memory consumption was 931.7 MB. Max. memory is 7.1 GB. [2018-07-23 20:27:35,363 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 754.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 103.24 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 260.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.4 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3500.71 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: 125.7 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30555.80 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 3.1 GB in the end (delta: -982.4 MB). Peak memory consumption was 931.7 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_label12_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-27-35-378.csv Received shutdown request...