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/Problem14_label54_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:38:53,272 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:38:53,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:38:53,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:38:53,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:38:53,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:38:53,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:38:53,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:38:53,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:38:53,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:38:53,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:38:53,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:38:53,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:38:53,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:38:53,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:38:53,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:38:53,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:38:53,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:38:53,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:38:53,334 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:38:53,335 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:38:53,336 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:38:53,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:38:53,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:38:53,339 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:38:53,340 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:38:53,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:38:53,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:38:53,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:38:53,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:38:53,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:38:53,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 19:38:53,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:38:53,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:38:53,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:38:53,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:38:53,347 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 19:38:53,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:38:53,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:38:53,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:38:53,371 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:38:53,371 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:38:53,371 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:38:53,372 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:38:53,372 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:38:53,372 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:38:53,372 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:38:53,372 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:38:53,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:38:53,374 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:38:53,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:38:53,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:38:53,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:38:53,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:38:53,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:38:53,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:38:53,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:38:53,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:38:53,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:38:53,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:38:53,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:38:53,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:38:53,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:38:53,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:38:53,379 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:38:53,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:38:53,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:38:53,379 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:38:53,380 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:38:53,380 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:38:53,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:38:53,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:38:53,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:38:53,474 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:38:53,475 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:38:53,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label54_false-unreach-call_false-termination.c [2018-07-23 19:38:53,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd94d321b/08ae59c9ef184ae5adc4c86bca9f3d30/FLAGfa7cc168d [2018-07-23 19:38:54,144 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:38:54,148 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label54_false-unreach-call_false-termination.c [2018-07-23 19:38:54,176 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd94d321b/08ae59c9ef184ae5adc4c86bca9f3d30/FLAGfa7cc168d [2018-07-23 19:38:54,196 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd94d321b/08ae59c9ef184ae5adc4c86bca9f3d30 [2018-07-23 19:38:54,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:38:54,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:38:54,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:38:54,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:38:54,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:38:54,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:38:54" (1/1) ... [2018-07-23 19:38:54,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be461d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:54, skipping insertion in model container [2018-07-23 19:38:54,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:38:54" (1/1) ... [2018-07-23 19:38:54,462 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:38:54,806 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:38:54,825 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:38:54,974 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:38:55,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55 WrapperNode [2018-07-23 19:38:55,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:38:55,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:38:55,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:38:55,035 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:38:55,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:38:55,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:38:55,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:38:55,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:38:55,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (1/1) ... [2018-07-23 19:38:55,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:38:55,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:38:55,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:38:55,484 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:38:55,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (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 19:38:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:38:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:38:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:38:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:38:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:38:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:38:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 19:38:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 19:38:59,426 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:38:59,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:38:59 BoogieIcfgContainer [2018-07-23 19:38:59,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:38:59,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:38:59,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:38:59,437 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:38:59,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:38:54" (1/3) ... [2018-07-23 19:38:59,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253494f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:38:59, skipping insertion in model container [2018-07-23 19:38:59,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:38:55" (2/3) ... [2018-07-23 19:38:59,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253494f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:38:59, skipping insertion in model container [2018-07-23 19:38:59,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:38:59" (3/3) ... [2018-07-23 19:38:59,442 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label54_false-unreach-call_false-termination.c [2018-07-23 19:38:59,452 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:38:59,464 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:38:59,520 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:38:59,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:38:59,521 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:38:59,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:38:59,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:38:59,521 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:38:59,522 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:38:59,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:38:59,522 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:38:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-23 19:38:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 19:38:59,556 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:38:59,557 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:38:59,557 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:38:59,563 INFO L82 PathProgramCache]: Analyzing trace with hash 514868929, now seen corresponding path program 1 times [2018-07-23 19:38:59,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:38:59,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:38:59,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:38:59,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:38:59,615 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:38:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:38:59,936 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:38:59,943 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 19:38:59,945 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:38:59,946 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 19:38:59,946 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:38:59,951 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 19:38:59,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 19:38:59,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:38:59,966 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-23 19:39:02,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:39:02,045 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-23 19:39:02,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 19:39:02,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-07-23 19:39:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:39:02,070 INFO L225 Difference]: With dead ends: 691 [2018-07-23 19:39:02,070 INFO L226 Difference]: Without dead ends: 434 [2018-07-23 19:39:02,079 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:39:02,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-23 19:39:02,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-23 19:39:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-23 19:39:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-07-23 19:39:02,171 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 13 [2018-07-23 19:39:02,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:39:02,172 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-07-23 19:39:02,172 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 19:39:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-07-23 19:39:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 19:39:02,177 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:39:02,178 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:39:02,178 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:39:02,178 INFO L82 PathProgramCache]: Analyzing trace with hash -2122031713, now seen corresponding path program 1 times [2018-07-23 19:39:02,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:39:02,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:39:02,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:39:02,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:39:02,181 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:39:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:39:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:39:02,572 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:39:02,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:39:02,572 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:39:02,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:39:02,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:39:02,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:39:02,575 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-07-23 19:39:04,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:39:04,915 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-07-23 19:39:04,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:39:04,918 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-07-23 19:39:04,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:39:04,924 INFO L225 Difference]: With dead ends: 1062 [2018-07-23 19:39:04,924 INFO L226 Difference]: Without dead ends: 634 [2018-07-23 19:39:04,928 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 19:39:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-07-23 19:39:04,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-07-23 19:39:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-07-23 19:39:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-07-23 19:39:04,977 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 100 [2018-07-23 19:39:04,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:39:04,978 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-07-23 19:39:04,978 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:39:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-07-23 19:39:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 19:39:04,985 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:39:04,987 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:39:04,987 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:39:04,988 INFO L82 PathProgramCache]: Analyzing trace with hash 101981808, now seen corresponding path program 1 times [2018-07-23 19:39:04,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:39:04,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:39:04,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:39:04,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:39:04,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:39:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:39:05,621 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-07-23 19:39:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:39:05,764 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:39:05,765 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:39:05,769 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-07-23 19:39:05,773 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [31], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [972], [973], [974], [975], [977], [978] [2018-07-23 19:39:05,849 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:39:05,849 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:39:10,103 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:39:10,105 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 19:39:10,128 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:39:12,154 INFO L232 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 77.18% of their original sizes. [2018-07-23 19:39:12,155 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:39:12,533 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:39:12,534 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:39:12,535 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 19:39:12,535 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:39:12,535 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 19:39:12,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 19:39:12,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:39:12,536 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 7 states. [2018-07-23 19:39:25,631 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:39:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:39:33,990 INFO L93 Difference]: Finished difference Result 1429 states and 2328 transitions. [2018-07-23 19:39:33,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:39:33,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-07-23 19:39:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:39:34,002 INFO L225 Difference]: With dead ends: 1429 [2018-07-23 19:39:34,002 INFO L226 Difference]: Without dead ends: 810 [2018-07-23 19:39:34,005 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:39:34,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-07-23 19:39:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 808. [2018-07-23 19:39:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-07-23 19:39:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1209 transitions. [2018-07-23 19:39:34,049 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1209 transitions. Word has length 109 [2018-07-23 19:39:34,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:39:34,049 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1209 transitions. [2018-07-23 19:39:34,050 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 19:39:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1209 transitions. [2018-07-23 19:39:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 19:39:34,066 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:39:34,066 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, 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] [2018-07-23 19:39:34,067 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:39:34,067 INFO L82 PathProgramCache]: Analyzing trace with hash 631722538, now seen corresponding path program 1 times [2018-07-23 19:39:34,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:39:34,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:39:34,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:39:34,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:39:34,069 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:39:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:39:34,725 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-07-23 19:39:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:39:34,914 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:39:34,914 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:39:34,914 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-07-23 19:39:34,915 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [31], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [972], [973], [974], [975], [977], [978] [2018-07-23 19:39:34,922 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:39:34,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:39:44,325 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:39:44,326 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:39:44,335 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:39:49,455 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 77.32% of their original sizes. [2018-07-23 19:39:49,456 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:39:50,122 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:39:50,123 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:39:50,123 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2018-07-23 19:39:50,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:39:50,124 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:39:50,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:39:50,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:39:50,124 INFO L87 Difference]: Start difference. First operand 808 states and 1209 transitions. Second operand 11 states. [2018-07-23 19:40:30,754 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:41:09,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:41:09,151 INFO L93 Difference]: Finished difference Result 1799 states and 2819 transitions. [2018-07-23 19:41:09,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 19:41:09,152 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2018-07-23 19:41:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:41:09,158 INFO L225 Difference]: With dead ends: 1799 [2018-07-23 19:41:09,159 INFO L226 Difference]: Without dead ends: 1180 [2018-07-23 19:41:09,162 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 19:41:09,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2018-07-23 19:41:09,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1177. [2018-07-23 19:41:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-07-23 19:41:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1596 transitions. [2018-07-23 19:41:09,201 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1596 transitions. Word has length 194 [2018-07-23 19:41:09,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:41:09,202 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1596 transitions. [2018-07-23 19:41:09,202 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 19:41:09,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1596 transitions. [2018-07-23 19:41:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 19:41:09,206 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:41:09,206 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:41:09,207 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:41:09,207 INFO L82 PathProgramCache]: Analyzing trace with hash -2124119298, now seen corresponding path program 1 times [2018-07-23 19:41:09,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:41:09,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:41:09,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:41:09,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:41:09,208 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:41:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:41:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:41:10,093 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:41:10,093 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:41:10,094 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-07-23 19:41:10,094 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [31], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [682], [972], [973], [974], [975], [977], [978] [2018-07-23 19:41:10,099 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:41:10,099 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:41:29,622 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:41:29,622 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:41:29,633 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:41:39,972 INFO L232 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 77.31% of their original sizes. [2018-07-23 19:41:39,973 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:41:40,512 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:41:40,512 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:41:40,512 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 24 [2018-07-23 19:41:40,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:41:40,513 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:41:40,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:41:40,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:41:40,514 INFO L87 Difference]: Start difference. First operand 1177 states and 1596 transitions. Second operand 11 states. [2018-07-23 19:42:10,522 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:42:22,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:42:22,721 INFO L93 Difference]: Finished difference Result 1984 states and 2908 transitions. [2018-07-23 19:42:22,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 19:42:22,721 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2018-07-23 19:42:22,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:42:22,728 INFO L225 Difference]: With dead ends: 1984 [2018-07-23 19:42:22,728 INFO L226 Difference]: Without dead ends: 1365 [2018-07-23 19:42:22,730 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 209 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-07-23 19:42:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2018-07-23 19:42:22,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1362. [2018-07-23 19:42:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2018-07-23 19:42:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1794 transitions. [2018-07-23 19:42:22,768 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1794 transitions. Word has length 220 [2018-07-23 19:42:22,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:42:22,768 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 1794 transitions. [2018-07-23 19:42:22,768 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 19:42:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1794 transitions. [2018-07-23 19:42:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-07-23 19:42:22,773 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:42:22,774 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-23 19:42:22,774 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:42:22,774 INFO L82 PathProgramCache]: Analyzing trace with hash 782195716, now seen corresponding path program 1 times [2018-07-23 19:42:22,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:42:22,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:42:22,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:42:22,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:42:22,776 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:42:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:42:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 106 proven. 95 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-07-23 19:42:23,344 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:42:23,344 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:42:23,344 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-07-23 19:42:23,350 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [31], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [622], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [682], [972], [973], [974], [975], [977], [978] [2018-07-23 19:42:23,358 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:42:23,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:42:39,893 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:42:39,893 INFO L272 AbstractInterpreter]: Visited 120 different actions 355 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-23 19:42:39,900 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:42:43,513 INFO L232 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 77.31% of their original sizes. [2018-07-23 19:42:43,513 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:42:44,168 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:42:44,169 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:42:44,169 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-07-23 19:42:44,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:42:44,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 19:42:44,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 19:42:44,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-07-23 19:42:44,170 INFO L87 Difference]: Start difference. First operand 1362 states and 1794 transitions. Second operand 14 states. Received shutdown request... [2018-07-23 19:42:51,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 19:42:51,266 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:42:51,272 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:42:51,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:42:51 BoogieIcfgContainer [2018-07-23 19:42:51,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:42:51,274 INFO L168 Benchmark]: Toolchain (without parser) took 237063.56 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 1.6 GB in the end (delta: -139.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-07-23 19:42:51,275 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 19:42:51,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.10 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 19:42:51,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:42:51,277 INFO L168 Benchmark]: Boogie Preprocessor took 304.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -865.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2018-07-23 19:42:51,278 INFO L168 Benchmark]: RCFGBuilder took 3944.13 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: 156.0 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. [2018-07-23 19:42:51,279 INFO L168 Benchmark]: TraceAbstraction took 231842.50 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 517.1 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-23 19:42:51,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.10 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 143.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 304.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -865.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3944.13 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: 156.0 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231842.50 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 517.1 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 22). Cancelled while BasicCegarLoop was constructing difference of abstraction (1362states) and interpolant automaton (currently 13 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (132 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 231.7s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 154.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 932 SDtfs, 3873 SDslu, 963 SDs, 0 SdLazy, 4681 SolverSat, 1007 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 104.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 862 GetRequests, 791 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1362occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 49.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9943783417757138 AbsIntWeakeningRatio, 0.1262135922330097 AbsIntAvgWeakeningVarsNumRemoved, 461.1771844660194 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 941 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 935 ConstructedInterpolants, 0 QuantifiedInterpolants, 1946125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 396/501 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label54_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-42-51-299.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label54_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-42-51-299.csv Completed graceful shutdown