java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 17:35:40,200 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 17:35:40,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 17:35:40,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 17:35:40,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 17:35:40,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 17:35:40,217 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 17:35:40,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 17:35:40,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 17:35:40,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 17:35:40,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 17:35:40,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 17:35:40,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 17:35:40,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 17:35:40,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 17:35:40,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 17:35:40,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 17:35:40,234 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 17:35:40,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 17:35:40,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 17:35:40,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 17:35:40,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 17:35:40,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 17:35:40,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 17:35:40,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 17:35:40,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 17:35:40,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 17:35:40,258 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 17:35:40,259 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 17:35:40,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 17:35:40,266 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 17:35:40,267 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 17:35:40,267 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 17:35:40,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 17:35:40,268 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 17:35:40,272 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 17:35:40,273 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 17:35:40,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 17:35:40,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 17:35:40,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 17:35:40,294 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 17:35:40,294 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 17:35:40,294 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 17:35:40,295 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 17:35:40,295 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 17:35:40,295 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 17:35:40,295 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 17:35:40,295 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 17:35:40,295 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 17:35:40,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 17:35:40,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 17:35:40,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 17:35:40,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 17:35:40,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 17:35:40,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 17:35:40,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 17:35:40,297 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 17:35:40,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 17:35:40,298 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 17:35:40,298 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 17:35:40,298 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 17:35:40,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 17:35:40,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 17:35:40,299 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 17:35:40,300 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 17:35:40,300 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 17:35:40,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 17:35:40,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 17:35:40,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 17:35:40,380 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 17:35:40,381 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 17:35:40,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-07-21 17:35:40,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4d979bb/9e616a5faa3d404681aecfc2479cdd1f/FLAG7a65abce3 [2018-07-21 17:35:41,036 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 17:35:41,036 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-07-21 17:35:41,079 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4d979bb/9e616a5faa3d404681aecfc2479cdd1f/FLAG7a65abce3 [2018-07-21 17:35:41,101 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4d979bb/9e616a5faa3d404681aecfc2479cdd1f [2018-07-21 17:35:41,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 17:35:41,119 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 17:35:41,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 17:35:41,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 17:35:41,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 17:35:41,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:41,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d284be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41, skipping insertion in model container [2018-07-21 17:35:41,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:41,340 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 17:35:41,639 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:35:41,657 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 17:35:41,873 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:35:41,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41 WrapperNode [2018-07-21 17:35:41,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 17:35:41,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 17:35:41,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 17:35:41,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 17:35:41,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:41,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 17:35:42,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 17:35:42,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 17:35:42,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 17:35:42,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... [2018-07-21 17:35:42,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 17:35:42,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 17:35:42,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 17:35:42,184 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 17:35:42,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 17:35:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 17:35:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 17:35:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:35:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:35:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 17:35:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 17:35:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 17:35:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 17:35:46,399 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 17:35:46,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:35:46 BoogieIcfgContainer [2018-07-21 17:35:46,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 17:35:46,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 17:35:46,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 17:35:46,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 17:35:46,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:35:41" (1/3) ... [2018-07-21 17:35:46,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ae17a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:35:46, skipping insertion in model container [2018-07-21 17:35:46,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:35:41" (2/3) ... [2018-07-21 17:35:46,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ae17a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:35:46, skipping insertion in model container [2018-07-21 17:35:46,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:35:46" (3/3) ... [2018-07-21 17:35:46,409 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-07-21 17:35:46,420 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 17:35:46,430 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 17:35:46,491 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 17:35:46,492 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 17:35:46,493 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 17:35:46,493 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 17:35:46,493 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 17:35:46,493 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 17:35:46,494 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 17:35:46,494 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 17:35:46,494 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 17:35:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-21 17:35:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-21 17:35:46,532 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:35:46,534 INFO L358 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] [2018-07-21 17:35:46,535 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:35:46,539 INFO L82 PathProgramCache]: Analyzing trace with hash -989245532, now seen corresponding path program 1 times [2018-07-21 17:35:46,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:35:46,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:46,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:35:46,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:46,592 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:35:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:35:47,000 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 17:35:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:35:47,048 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:35:47,049 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 17:35:47,049 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:35:47,054 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 17:35:47,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 17:35:47,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 17:35:47,072 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-21 17:35:48,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:35:48,322 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-21 17:35:48,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 17:35:48,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-07-21 17:35:48,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:35:48,346 INFO L225 Difference]: With dead ends: 691 [2018-07-21 17:35:48,346 INFO L226 Difference]: Without dead ends: 434 [2018-07-21 17:35:48,354 INFO L578 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 [2018-07-21 17:35:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-21 17:35:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-21 17:35:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-21 17:35:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-07-21 17:35:48,440 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 54 [2018-07-21 17:35:48,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:35:48,441 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-07-21 17:35:48,441 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 17:35:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-07-21 17:35:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-21 17:35:48,450 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:35:48,451 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-21 17:35:48,451 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:35:48,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1890989784, now seen corresponding path program 1 times [2018-07-21 17:35:48,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:35:48,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:48,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:35:48,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:48,453 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:35:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:35:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:35:48,728 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:35:48,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 17:35:48,729 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:35:48,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 17:35:48,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 17:35:48,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 17:35:48,732 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-07-21 17:35:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:35:52,260 INFO L93 Difference]: Finished difference Result 1588 states and 2935 transitions. [2018-07-21 17:35:52,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 17:35:52,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-07-21 17:35:52,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:35:52,279 INFO L225 Difference]: With dead ends: 1588 [2018-07-21 17:35:52,279 INFO L226 Difference]: Without dead ends: 1160 [2018-07-21 17:35:52,285 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 17:35:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-07-21 17:35:52,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1153. [2018-07-21 17:35:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-07-21 17:35:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1887 transitions. [2018-07-21 17:35:52,381 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1887 transitions. Word has length 124 [2018-07-21 17:35:52,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:35:52,381 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1887 transitions. [2018-07-21 17:35:52,382 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 17:35:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1887 transitions. [2018-07-21 17:35:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-21 17:35:52,396 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:35:52,397 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:35:52,397 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:35:52,398 INFO L82 PathProgramCache]: Analyzing trace with hash -383944088, now seen corresponding path program 1 times [2018-07-21 17:35:52,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:35:52,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:52,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:35:52,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:52,400 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:35:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:35:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:35:53,058 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:35:53,058 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-21 17:35:53,058 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:35:53,059 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 17:35:53,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 17:35:53,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-21 17:35:53,060 INFO L87 Difference]: Start difference. First operand 1153 states and 1887 transitions. Second operand 7 states. [2018-07-21 17:35:56,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:35:56,948 INFO L93 Difference]: Finished difference Result 3065 states and 5177 transitions. [2018-07-21 17:35:56,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 17:35:56,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2018-07-21 17:35:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:35:56,966 INFO L225 Difference]: With dead ends: 3065 [2018-07-21 17:35:56,966 INFO L226 Difference]: Without dead ends: 1918 [2018-07-21 17:35:56,978 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-07-21 17:35:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2018-07-21 17:35:57,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1824. [2018-07-21 17:35:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1824 states. [2018-07-21 17:35:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2833 transitions. [2018-07-21 17:35:57,090 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2833 transitions. Word has length 220 [2018-07-21 17:35:57,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:35:57,091 INFO L471 AbstractCegarLoop]: Abstraction has 1824 states and 2833 transitions. [2018-07-21 17:35:57,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 17:35:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2833 transitions. [2018-07-21 17:35:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-07-21 17:35:57,104 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:35:57,104 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:35:57,105 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:35:57,105 INFO L82 PathProgramCache]: Analyzing trace with hash 383269171, now seen corresponding path program 1 times [2018-07-21 17:35:57,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:35:57,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:57,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:35:57,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:35:57,111 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:35:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:35:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 94 proven. 66 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 17:35:57,441 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:35:57,441 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:35:57,442 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-07-21 17:35:57,444 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [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], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [878], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:35:57,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:35:57,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:36:09,705 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:36:09,707 INFO L272 AbstractInterpreter]: Visited 171 different actions 171 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 17:36:09,751 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:36:19,999 INFO L232 lantSequenceWeakener]: Weakened 283 states. On average, predicates are now at 77.92% of their original sizes. [2018-07-21 17:36:20,000 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:36:21,372 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:36:21,373 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:36:21,373 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2018-07-21 17:36:21,373 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:36:21,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-21 17:36:21,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-21 17:36:21,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-07-21 17:36:21,375 INFO L87 Difference]: Start difference. First operand 1824 states and 2833 transitions. Second operand 12 states. [2018-07-21 17:36:40,125 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:37:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:37:08,033 INFO L93 Difference]: Finished difference Result 3810 states and 5872 transitions. [2018-07-21 17:37:08,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 17:37:08,033 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 291 [2018-07-21 17:37:08,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:37:08,045 INFO L225 Difference]: With dead ends: 3810 [2018-07-21 17:37:08,046 INFO L226 Difference]: Without dead ends: 1992 [2018-07-21 17:37:08,052 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-07-21 17:37:08,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2018-07-21 17:37:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1992. [2018-07-21 17:37:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2018-07-21 17:37:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 3008 transitions. [2018-07-21 17:37:08,123 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 3008 transitions. Word has length 291 [2018-07-21 17:37:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:37:08,123 INFO L471 AbstractCegarLoop]: Abstraction has 1992 states and 3008 transitions. [2018-07-21 17:37:08,123 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-21 17:37:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 3008 transitions. [2018-07-21 17:37:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-07-21 17:37:08,133 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:37:08,134 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:37:08,134 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:37:08,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1970353417, now seen corresponding path program 1 times [2018-07-21 17:37:08,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:37:08,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:37:08,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:37:08,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:37:08,137 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:37:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:37:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:37:09,295 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:37:09,295 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:37:09,296 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-07-21 17:37:09,296 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [878], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:37:09,306 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:37:09,306 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:37:23,246 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:37:23,246 INFO L272 AbstractInterpreter]: Visited 174 different actions 344 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:37:23,254 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:37:27,420 INFO L232 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 77.91% of their original sizes. [2018-07-21 17:37:27,420 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:37:30,709 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:37:30,710 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:37:30,710 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [14] total 28 [2018-07-21 17:37:30,710 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:37:30,711 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-21 17:37:30,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-21 17:37:30,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-07-21 17:37:30,712 INFO L87 Difference]: Start difference. First operand 1992 states and 3008 transitions. Second operand 16 states. [2018-07-21 17:37:43,074 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:38:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:38:16,780 INFO L93 Difference]: Finished difference Result 4180 states and 6492 transitions. [2018-07-21 17:38:16,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 17:38:16,780 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 305 [2018-07-21 17:38:16,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:38:16,794 INFO L225 Difference]: With dead ends: 4180 [2018-07-21 17:38:16,794 INFO L226 Difference]: Without dead ends: 2362 [2018-07-21 17:38:16,802 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 243 SyntacticMatches, 47 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-07-21 17:38:16,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2018-07-21 17:38:16,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2361. [2018-07-21 17:38:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2361 states. [2018-07-21 17:38:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 3388 transitions. [2018-07-21 17:38:16,904 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 3388 transitions. Word has length 305 [2018-07-21 17:38:16,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:38:16,905 INFO L471 AbstractCegarLoop]: Abstraction has 2361 states and 3388 transitions. [2018-07-21 17:38:16,905 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-21 17:38:16,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 3388 transitions. [2018-07-21 17:38:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-21 17:38:16,918 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:38:16,918 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-07-21 17:38:16,918 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:38:16,919 INFO L82 PathProgramCache]: Analyzing trace with hash -382946344, now seen corresponding path program 1 times [2018-07-21 17:38:16,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:38:16,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:38:16,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:38:16,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:38:16,920 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:38:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:38:17,342 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-07-21 17:38:17,534 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-07-21 17:38:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 215 proven. 110 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-21 17:38:17,978 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:38:17,978 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:38:17,978 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 403 with the following transitions: [2018-07-21 17:38:17,980 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [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], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [878], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:38:17,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:38:17,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:38:34,049 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:38:34,049 INFO L272 AbstractInterpreter]: Visited 175 different actions 346 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:38:34,057 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:38:39,214 INFO L232 lantSequenceWeakener]: Weakened 400 states. On average, predicates are now at 77.79% of their original sizes. [2018-07-21 17:38:39,215 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:38:42,338 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:38:42,338 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:38:42,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [7] total 19 [2018-07-21 17:38:42,340 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:38:42,340 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-21 17:38:42,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-21 17:38:42,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-07-21 17:38:42,341 INFO L87 Difference]: Start difference. First operand 2361 states and 3388 transitions. Second operand 14 states. [2018-07-21 17:38:53,683 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 17:39:15,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-21 17:39:15,882 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 17:39:15,887 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 17:39:15,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:39:15 BoogieIcfgContainer [2018-07-21 17:39:15,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 17:39:15,888 INFO L168 Benchmark]: Toolchain (without parser) took 214774.52 ms. Allocated memory was 305.1 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 249.8 MB in the beginning and 838.9 MB in the end (delta: -589.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-07-21 17:39:15,889 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 305.1 MB. Free memory is still 269.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 17:39:15,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.35 ms. Allocated memory is still 305.1 MB. Free memory was 247.8 MB in the beginning and 204.9 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. [2018-07-21 17:39:15,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.87 ms. Allocated memory is still 305.1 MB. Free memory was 204.9 MB in the beginning and 195.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:39:15,890 INFO L168 Benchmark]: Boogie Preprocessor took 113.53 ms. Allocated memory is still 305.1 MB. Free memory was 195.0 MB in the beginning and 187.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 5.3 GB. [2018-07-21 17:39:15,891 INFO L168 Benchmark]: RCFGBuilder took 4216.22 ms. Allocated memory was 305.1 MB in the beginning and 503.8 MB in the end (delta: 198.7 MB). Free memory was 187.5 MB in the beginning and 462.3 MB in the end (delta: -274.8 MB). Peak memory consumption was 65.2 MB. Max. memory is 5.3 GB. [2018-07-21 17:39:15,891 INFO L168 Benchmark]: TraceAbstraction took 209486.43 ms. Allocated memory was 503.8 MB in the beginning and 2.4 GB in the end (delta: 1.9 GB). Free memory was 462.3 MB in the beginning and 838.9 MB in the end (delta: -376.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-07-21 17:39:15,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 305.1 MB. Free memory is still 269.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 818.35 ms. Allocated memory is still 305.1 MB. Free memory was 247.8 MB in the beginning and 204.9 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 128.87 ms. Allocated memory is still 305.1 MB. Free memory was 204.9 MB in the beginning and 195.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 113.53 ms. Allocated memory is still 305.1 MB. Free memory was 195.0 MB in the beginning and 187.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4216.22 ms. Allocated memory was 305.1 MB in the beginning and 503.8 MB in the end (delta: 198.7 MB). Free memory was 187.5 MB in the beginning and 462.3 MB in the end (delta: -274.8 MB). Peak memory consumption was 65.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 209486.43 ms. Allocated memory was 503.8 MB in the beginning and 2.4 GB in the end (delta: 1.9 GB). Free memory was 462.3 MB in the beginning and 838.9 MB in the end (delta: -376.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 145). Cancelled while BasicCegarLoop was constructing difference of abstraction (2361states) and interpolant automaton (currently 17 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (3025 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 209.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 135.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 998 SDtfs, 5216 SDslu, 1534 SDs, 0 SdLazy, 9411 SolverSat, 1247 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 80.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1053 GetRequests, 886 SyntacticMatches, 84 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2361occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 42.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9963586046172892 AbsIntWeakeningRatio, 0.08442211055276382 AbsIntAvgWeakeningVarsNumRemoved, 54.89748743718593 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1396 NumberOfCodeBlocks, 1396 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1390 ConstructedInterpolants, 0 QuantifiedInterpolants, 3559256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 654/832 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label07_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_17-39-15-910.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label07_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_17-39-15-910.csv Completed graceful shutdown