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_label02_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:33:27,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:33:27,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:33:27,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:33:27,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:33:27,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:33:27,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:33:27,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:33:27,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:33:27,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:33:27,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:33:27,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:33:27,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:33:27,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:33:27,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:33:27,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:33:27,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:33:27,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:33:27,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:33:27,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:33:27,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:33:27,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:33:27,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:33:27,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:33:27,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:33:27,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:33:27,274 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:33:27,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:33:27,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:33:27,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:33:27,277 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:33:27,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 19:33:27,281 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 19:33:27,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:33:27,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:33:27,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:33:27,299 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:33:27,299 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:33:27,299 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:33:27,299 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:33:27,299 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:33:27,300 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:33:27,300 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:33:27,300 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:33:27,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:33:27,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:33:27,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:33:27,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:33:27,302 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:33:27,302 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:33:27,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:33:27,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:33:27,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:33:27,303 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:33:27,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:33:27,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:33:27,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:33:27,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:33:27,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:33:27,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:33:27,304 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:33:27,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:33:27,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:33:27,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:33:27,305 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:33:27,305 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:33:27,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:33:27,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:33:27,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:33:27,379 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:33:27,380 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:33:27,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label02_false-unreach-call_false-termination.c [2018-07-23 19:33:27,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08e6eb56/99af0c99a2ad4884aa6871ef0615a7a6/FLAG72f6c5caf [2018-07-23 19:33:28,063 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:33:28,063 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label02_false-unreach-call_false-termination.c [2018-07-23 19:33:28,088 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08e6eb56/99af0c99a2ad4884aa6871ef0615a7a6/FLAG72f6c5caf [2018-07-23 19:33:28,111 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08e6eb56/99af0c99a2ad4884aa6871ef0615a7a6 [2018-07-23 19:33:28,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:33:28,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:33:28,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:33:28,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:33:28,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:33:28,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:28,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38049efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28, skipping insertion in model container [2018-07-23 19:33:28,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:28,366 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:33:28,732 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:33:28,749 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:33:28,928 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:33:28,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28 WrapperNode [2018-07-23 19:33:28,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:33:28,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:33:28,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:33:28,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:33:28,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:33:29,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:33:29,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:33:29,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:33:29,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (1/1) ... [2018-07-23 19:33:29,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:33:29,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:33:29,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:33:29,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:33:29,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (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 19:33:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:33:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:33:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:33:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:33:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:33:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:33:29,547 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 19:33:29,547 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 19:33:33,495 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:33:33,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:33:33 BoogieIcfgContainer [2018-07-23 19:33:33,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:33:33,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:33:33,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:33:33,501 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:33:33,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:33:28" (1/3) ... [2018-07-23 19:33:33,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f07bf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:33:33, skipping insertion in model container [2018-07-23 19:33:33,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:33:28" (2/3) ... [2018-07-23 19:33:33,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f07bf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:33:33, skipping insertion in model container [2018-07-23 19:33:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:33:33" (3/3) ... [2018-07-23 19:33:33,505 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label02_false-unreach-call_false-termination.c [2018-07-23 19:33:33,515 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:33:33,524 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:33:33,577 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:33:33,578 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:33:33,578 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:33:33,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:33:33,579 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:33:33,579 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:33:33,579 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:33:33,579 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:33:33,580 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:33:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-23 19:33:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 19:33:33,622 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:33:33,629 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:33:33,630 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 19:33:33,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1136090604, now seen corresponding path program 1 times [2018-07-23 19:33:33,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:33:33,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:33,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:33:33,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:33,692 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:33:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:33:33,987 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:33:34,087 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 19:33:34,089 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:33:34,089 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 19:33:34,090 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:33:34,097 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 19:33:34,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 19:33:34,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:33:34,115 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-23 19:33:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:33:35,988 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-23 19:33:35,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 19:33:35,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-07-23 19:33:35,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:33:36,015 INFO L225 Difference]: With dead ends: 691 [2018-07-23 19:33:36,015 INFO L226 Difference]: Without dead ends: 434 [2018-07-23 19:33:36,023 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:33:36,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-23 19:33:36,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-23 19:33:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-23 19:33:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-07-23 19:33:36,118 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 16 [2018-07-23 19:33:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:33:36,119 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-07-23 19:33:36,119 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 19:33:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-07-23 19:33:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 19:33:36,126 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:33:36,127 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:33:36,127 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 19:33:36,128 INFO L82 PathProgramCache]: Analyzing trace with hash -510105200, now seen corresponding path program 1 times [2018-07-23 19:33:36,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:33:36,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:36,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:33:36,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:36,131 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:33:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:33:36,570 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:33:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:33:36,668 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:33:36,668 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:33:36,669 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:33:36,671 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:33:36,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:33:36,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:33:36,672 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-07-23 19:33:40,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:33:40,701 INFO L93 Difference]: Finished difference Result 1588 states and 2935 transitions. [2018-07-23 19:33:40,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:33:40,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2018-07-23 19:33:40,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:33:40,712 INFO L225 Difference]: With dead ends: 1588 [2018-07-23 19:33:40,712 INFO L226 Difference]: Without dead ends: 1160 [2018-07-23 19:33:40,717 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 19:33:40,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-07-23 19:33:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1153. [2018-07-23 19:33:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-07-23 19:33:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1887 transitions. [2018-07-23 19:33:40,785 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1887 transitions. Word has length 86 [2018-07-23 19:33:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:33:40,785 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1887 transitions. [2018-07-23 19:33:40,786 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:33:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1887 transitions. [2018-07-23 19:33:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 19:33:40,802 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:33:40,803 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:33:40,803 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 19:33:40,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1146886864, now seen corresponding path program 1 times [2018-07-23 19:33:40,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:33:40,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:40,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:33:40,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:40,806 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:33:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:33:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:33:41,504 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:33:41,504 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-23 19:33:41,504 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:33:41,505 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 19:33:41,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 19:33:41,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:33:41,506 INFO L87 Difference]: Start difference. First operand 1153 states and 1887 transitions. Second operand 7 states. [2018-07-23 19:33:51,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:33:51,093 INFO L93 Difference]: Finished difference Result 3842 states and 6750 transitions. [2018-07-23 19:33:51,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 19:33:51,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2018-07-23 19:33:51,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:33:51,119 INFO L225 Difference]: With dead ends: 3842 [2018-07-23 19:33:51,119 INFO L226 Difference]: Without dead ends: 2695 [2018-07-23 19:33:51,136 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-07-23 19:33:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2018-07-23 19:33:51,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2548. [2018-07-23 19:33:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2548 states. [2018-07-23 19:33:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3713 transitions. [2018-07-23 19:33:51,241 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3713 transitions. Word has length 182 [2018-07-23 19:33:51,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:33:51,242 INFO L471 AbstractCegarLoop]: Abstraction has 2548 states and 3713 transitions. [2018-07-23 19:33:51,243 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 19:33:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3713 transitions. [2018-07-23 19:33:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 19:33:51,251 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:33:51,251 INFO L353 BasicCegarLoop]: trace histogram [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, 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] [2018-07-23 19:33:51,252 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 19:33:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash 156118572, now seen corresponding path program 1 times [2018-07-23 19:33:51,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:33:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:51,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:33:51,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:33:51,254 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:33:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:33:52,250 WARN L169 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-07-23 19:33:52,696 WARN L169 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-07-23 19:33:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:33:53,393 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:33:53,393 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:33:53,394 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 257 with the following transitions: [2018-07-23 19:33:53,397 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [53], [55], [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], [534], [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], [879], [883], [887], [891], [895], [899], [902], [972], [973], [974], [975], [977], [978] [2018-07-23 19:33:53,497 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:33:53,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:34:03,938 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:34:03,939 INFO L272 AbstractInterpreter]: Visited 171 different actions 171 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 19:34:03,961 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:34:08,802 INFO L232 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 77.32% of their original sizes. [2018-07-23 19:34:08,802 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:34:09,436 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:34:09,438 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:34:09,438 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2018-07-23 19:34:09,438 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:34:09,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 19:34:09,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 19:34:09,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:34:09,440 INFO L87 Difference]: Start difference. First operand 2548 states and 3713 transitions. Second operand 8 states. [2018-07-23 19:34:24,145 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:34:41,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:34:41,849 INFO L93 Difference]: Finished difference Result 5275 states and 7651 transitions. [2018-07-23 19:34:41,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 19:34:41,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 256 [2018-07-23 19:34:41,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:34:41,862 INFO L225 Difference]: With dead ends: 5275 [2018-07-23 19:34:41,863 INFO L226 Difference]: Without dead ends: 2733 [2018-07-23 19:34:41,871 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-23 19:34:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2018-07-23 19:34:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2731. [2018-07-23 19:34:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2731 states. [2018-07-23 19:34:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 3904 transitions. [2018-07-23 19:34:41,950 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 3904 transitions. Word has length 256 [2018-07-23 19:34:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:34:41,951 INFO L471 AbstractCegarLoop]: Abstraction has 2731 states and 3904 transitions. [2018-07-23 19:34:41,951 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 19:34:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3904 transitions. [2018-07-23 19:34:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-07-23 19:34:41,962 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:34:41,962 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:41,962 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 19:34:41,963 INFO L82 PathProgramCache]: Analyzing trace with hash -82458829, now seen corresponding path program 1 times [2018-07-23 19:34:41,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:34:41,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:34:41,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:34:41,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:34:41,964 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:34:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:34:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 104 proven. 151 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 19:34:42,849 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:34:42,849 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:34:42,849 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 342 with the following transitions: [2018-07-23 19:34:42,850 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [53], [55], [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], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [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], [879], [883], [887], [891], [895], [899], [902], [972], [973], [974], [975], [977], [978] [2018-07-23 19:34:42,858 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:34:42,858 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:35:08,883 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:35:08,883 INFO L272 AbstractInterpreter]: Visited 175 different actions 343 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 19:35:08,892 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:35:19,368 INFO L232 lantSequenceWeakener]: Weakened 339 states. On average, predicates are now at 77.37% of their original sizes. [2018-07-23 19:35:19,369 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:35:20,317 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:35:20,317 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:35:20,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [13] total 23 [2018-07-23 19:35:20,318 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:35:20,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 19:35:20,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 19:35:20,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-07-23 19:35:20,321 INFO L87 Difference]: Start difference. First operand 2731 states and 3904 transitions. Second operand 12 states. [2018-07-23 19:36:03,961 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:36:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:36:23,439 INFO L93 Difference]: Finished difference Result 5645 states and 8085 transitions. [2018-07-23 19:36:23,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 19:36:23,439 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 341 [2018-07-23 19:36:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:36:23,457 INFO L225 Difference]: With dead ends: 5645 [2018-07-23 19:36:23,457 INFO L226 Difference]: Without dead ends: 3103 [2018-07-23 19:36:23,468 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 348 GetRequests, 326 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-07-23 19:36:23,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2018-07-23 19:36:23,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3100. [2018-07-23 19:36:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3100 states. [2018-07-23 19:36:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 3100 states and 4290 transitions. [2018-07-23 19:36:23,556 INFO L78 Accepts]: Start accepts. Automaton has 3100 states and 4290 transitions. Word has length 341 [2018-07-23 19:36:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:36:23,557 INFO L471 AbstractCegarLoop]: Abstraction has 3100 states and 4290 transitions. [2018-07-23 19:36:23,557 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 19:36:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 4290 transitions. [2018-07-23 19:36:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-07-23 19:36:23,568 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:36:23,569 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:36:23,569 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 19:36:23,569 INFO L82 PathProgramCache]: Analyzing trace with hash 286437023, now seen corresponding path program 1 times [2018-07-23 19:36:23,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:36:23,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:36:23,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:36:23,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:36:23,571 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:36:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:36:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 215 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:36:24,594 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:36:24,594 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:36:24,594 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 368 with the following transitions: [2018-07-23 19:36:24,595 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [53], [55], [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], [534], [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], [682], [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], [879], [883], [887], [891], [895], [899], [902], [972], [973], [974], [975], [977], [978] [2018-07-23 19:36:24,603 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:36:24,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:37:05,825 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:37:05,825 INFO L272 AbstractInterpreter]: Visited 175 different actions 344 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 19:37:05,836 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:37:26,254 INFO L232 lantSequenceWeakener]: Weakened 365 states. On average, predicates are now at 77.36% of their original sizes. [2018-07-23 19:37:26,255 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:37:27,135 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:37:27,136 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:37:27,136 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 25 [2018-07-23 19:37:27,136 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:37:27,137 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 19:37:27,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 19:37:27,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-23 19:37:27,138 INFO L87 Difference]: Start difference. First operand 3100 states and 4290 transitions. Second operand 13 states. Received shutdown request... [2018-07-23 19:37:28,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:37:28,121 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:37:28,126 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:37:28,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:37:28 BoogieIcfgContainer [2018-07-23 19:37:28,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:37:28,128 INFO L168 Benchmark]: Toolchain (without parser) took 240001.16 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-07-23 19:37:28,129 INFO L168 Benchmark]: CDTParser took 0.23 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 19:37:28,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.24 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 19:37:28,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.01 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 19:37:28,131 INFO L168 Benchmark]: Boogie Preprocessor took 335.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -879.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2018-07-23 19:37:28,132 INFO L168 Benchmark]: RCFGBuilder took 4027.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 7.1 GB. [2018-07-23 19:37:28,133 INFO L168 Benchmark]: TraceAbstraction took 234629.90 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -577.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-23 19:37:28,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 855.24 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 147.01 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 335.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -879.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4027.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 234629.90 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -577.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 31). Cancelled while BasicCegarLoop was constructing difference of abstraction (3100states) and interpolant automaton (currently 7 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (23 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 234.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 112.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 769 SDtfs, 3795 SDslu, 651 SDs, 0 SdLazy, 5239 SolverSat, 1191 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 77.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1007 GetRequests, 933 SyntacticMatches, 13 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3100occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 77.8s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9959639717082144 AbsIntWeakeningRatio, 0.09365244536940687 AbsIntAvgWeakeningVarsNumRemoved, 255.7908428720083 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 159 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1248 NumberOfCodeBlocks, 1248 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1242 ConstructedInterpolants, 0 QuantifiedInterpolants, 4499482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 432/656 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_label02_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-37-28-155.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label02_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-37-28-155.csv Completed graceful shutdown