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/Problem01_label59_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:24:29,765 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:24:29,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:24:29,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:24:29,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:24:29,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:24:29,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:24:29,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:24:29,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:24:29,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:24:29,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:24:29,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:24:29,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:24:29,793 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:24:29,794 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:24:29,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:24:29,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:24:29,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:24:29,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:24:29,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:24:29,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:24:29,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:24:29,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:24:29,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:24:29,807 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:24:29,808 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:24:29,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:24:29,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:24:29,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:24:29,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:24:29,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:24:29,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:24:29,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:24:29,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:24:29,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:24:29,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:24:29,816 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 20:24:29,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:24:29,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:24:29,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:24:29,842 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:24:29,842 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:24:29,842 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:24:29,842 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:24:29,842 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:24:29,843 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:24:29,843 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:24:29,843 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:24:29,844 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:24:29,844 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:24:29,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:24:29,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:24:29,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:24:29,845 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:24:29,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:24:29,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:24:29,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:24:29,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:24:29,846 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:24:29,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:24:29,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:24:29,846 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:24:29,846 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:24:29,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:24:29,847 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:24:29,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:24:29,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:24:29,847 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:24:29,848 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:24:29,848 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:24:29,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:24:29,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:24:29,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:24:29,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:24:29,915 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:24:29,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-07-23 20:24:30,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ffd6f22a/b60779ecb3294395b29172da0dcf18fb/FLAG63d101f6d [2018-07-23 20:24:30,589 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:24:30,590 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-07-23 20:24:30,613 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ffd6f22a/b60779ecb3294395b29172da0dcf18fb/FLAG63d101f6d [2018-07-23 20:24:30,629 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ffd6f22a/b60779ecb3294395b29172da0dcf18fb [2018-07-23 20:24:30,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:24:30,641 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:24:30,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:24:30,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:24:30,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:24:30,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:24:30" (1/1) ... [2018-07-23 20:24:30,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a84b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:30, skipping insertion in model container [2018-07-23 20:24:30,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:24:30" (1/1) ... [2018-07-23 20:24:30,899 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:24:31,189 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:24:31,207 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:24:31,363 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:24:31,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31 WrapperNode [2018-07-23 20:24:31,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:24:31,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:24:31,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:24:31,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:24:31,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:24:31,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:24:31,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:24:31,500 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:24:31,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... [2018-07-23 20:24:31,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:24:31,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:24:31,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:24:31,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:24:31,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:24:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 20:24:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 20:24:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:24:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:24:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:24:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:24:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:24:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:24:35,486 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:24:35,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:24:35 BoogieIcfgContainer [2018-07-23 20:24:35,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:24:35,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:24:35,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:24:35,496 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:24:35,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:24:30" (1/3) ... [2018-07-23 20:24:35,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19acf15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:24:35, skipping insertion in model container [2018-07-23 20:24:35,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:24:31" (2/3) ... [2018-07-23 20:24:35,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19acf15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:24:35, skipping insertion in model container [2018-07-23 20:24:35,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:24:35" (3/3) ... [2018-07-23 20:24:35,501 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label59_true-unreach-call_false-termination.c [2018-07-23 20:24:35,517 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:24:35,532 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:24:35,621 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:24:35,622 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:24:35,622 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:24:35,622 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:24:35,622 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:24:35,623 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:24:35,623 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:24:35,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:24:35,623 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:24:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 20:24:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 20:24:35,695 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:24:35,697 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:24:35,698 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:24:35,706 INFO L82 PathProgramCache]: Analyzing trace with hash -459539128, now seen corresponding path program 1 times [2018-07-23 20:24:35,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:24:35,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:24:35,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:24:35,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:24:35,769 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:24:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:24:36,434 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:24:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:24:36,524 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:24:36,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:24:36,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:24:36,532 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:24:36,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:24:36,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:24:36,553 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-23 20:24:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:24:38,432 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 20:24:38,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:24:38,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-07-23 20:24:38,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:24:38,464 INFO L225 Difference]: With dead ends: 550 [2018-07-23 20:24:38,464 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 20:24:38,471 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:24:38,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 20:24:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 20:24:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 20:24:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-07-23 20:24:38,590 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 96 [2018-07-23 20:24:38,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:24:38,592 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-07-23 20:24:38,592 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:24:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-07-23 20:24:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 20:24:38,600 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:24:38,600 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:24:38,600 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:24:38,601 INFO L82 PathProgramCache]: Analyzing trace with hash 513435557, now seen corresponding path program 1 times [2018-07-23 20:24:38,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:24:38,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:24:38,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:24:38,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:24:38,603 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:24:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:24:38,909 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:24:39,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:24:39,021 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:24:39,022 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:24:39,022 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:24:39,024 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:24:39,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:24:39,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:24:39,025 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-07-23 20:24:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:24:41,309 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-07-23 20:24:41,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:24:41,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-07-23 20:24:41,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:24:41,317 INFO L225 Difference]: With dead ends: 888 [2018-07-23 20:24:41,318 INFO L226 Difference]: Without dead ends: 554 [2018-07-23 20:24:41,323 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:24:41,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-07-23 20:24:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-07-23 20:24:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-07-23 20:24:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-07-23 20:24:41,368 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 107 [2018-07-23 20:24:41,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:24:41,368 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-07-23 20:24:41,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:24:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-07-23 20:24:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 20:24:41,373 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:24:41,373 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] [2018-07-23 20:24:41,373 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:24:41,374 INFO L82 PathProgramCache]: Analyzing trace with hash -154854213, now seen corresponding path program 1 times [2018-07-23 20:24:41,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:24:41,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:24:41,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:24:41,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:24:41,376 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:24:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:24:41,677 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:24:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:24:41,904 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:24:41,904 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:24:41,906 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-07-23 20:24:41,908 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [403], [405], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:24:41,984 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:24:41,985 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:26:34,472 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:26:34,475 INFO L272 AbstractInterpreter]: Visited 99 different actions 163 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 20:26:34,487 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:26:44,143 INFO L232 lantSequenceWeakener]: Weakened 106 states. On average, predicates are now at 80.25% of their original sizes. [2018-07-23 20:26:44,144 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:26:47,313 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:26:47,315 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:26:47,315 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-07-23 20:26:47,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:26:47,316 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 20:26:47,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 20:26:47,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-07-23 20:26:47,317 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 17 states. [2018-07-23 20:27:25,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:27:25,762 INFO L93 Difference]: Finished difference Result 1319 states and 2072 transitions. [2018-07-23 20:27:25,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 20:27:25,763 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 108 [2018-07-23 20:27:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:27:25,768 INFO L225 Difference]: With dead ends: 1319 [2018-07-23 20:27:25,768 INFO L226 Difference]: Without dead ends: 597 [2018-07-23 20:27:25,771 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 123 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 20:27:25,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2018-07-23 20:27:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2018-07-23 20:27:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2018-07-23 20:27:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 853 transitions. [2018-07-23 20:27:25,810 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 853 transitions. Word has length 108 [2018-07-23 20:27:25,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:27:25,810 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 853 transitions. [2018-07-23 20:27:25,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 20:27:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 853 transitions. [2018-07-23 20:27:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 20:27:25,814 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:27:25,814 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-07-23 20:27:25,815 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:27:25,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1720042144, now seen corresponding path program 1 times [2018-07-23 20:27:25,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:27:25,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:25,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:27:25,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:27:25,817 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:27:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:27:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:27:26,067 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:27:26,068 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:27:26,068 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-07-23 20:27:26,068 INFO L201 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [19], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [403], [405], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:27:26,075 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:27:26,075 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 20:28:55,206 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 20:28:55,208 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 20:28:55,209 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 20:28:55,209 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:28:55,209 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:28:55,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:28:55,226 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 20:28:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:28:55,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 20:28:55,378 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 20:28:55,580 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:28:55,580 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:28:55,586 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:28:55,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:28:55 BoogieIcfgContainer [2018-07-23 20:28:55,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:28:55,588 INFO L168 Benchmark]: Toolchain (without parser) took 264947.65 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2018-07-23 20:28:55,589 INFO L168 Benchmark]: CDTParser took 0.24 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 20:28:55,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:28:55,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.93 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 20:28:55,592 INFO L168 Benchmark]: Boogie Preprocessor took 243.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 770.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -864.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:28:55,593 INFO L168 Benchmark]: RCFGBuilder took 3746.68 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 7.1 GB. [2018-07-23 20:28:55,595 INFO L168 Benchmark]: TraceAbstraction took 260095.83 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -971.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2018-07-23 20:28:55,603 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 758.13 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 97.93 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 243.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 770.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -864.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3746.68 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260095.83 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -971.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 443]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 443). Cancelled while BasicCegarLoop was analyzing trace of length 119 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 259.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 42.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 469 SDtfs, 1489 SDslu, 473 SDs, 0 SdLazy, 2398 SolverSat, 524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 138 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=597occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 201.7s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9930802045003094 AbsIntWeakeningRatio, 0.27102803738317754 AbsIntAvgWeakeningVarsNumRemoved, 136.14018691588785 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 98508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 11/17 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/Problem01_label59_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-28-55-621.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label59_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-28-55-621.csv Completed graceful shutdown