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/Problem10_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 21:54:18,668 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 21:54:18,670 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 21:54:18,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 21:54:18,686 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 21:54:18,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 21:54:18,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 21:54:18,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 21:54:18,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 21:54:18,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 21:54:18,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 21:54:18,694 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 21:54:18,694 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 21:54:18,695 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 21:54:18,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 21:54:18,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 21:54:18,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 21:54:18,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 21:54:18,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 21:54:18,703 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 21:54:18,704 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 21:54:18,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 21:54:18,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 21:54:18,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 21:54:18,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 21:54:18,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 21:54:18,710 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 21:54:18,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 21:54:18,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 21:54:18,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 21:54:18,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 21:54:18,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 21:54:18,714 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 21:54:18,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 21:54:18,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 21:54:18,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 21:54:18,717 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 21:54:18,740 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 21:54:18,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 21:54:18,741 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 21:54:18,742 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 21:54:18,742 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 21:54:18,743 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 21:54:18,743 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 21:54:18,743 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 21:54:18,743 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 21:54:18,743 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 21:54:18,743 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 21:54:18,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 21:54:18,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 21:54:18,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 21:54:18,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 21:54:18,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 21:54:18,746 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 21:54:18,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 21:54:18,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 21:54:18,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 21:54:18,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 21:54:18,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 21:54:18,747 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 21:54:18,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 21:54:18,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 21:54:18,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 21:54:18,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 21:54:18,749 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 21:54:18,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 21:54:18,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 21:54:18,750 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 21:54:18,750 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 21:54:18,751 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 21:54:18,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 21:54:18,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 21:54:18,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 21:54:18,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 21:54:18,836 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 21:54:18,837 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-07-23 21:54:19,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cbee9493/8131c2bedc8246ccbe561840ea47afa9/FLAGf3ce2da0c [2018-07-23 21:54:19,475 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 21:54:19,476 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-07-23 21:54:19,494 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cbee9493/8131c2bedc8246ccbe561840ea47afa9/FLAGf3ce2da0c [2018-07-23 21:54:19,509 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cbee9493/8131c2bedc8246ccbe561840ea47afa9 [2018-07-23 21:54:19,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 21:54:19,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 21:54:19,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 21:54:19,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 21:54:19,545 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 21:54:19,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 09:54:19" (1/1) ... [2018-07-23 21:54:19,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570a6bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:19, skipping insertion in model container [2018-07-23 21:54:19,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 09:54:19" (1/1) ... [2018-07-23 21:54:19,743 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 21:54:20,030 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 21:54:20,049 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 21:54:20,193 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 21:54:20,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20 WrapperNode [2018-07-23 21:54:20,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 21:54:20,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 21:54:20,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 21:54:20,257 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 21:54:20,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 21:54:20,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 21:54:20,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 21:54:20,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 21:54:20,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (1/1) ... [2018-07-23 21:54:20,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 21:54:20,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 21:54:20,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 21:54:20,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 21:54:20,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (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 21:54:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 21:54:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 21:54:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 21:54:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 21:54:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 21:54:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 21:54:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 21:54:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 21:54:23,932 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 21:54:23,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 09:54:23 BoogieIcfgContainer [2018-07-23 21:54:23,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 21:54:23,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 21:54:23,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 21:54:23,939 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 21:54:23,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 09:54:19" (1/3) ... [2018-07-23 21:54:23,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f2f38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 09:54:23, skipping insertion in model container [2018-07-23 21:54:23,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 09:54:20" (2/3) ... [2018-07-23 21:54:23,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f2f38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 09:54:23, skipping insertion in model container [2018-07-23 21:54:23,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 09:54:23" (3/3) ... [2018-07-23 21:54:23,943 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label40_true-unreach-call.c [2018-07-23 21:54:23,952 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 21:54:23,965 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 21:54:24,024 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 21:54:24,025 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 21:54:24,025 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 21:54:24,025 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 21:54:24,025 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 21:54:24,026 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 21:54:24,026 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 21:54:24,026 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 21:54:24,026 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 21:54:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-07-23 21:54:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 21:54:24,061 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:54:24,062 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] [2018-07-23 21:54:24,062 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:54:24,068 INFO L82 PathProgramCache]: Analyzing trace with hash -114412468, now seen corresponding path program 1 times [2018-07-23 21:54:24,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:54:24,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:54:24,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:54:24,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:54:24,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:54:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:54:24,539 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 21:54:24,651 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 21:54:24,653 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 21:54:24,654 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 21:54:24,654 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 21:54:24,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 21:54:24,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 21:54:24,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 21:54:24,679 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-07-23 21:54:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 21:54:26,381 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-07-23 21:54:26,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 21:54:26,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-07-23 21:54:26,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 21:54:26,406 INFO L225 Difference]: With dead ends: 574 [2018-07-23 21:54:26,407 INFO L226 Difference]: Without dead ends: 356 [2018-07-23 21:54:26,414 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 21:54:26,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-07-23 21:54:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-07-23 21:54:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-07-23 21:54:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-07-23 21:54:26,491 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 56 [2018-07-23 21:54:26,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 21:54:26,492 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-07-23 21:54:26,492 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 21:54:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-07-23 21:54:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 21:54:26,502 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:54:26,502 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 21:54:26,502 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:54:26,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1891989940, now seen corresponding path program 1 times [2018-07-23 21:54:26,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:54:26,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:54:26,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:54:26,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:54:26,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:54:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:54:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 21:54:26,852 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 21:54:26,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 21:54:26,853 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 21:54:26,855 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 21:54:26,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 21:54:26,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 21:54:26,856 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 6 states. [2018-07-23 21:54:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 21:54:28,879 INFO L93 Difference]: Finished difference Result 867 states and 1507 transitions. [2018-07-23 21:54:28,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 21:54:28,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-07-23 21:54:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 21:54:28,885 INFO L225 Difference]: With dead ends: 867 [2018-07-23 21:54:28,886 INFO L226 Difference]: Without dead ends: 517 [2018-07-23 21:54:28,888 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 21:54:28,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-07-23 21:54:28,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 508. [2018-07-23 21:54:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2018-07-23 21:54:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 831 transitions. [2018-07-23 21:54:28,927 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 831 transitions. Word has length 130 [2018-07-23 21:54:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 21:54:28,927 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 831 transitions. [2018-07-23 21:54:28,927 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 21:54:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 831 transitions. [2018-07-23 21:54:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 21:54:28,932 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:54:28,933 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 21:54:28,933 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:54:28,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1956884576, now seen corresponding path program 1 times [2018-07-23 21:54:28,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:54:28,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:54:28,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:54:28,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:54:28,935 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:54:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:54:29,271 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 21:54:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 21:54:29,468 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 21:54:29,468 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 21:54:29,470 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-07-23 21:54:29,472 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-07-23 21:54:29,532 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 21:54:29,533 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 21:54:38,263 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 21:54:38,265 INFO L272 AbstractInterpreter]: Visited 87 different actions 167 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 21:54:38,283 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 21:54:41,520 INFO L232 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 74.07% of their original sizes. [2018-07-23 21:54:41,520 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 21:54:44,447 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 21:54:44,448 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 21:54:44,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-07-23 21:54:44,449 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 21:54:44,450 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 21:54:44,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 21:54:44,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 21:54:44,451 INFO L87 Difference]: Start difference. First operand 508 states and 831 transitions. Second operand 11 states. [2018-07-23 21:54:49,789 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 21:55:39,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 21:55:39,302 INFO L93 Difference]: Finished difference Result 1448 states and 2424 transitions. [2018-07-23 21:55:39,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 21:55:39,302 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2018-07-23 21:55:39,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 21:55:39,308 INFO L225 Difference]: With dead ends: 1448 [2018-07-23 21:55:39,308 INFO L226 Difference]: Without dead ends: 946 [2018-07-23 21:55:39,311 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 82 SyntacticMatches, 44 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 21:55:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2018-07-23 21:55:39,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 943. [2018-07-23 21:55:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2018-07-23 21:55:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1288 transitions. [2018-07-23 21:55:39,360 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1288 transitions. Word has length 136 [2018-07-23 21:55:39,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 21:55:39,361 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1288 transitions. [2018-07-23 21:55:39,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 21:55:39,361 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1288 transitions. [2018-07-23 21:55:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-23 21:55:39,367 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:55:39,368 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-23 21:55:39,368 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:55:39,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1194693551, now seen corresponding path program 1 times [2018-07-23 21:55:39,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:55:39,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:55:39,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:55:39,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:55:39,370 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:55:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:55:39,675 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 21:55:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-07-23 21:55:40,053 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 21:55:40,053 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 21:55:40,053 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-07-23 21:55:40,054 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-07-23 21:55:40,059 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 21:55:40,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 21:55:41,291 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 21:56:05,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 21:56:05,538 INFO L272 AbstractInterpreter]: Visited 88 different actions 510 times. Merged at 7 different actions 37 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-23 21:56:05,544 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 21:56:07,059 INFO L232 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 73.63% of their original sizes. [2018-07-23 21:56:07,059 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 21:56:08,320 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 21:56:08,320 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 21:56:08,320 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [8] total 21 [2018-07-23 21:56:08,321 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 21:56:08,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 21:56:08,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 21:56:08,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-07-23 21:56:08,322 INFO L87 Difference]: Start difference. First operand 943 states and 1288 transitions. Second operand 15 states. [2018-07-23 21:56:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 21:56:33,518 INFO L93 Difference]: Finished difference Result 2070 states and 3197 transitions. [2018-07-23 21:56:33,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 21:56:33,518 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 207 [2018-07-23 21:56:33,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 21:56:33,527 INFO L225 Difference]: With dead ends: 2070 [2018-07-23 21:56:33,527 INFO L226 Difference]: Without dead ends: 1568 [2018-07-23 21:56:33,530 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-07-23 21:56:33,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2018-07-23 21:56:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1551. [2018-07-23 21:56:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1551 states. [2018-07-23 21:56:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2074 transitions. [2018-07-23 21:56:33,599 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2074 transitions. Word has length 207 [2018-07-23 21:56:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 21:56:33,600 INFO L471 AbstractCegarLoop]: Abstraction has 1551 states and 2074 transitions. [2018-07-23 21:56:33,600 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 21:56:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2074 transitions. [2018-07-23 21:56:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 21:56:33,608 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:56:33,608 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-23 21:56:33,608 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:56:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1191040136, now seen corresponding path program 1 times [2018-07-23 21:56:33,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:56:33,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:56:33,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:56:33,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:56:33,610 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:56:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:56:33,879 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-07-23 21:56:34,059 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-07-23 21:56:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-23 21:56:34,092 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 21:56:34,093 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 21:56:34,093 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 21:56:34,094 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 21:56:34,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 21:56:34,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 21:56:34,095 INFO L87 Difference]: Start difference. First operand 1551 states and 2074 transitions. Second operand 4 states. [2018-07-23 21:56:35,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 21:56:35,935 INFO L93 Difference]: Finished difference Result 4383 states and 6508 transitions. [2018-07-23 21:56:35,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 21:56:35,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 240 [2018-07-23 21:56:35,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 21:56:35,962 INFO L225 Difference]: With dead ends: 4383 [2018-07-23 21:56:35,962 INFO L226 Difference]: Without dead ends: 3273 [2018-07-23 21:56:35,972 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 21:56:35,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2018-07-23 21:56:36,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 3057. [2018-07-23 21:56:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3057 states. [2018-07-23 21:56:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4308 transitions. [2018-07-23 21:56:36,124 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4308 transitions. Word has length 240 [2018-07-23 21:56:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 21:56:36,125 INFO L471 AbstractCegarLoop]: Abstraction has 3057 states and 4308 transitions. [2018-07-23 21:56:36,125 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 21:56:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4308 transitions. [2018-07-23 21:56:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 21:56:36,139 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:56:36,139 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-23 21:56:36,139 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:56:36,139 INFO L82 PathProgramCache]: Analyzing trace with hash -2056129080, now seen corresponding path program 1 times [2018-07-23 21:56:36,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:56:36,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:56:36,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:56:36,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:56:36,141 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:56:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:56:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 21:56:36,559 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 21:56:36,559 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 21:56:36,559 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-07-23 21:56:36,559 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-07-23 21:56:36,565 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 21:56:36,565 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 21:56:37,779 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 21:56:53,497 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 21:56:53,497 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 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 21:56:53,503 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 21:56:59,931 INFO L232 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 73.46% of their original sizes. [2018-07-23 21:56:59,931 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 21:57:02,415 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 21:57:02,416 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 21:57:02,417 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-07-23 21:57:02,417 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 21:57:02,418 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 21:57:02,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 21:57:02,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-23 21:57:02,419 INFO L87 Difference]: Start difference. First operand 3057 states and 4308 transitions. Second operand 13 states. [2018-07-23 21:57:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 21:57:31,081 INFO L93 Difference]: Finished difference Result 5822 states and 8346 transitions. [2018-07-23 21:57:31,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 21:57:31,081 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 264 [2018-07-23 21:57:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 21:57:31,098 INFO L225 Difference]: With dead ends: 5822 [2018-07-23 21:57:31,099 INFO L226 Difference]: Without dead ends: 3206 [2018-07-23 21:57:31,109 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 274 GetRequests, 208 SyntacticMatches, 44 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2018-07-23 21:57:31,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2018-07-23 21:57:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 3203. [2018-07-23 21:57:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3203 states. [2018-07-23 21:57:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4470 transitions. [2018-07-23 21:57:31,225 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4470 transitions. Word has length 264 [2018-07-23 21:57:31,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 21:57:31,225 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4470 transitions. [2018-07-23 21:57:31,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 21:57:31,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4470 transitions. [2018-07-23 21:57:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-07-23 21:57:31,239 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 21:57:31,239 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 21:57:31,240 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 21:57:31,240 INFO L82 PathProgramCache]: Analyzing trace with hash 55583531, now seen corresponding path program 1 times [2018-07-23 21:57:31,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 21:57:31,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:57:31,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 21:57:31,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 21:57:31,241 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 21:57:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 21:57:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 91 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 21:57:31,592 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 21:57:31,592 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 21:57:31,592 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-07-23 21:57:31,593 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [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], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-07-23 21:57:31,598 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 21:57:31,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 21:57:34,450 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 21:57:48,747 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 21:57:48,748 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 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 21:57:48,753 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-07-23 21:57:56,602 INFO L232 lantSequenceWeakener]: Weakened 307 states. On average, predicates are now at 73.35% of their original sizes. [2018-07-23 21:57:56,602 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 21:57:56,626 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 21:57:56,630 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 21:57:56,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 09:57:56 BoogieIcfgContainer [2018-07-23 21:57:56,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 21:57:56,631 INFO L168 Benchmark]: Toolchain (without parser) took 217096.72 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -115.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-07-23 21:57:56,632 INFO L168 Benchmark]: CDTParser took 1.38 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 21:57:56,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.17 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 21:57:56,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.75 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 21:57:56,634 INFO L168 Benchmark]: Boogie Preprocessor took 233.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 772.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2018-07-23 21:57:56,635 INFO L168 Benchmark]: RCFGBuilder took 3320.94 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: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2018-07-23 21:57:56,636 INFO L168 Benchmark]: TraceAbstraction took 212695.32 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 584.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-07-23 21:57:56,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 719.17 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 121.75 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 233.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 772.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3320.94 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: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212695.32 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 584.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 151]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 151). Cancelled while BasicCegarLoop was analyzing trace of length 310 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 212.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 114.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1070 SDtfs, 4851 SDslu, 1124 SDs, 0 SdLazy, 5243 SolverSat, 1057 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 654 GetRequests, 490 SyntacticMatches, 91 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3203occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 68.4s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9951075038138825 AbsIntWeakeningRatio, 0.1074561403508772 AbsIntAvgWeakeningVarsNumRemoved, 213.44298245614036 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 248 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 785359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 589/605 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/Problem10_label40_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_21-57-56-655.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label40_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_21-57-56-655.csv Completed graceful shutdown