java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label47_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 02:38:12,752 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 02:38:12,754 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 02:38:12,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 02:38:12,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 02:38:12,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 02:38:12,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 02:38:12,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 02:38:12,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 02:38:12,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 02:38:12,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 02:38:12,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 02:38:12,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 02:38:12,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 02:38:12,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 02:38:12,796 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 02:38:12,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 02:38:12,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 02:38:12,802 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 02:38:12,803 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 02:38:12,804 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 02:38:12,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 02:38:12,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 02:38:12,823 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 02:38:12,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 02:38:12,824 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 02:38:12,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 02:38:12,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 02:38:12,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 02:38:12,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 02:38:12,856 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 02:38:12,856 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 02:38:12,856 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 02:38:12,856 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 02:38:12,857 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 02:38:12,857 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 02:38:12,857 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 02:38:12,857 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 02:38:12,857 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 02:38:12,857 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 02:38:12,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 02:38:12,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 02:38:12,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 02:38:12,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 02:38:12,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 02:38:12,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 02:38:12,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 02:38:12,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 02:38:12,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 02:38:12,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 02:38:12,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 02:38:12,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 02:38:12,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 02:38:12,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 02:38:12,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 02:38:12,865 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 02:38:12,865 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 02:38:12,865 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 02:38:12,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 02:38:12,866 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 02:38:12,866 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 02:38:12,866 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 02:38:12,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 02:38:12,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 02:38:12,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 02:38:12,951 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 02:38:12,953 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 02:38:12,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-10-27 02:38:13,011 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c1a1a8939/2b37e817470948b49a66fcc181a92144/FLAG36d304156 [2018-10-27 02:38:13,612 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 02:38:13,613 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-10-27 02:38:13,631 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c1a1a8939/2b37e817470948b49a66fcc181a92144/FLAG36d304156 [2018-10-27 02:38:13,653 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c1a1a8939/2b37e817470948b49a66fcc181a92144 [2018-10-27 02:38:13,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 02:38:13,668 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 02:38:13,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 02:38:13,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 02:38:13,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 02:38:13,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:38:13" (1/1) ... [2018-10-27 02:38:13,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135b0cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:13, skipping insertion in model container [2018-10-27 02:38:13,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:38:13" (1/1) ... [2018-10-27 02:38:13,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 02:38:13,771 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 02:38:14,322 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:38:14,329 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 02:38:14,507 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:38:14,525 INFO L193 MainTranslator]: Completed translation [2018-10-27 02:38:14,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14 WrapperNode [2018-10-27 02:38:14,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 02:38:14,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 02:38:14,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 02:38:14,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 02:38:14,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 02:38:14,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 02:38:14,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 02:38:14,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 02:38:14,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... [2018-10-27 02:38:14,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 02:38:14,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 02:38:14,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 02:38:14,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 02:38:14,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 02:38:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 02:38:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 02:38:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 02:38:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 02:38:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 02:38:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 02:38:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 02:38:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 02:38:19,752 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 02:38:19,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:38:19 BoogieIcfgContainer [2018-10-27 02:38:19,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 02:38:19,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 02:38:19,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 02:38:19,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 02:38:19,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:38:13" (1/3) ... [2018-10-27 02:38:19,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eddf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:38:19, skipping insertion in model container [2018-10-27 02:38:19,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:38:14" (2/3) ... [2018-10-27 02:38:19,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eddf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:38:19, skipping insertion in model container [2018-10-27 02:38:19,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:38:19" (3/3) ... [2018-10-27 02:38:19,762 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label47_true-unreach-call.c [2018-10-27 02:38:19,771 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 02:38:19,779 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 02:38:19,798 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 02:38:19,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 02:38:19,840 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 02:38:19,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 02:38:19,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 02:38:19,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 02:38:19,841 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 02:38:19,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 02:38:19,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 02:38:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-27 02:38:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 02:38:19,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:38:19,885 INFO L375 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] [2018-10-27 02:38:19,887 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:38:19,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:38:19,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1591725132, now seen corresponding path program 1 times [2018-10-27 02:38:19,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:38:19,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:19,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:38:19,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:19,951 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:38:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:38:20,426 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 02:38:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:38:20,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:38:20,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 02:38:20,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:38:20,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 02:38:20,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 02:38:20,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:38:20,533 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-27 02:38:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:38:22,725 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-10-27 02:38:22,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 02:38:22,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-10-27 02:38:22,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:38:22,757 INFO L225 Difference]: With dead ends: 790 [2018-10-27 02:38:22,758 INFO L226 Difference]: Without dead ends: 495 [2018-10-27 02:38:22,774 INFO L605 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 [2018-10-27 02:38:22,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-10-27 02:38:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-10-27 02:38:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-10-27 02:38:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-10-27 02:38:22,918 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 42 [2018-10-27 02:38:22,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:38:22,919 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-10-27 02:38:22,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 02:38:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-10-27 02:38:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-27 02:38:22,932 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:38:22,933 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:38:22,933 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:38:22,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:38:22,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1369215340, now seen corresponding path program 1 times [2018-10-27 02:38:22,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:38:22,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:22,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:38:22,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:22,940 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:38:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:38:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:38:23,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:38:23,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 02:38:23,279 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:38:23,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 02:38:23,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 02:38:23,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 02:38:23,282 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-10-27 02:38:27,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:38:27,911 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-10-27 02:38:27,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 02:38:27,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-10-27 02:38:27,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:38:27,928 INFO L225 Difference]: With dead ends: 1731 [2018-10-27 02:38:27,928 INFO L226 Difference]: Without dead ends: 1249 [2018-10-27 02:38:27,933 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 02:38:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-10-27 02:38:28,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-10-27 02:38:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-10-27 02:38:28,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-10-27 02:38:28,011 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 118 [2018-10-27 02:38:28,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:38:28,012 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-10-27 02:38:28,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 02:38:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-10-27 02:38:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 02:38:28,021 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:38:28,021 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:38:28,022 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:38:28,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:38:28,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1411728153, now seen corresponding path program 1 times [2018-10-27 02:38:28,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:38:28,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:28,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:38:28,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:28,024 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:38:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:38:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:38:28,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:38:28,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 02:38:28,247 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:38:28,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 02:38:28,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 02:38:28,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 02:38:28,248 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-10-27 02:38:32,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:38:32,456 INFO L93 Difference]: Finished difference Result 3666 states and 6091 transitions. [2018-10-27 02:38:32,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 02:38:32,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-10-27 02:38:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:38:32,478 INFO L225 Difference]: With dead ends: 3666 [2018-10-27 02:38:32,478 INFO L226 Difference]: Without dead ends: 2640 [2018-10-27 02:38:32,487 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 02:38:32,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-10-27 02:38:32,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2605. [2018-10-27 02:38:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-10-27 02:38:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3731 transitions. [2018-10-27 02:38:32,576 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3731 transitions. Word has length 129 [2018-10-27 02:38:32,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:38:32,577 INFO L481 AbstractCegarLoop]: Abstraction has 2605 states and 3731 transitions. [2018-10-27 02:38:32,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 02:38:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3731 transitions. [2018-10-27 02:38:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 02:38:32,582 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:38:32,582 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:38:32,582 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:38:32,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:38:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash 713476527, now seen corresponding path program 1 times [2018-10-27 02:38:32,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:38:32,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:32,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:38:32,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:38:32,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:38:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:38:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:38:33,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:38:33,198 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 02:38:33,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-10-27 02:38:33,201 INFO L202 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], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 02:38:33,274 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 02:38:33,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 02:38:37,339 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 02:38:54,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 02:38:54,130 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-27 02:38:54,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:38:54,142 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 02:38:57,176 INFO L227 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 78.57% of their original sizes. [2018-10-27 02:38:57,176 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 02:39:57,812 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-10-27 02:39:57,812 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 02:39:57,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 02:39:57,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2018-10-27 02:39:57,813 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:39:57,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-27 02:39:57,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-27 02:39:57,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-27 02:39:57,815 INFO L87 Difference]: Start difference. First operand 2605 states and 3731 transitions. Second operand 17 states. Received shutdown request... [2018-10-27 02:42:29,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 02:42:29,135 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 02:42:29,140 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 02:42:29,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:42:29 BoogieIcfgContainer [2018-10-27 02:42:29,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 02:42:29,141 INFO L168 Benchmark]: Toolchain (without parser) took 255475.50 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.8 MB). Peak memory consumption was 749.2 MB. Max. memory is 7.1 GB. [2018-10-27 02:42:29,142 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-27 02:42:29,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-27 02:42:29,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -837.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2018-10-27 02:42:29,145 INFO L168 Benchmark]: Boogie Preprocessor took 123.92 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 02:42:29,146 INFO L168 Benchmark]: RCFGBuilder took 4822.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 173.2 MB). Peak memory consumption was 173.2 MB. Max. memory is 7.1 GB. [2018-10-27 02:42:29,146 INFO L168 Benchmark]: TraceAbstraction took 249385.91 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 841.0 MB). Free memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: -234.8 MB). Peak memory consumption was 606.2 MB. Max. memory is 7.1 GB. [2018-10-27 02:42:29,152 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 857.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 279.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -837.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.92 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4822.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 173.2 MB). Peak memory consumption was 173.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249385.91 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 841.0 MB). Free memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: -234.8 MB). Peak memory consumption was 606.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 111). Cancelled while BasicCegarLoop was constructing difference of abstraction (2605states) and FLOYD_HOARE automaton (currently 17 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (1047 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 249.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 162.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 418 SDtfs, 2995 SDslu, 468 SDs, 0 SdLazy, 5380 SolverSat, 1004 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 204 GetRequests, 116 SyntacticMatches, 52 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 66.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2605occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 20.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.994800746245833 AbsIntWeakeningRatio, 0.1329479768786127 AbsIntAvgWeakeningVarsNumRemoved, 1045.329479768786 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 259 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 280141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 99/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown