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/Problem15_label07_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:59:53,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:59:53,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:59:53,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:59:53,813 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:59:53,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:59:53,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:59:53,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:59:53,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:59:53,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:59:53,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:59:53,823 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:59:53,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:59:53,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:59:53,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:59:53,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:59:53,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:59:53,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:59:53,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:59:53,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:59:53,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:59:53,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:59:53,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:59:53,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:59:53,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:59:53,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:59:53,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:59:53,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:59:53,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:59:53,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:59:53,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:59:53,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 23:59:53,847 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 [2018-10-26 23:59:53,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:59:53,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:59:53,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:59:53,869 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:59:53,869 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:59:53,869 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:59:53,869 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:59:53,870 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:59:53,870 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 23:59:53,870 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:59:53,870 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:59:53,870 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:59:53,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:59:53,871 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:59:53,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:59:53,872 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:59:53,872 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:59:53,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:59:53,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:59:53,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:59:53,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:59:53,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:59:53,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:59:53,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:59:53,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:59:53,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:59:53,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:59:53,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:59:53,874 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:59:53,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:59:53,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:59:53,875 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:59:53,875 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 23:59:53,875 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-26 23:59:53,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:59:53,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:59:53,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:59:53,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:59:53,944 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:59:53,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label07_false-unreach-call.c [2018-10-26 23:59:54,002 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6597a6a9/6ef32275e7b14acc81e9104e2572cb10/FLAG621d981cb [2018-10-26 23:59:54,693 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:59:54,694 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label07_false-unreach-call.c [2018-10-26 23:59:54,716 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6597a6a9/6ef32275e7b14acc81e9104e2572cb10/FLAG621d981cb [2018-10-26 23:59:54,737 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6597a6a9/6ef32275e7b14acc81e9104e2572cb10 [2018-10-26 23:59:54,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:59:54,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:59:54,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:59:54,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:59:54,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:59:54,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:59:54" (1/1) ... [2018-10-26 23:59:54,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4621111d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:54, skipping insertion in model container [2018-10-26 23:59:54,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:59:54" (1/1) ... [2018-10-26 23:59:54,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:59:54,861 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:59:55,668 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:59:55,673 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:59:55,980 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:59:56,004 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:59:56,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56 WrapperNode [2018-10-26 23:59:56,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:59:56,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:59:56,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:59:56,007 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:59:56,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:59:56,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:59:56,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:59:56,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:59:56,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (1/1) ... [2018-10-26 23:59:56,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:59:56,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:59:56,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:59:56,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:59:56,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (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 [2018-10-26 23:59:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:59:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:59:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-26 23:59:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-26 23:59:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 23:59:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 23:59:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:59:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:59:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:59:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:00:02,875 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:00:02,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:00:02 BoogieIcfgContainer [2018-10-27 00:00:02,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:00:02,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:00:02,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:00:02,886 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:00:02,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:59:54" (1/3) ... [2018-10-27 00:00:02,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e21f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:00:02, skipping insertion in model container [2018-10-27 00:00:02,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:56" (2/3) ... [2018-10-27 00:00:02,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e21f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:00:02, skipping insertion in model container [2018-10-27 00:00:02,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:00:02" (3/3) ... [2018-10-27 00:00:02,890 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label07_false-unreach-call.c [2018-10-27 00:00:02,898 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:00:02,907 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:00:02,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:00:02,966 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:00:02,966 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:00:02,967 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:00:02,967 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:00:02,967 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:00:02,967 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:00:02,967 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:00:02,967 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:00:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-27 00:00:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 00:00:03,007 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:00:03,008 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:00:03,010 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:00:03,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:00:03,018 INFO L82 PathProgramCache]: Analyzing trace with hash 117084481, now seen corresponding path program 1 times [2018-10-27 00:00:03,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:00:03,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:03,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:00:03,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:03,076 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:00:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:03,448 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-27 00:00:03,459 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 00:00:03,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:00:03,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:00:03,465 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:00:03,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:00:03,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:00:03,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:00:03,491 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-27 00:00:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:00:11,566 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-27 00:00:11,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:00:11,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-27 00:00:11,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:00:11,597 INFO L225 Difference]: With dead ends: 1558 [2018-10-27 00:00:11,597 INFO L226 Difference]: Without dead ends: 1114 [2018-10-27 00:00:11,606 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:00:11,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-27 00:00:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-10-27 00:00:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-10-27 00:00:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-10-27 00:00:11,720 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 17 [2018-10-27 00:00:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:00:11,721 INFO L481 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-10-27 00:00:11,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:00:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-10-27 00:00:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-27 00:00:11,727 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:00:11,727 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:00:11,727 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:00:11,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:00:11,728 INFO L82 PathProgramCache]: Analyzing trace with hash 932863477, now seen corresponding path program 1 times [2018-10-27 00:00:11,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:00:11,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:11,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:00:11,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:11,730 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:00:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:00:12,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:00:12,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:00:12,009 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:00:12,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:00:12,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:00:12,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:00:12,012 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-10-27 00:00:18,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:00:18,390 INFO L93 Difference]: Finished difference Result 2757 states and 5143 transitions. [2018-10-27 00:00:18,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:00:18,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2018-10-27 00:00:18,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:00:18,419 INFO L225 Difference]: With dead ends: 2757 [2018-10-27 00:00:18,419 INFO L226 Difference]: Without dead ends: 2004 [2018-10-27 00:00:18,428 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:00:18,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2018-10-27 00:00:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1999. [2018-10-27 00:00:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-10-27 00:00:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3239 transitions. [2018-10-27 00:00:18,533 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3239 transitions. Word has length 87 [2018-10-27 00:00:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:00:18,534 INFO L481 AbstractCegarLoop]: Abstraction has 1999 states and 3239 transitions. [2018-10-27 00:00:18,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:00:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3239 transitions. [2018-10-27 00:00:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:00:18,543 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:00:18,544 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:00:18,544 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:00:18,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:00:18,544 INFO L82 PathProgramCache]: Analyzing trace with hash 593337787, now seen corresponding path program 1 times [2018-10-27 00:00:18,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:00:18,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:18,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:00:18,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:18,546 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:00:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:00:18,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:00:18,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:00:18,848 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:00:18,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:00:18,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:00:18,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:00:18,849 INFO L87 Difference]: Start difference. First operand 1999 states and 3239 transitions. Second operand 5 states. [2018-10-27 00:00:37,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:00:37,096 INFO L93 Difference]: Finished difference Result 7066 states and 11537 transitions. [2018-10-27 00:00:37,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 00:00:37,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-10-27 00:00:37,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:00:37,128 INFO L225 Difference]: With dead ends: 7066 [2018-10-27 00:00:37,129 INFO L226 Difference]: Without dead ends: 5073 [2018-10-27 00:00:37,155 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:00:37,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5073 states. [2018-10-27 00:00:37,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5073 to 4992. [2018-10-27 00:00:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4992 states. [2018-10-27 00:00:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 6705 transitions. [2018-10-27 00:00:37,300 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 6705 transitions. Word has length 141 [2018-10-27 00:00:37,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:00:37,300 INFO L481 AbstractCegarLoop]: Abstraction has 4992 states and 6705 transitions. [2018-10-27 00:00:37,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:00:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 6705 transitions. [2018-10-27 00:00:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-27 00:00:37,310 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:00:37,311 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-27 00:00:37,311 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:00:37,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:00:37,311 INFO L82 PathProgramCache]: Analyzing trace with hash -662320847, now seen corresponding path program 1 times [2018-10-27 00:00:37,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:00:37,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:37,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:00:37,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:00:37,313 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:00:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 23 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:00:37,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:00:37,835 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:00:37,836 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-10-27 00:00:37,839 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [109], [111], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [816], [821], [823], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 00:00:37,922 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:00:37,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:00:40,096 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 00:00:50,661 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:00:50,663 INFO L272 AbstractInterpreter]: Visited 130 different actions 377 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 00:00:50,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:00:50,676 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:00:54,481 INFO L227 lantSequenceWeakener]: Weakened 34 states. On average, predicates are now at 78.58% of their original sizes. [2018-10-27 00:00:54,481 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:02:38,412 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-10-27 00:02:38,413 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:02:38,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:02:38,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-10-27 00:02:38,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:02:38,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-27 00:02:38,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-27 00:02:38,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-10-27 00:02:38,417 INFO L87 Difference]: Start difference. First operand 4992 states and 6705 transitions. Second operand 19 states. Received shutdown request... [2018-10-27 00:04:03,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-27 00:04:03,140 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:04:03,145 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:04:03,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:04:03 BoogieIcfgContainer [2018-10-27 00:04:03,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:04:03,146 INFO L168 Benchmark]: Toolchain (without parser) took 248396.79 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -580.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-27 00:04:03,147 INFO L168 Benchmark]: CDTParser took 0.20 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 00:04:03,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.43 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-10-27 00:04:03,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 391.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -884.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:04:03,150 INFO L168 Benchmark]: Boogie Preprocessor took 213.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2018-10-27 00:04:03,151 INFO L168 Benchmark]: RCFGBuilder took 6264.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 295.2 MB). Peak memory consumption was 295.2 MB. Max. memory is 7.1 GB. [2018-10-27 00:04:03,152 INFO L168 Benchmark]: TraceAbstraction took 240264.61 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -124.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-27 00:04:03,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1253.43 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 391.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -884.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6264.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 295.2 MB). Peak memory consumption was 295.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240264.61 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -124.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 37). Cancelled while BasicCegarLoop was constructing difference of abstraction (4992states) and FLOYD_HOARE automaton (currently 20 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (332 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 240.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 117.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 543 SDtfs, 4086 SDslu, 536 SDs, 0 SdLazy, 7134 SolverSat, 1696 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 50.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 264 GetRequests, 127 SyntacticMatches, 102 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 108.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4992occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9951869933677232 AbsIntWeakeningRatio, 0.11440677966101695 AbsIntAvgWeakeningVarsNumRemoved, 87.33474576271186 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 441 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 404562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 49/136 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown