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/Problem19_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:26:58,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:26:58,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:26:58,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:26:58,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:26:58,819 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:26:58,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:26:58,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:26:58,824 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:26:58,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:26:58,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:26:58,826 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:26:58,827 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:26:58,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:26:58,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:26:58,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:26:58,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:26:58,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:26:58,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:26:58,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:26:58,838 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:26:58,839 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:26:58,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:26:58,853 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 [2018-10-24 22:26:58,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:26:58,880 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:26:58,880 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:26:58,881 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:26:58,881 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:26:58,881 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:26:58,881 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:26:58,881 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:26:58,882 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:26:58,882 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:26:58,882 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:26:58,882 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:26:58,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:26:58,883 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:26:58,883 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:26:58,883 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:26:58,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:26:58,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:26:58,884 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:26:58,884 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:26:58,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:26:58,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:26:58,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:26:58,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:26:58,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:26:58,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:26:58,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:26:58,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:26:58,886 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:26:58,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:26:58,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:26:58,887 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:26:58,887 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:26:58,887 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:26:58,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:26:58,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:26:58,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:26:58,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:26:58,967 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:26:58,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-10-24 22:26:59,029 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a930a103d/8e0c595da0ae4acdb943c45671263409/FLAG6d01b57dc [2018-10-24 22:26:59,907 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:26:59,908 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-10-24 22:26:59,961 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a930a103d/8e0c595da0ae4acdb943c45671263409/FLAG6d01b57dc [2018-10-24 22:26:59,982 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a930a103d/8e0c595da0ae4acdb943c45671263409 [2018-10-24 22:26:59,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:27:00,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:27:00,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:27:00,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:27:00,006 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:27:00,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:26:59" (1/1) ... [2018-10-24 22:27:00,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b95b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:00, skipping insertion in model container [2018-10-24 22:27:00,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:26:59" (1/1) ... [2018-10-24 22:27:00,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:27:00,268 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:27:02,267 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:27:02,272 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:27:03,521 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:27:03,574 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:27:03,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03 WrapperNode [2018-10-24 22:27:03,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:27:03,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:27:03,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:27:03,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:27:03,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:03,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:27:04,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:27:04,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:27:04,322 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:27:04,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (1/1) ... [2018-10-24 22:27:04,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:27:04,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:27:04,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:27:04,754 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:27:04,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (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 [2018-10-24 22:27:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:27:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:27:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 22:27:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 22:27:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 22:27:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 22:27:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 22:27:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 22:27:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 22:27:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 22:27:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:27:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:27:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:27:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:27:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:27:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:27:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:27:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:27:23,305 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:27:23,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:27:23 BoogieIcfgContainer [2018-10-24 22:27:23,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:27:23,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:27:23,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:27:23,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:27:23,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:26:59" (1/3) ... [2018-10-24 22:27:23,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75de992c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:27:23, skipping insertion in model container [2018-10-24 22:27:23,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:27:03" (2/3) ... [2018-10-24 22:27:23,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75de992c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:27:23, skipping insertion in model container [2018-10-24 22:27:23,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:27:23" (3/3) ... [2018-10-24 22:27:23,315 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label12_true-unreach-call.c [2018-10-24 22:27:23,325 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:27:23,337 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:27:23,356 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:27:23,417 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:27:23,418 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:27:23,418 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:27:23,418 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:27:23,418 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:27:23,419 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:27:23,419 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:27:23,419 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:27:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 22:27:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-24 22:27:23,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:27:23,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:27:23,508 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:27:23,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:27:23,514 INFO L82 PathProgramCache]: Analyzing trace with hash -21535606, now seen corresponding path program 1 times [2018-10-24 22:27:23,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:27:23,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:23,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:27:23,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:23,569 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:27:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:27:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:27:24,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:27:24,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 22:27:24,035 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:27:24,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:27:24,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:27:24,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:27:24,063 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 22:27:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:27:43,604 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-10-24 22:27:43,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:27:43,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-10-24 22:27:43,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:27:43,662 INFO L225 Difference]: With dead ends: 5034 [2018-10-24 22:27:43,662 INFO L226 Difference]: Without dead ends: 3254 [2018-10-24 22:27:43,680 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:27:43,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-10-24 22:27:43,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-10-24 22:27:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-24 22:27:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-10-24 22:27:43,916 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 51 [2018-10-24 22:27:43,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:27:43,917 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-10-24 22:27:43,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:27:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-10-24 22:27:43,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-24 22:27:43,932 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:27:43,933 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, 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] [2018-10-24 22:27:43,933 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:27:43,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:27:43,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1031778886, now seen corresponding path program 1 times [2018-10-24 22:27:43,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:27:43,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:43,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:27:43,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:27:43,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:27:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:27:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:27:44,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:27:44,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:27:44,538 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:27:44,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:27:44,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:27:44,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:27:44,542 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-10-24 22:28:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:28:15,698 INFO L93 Difference]: Finished difference Result 9590 states and 17980 transitions. [2018-10-24 22:28:15,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 22:28:15,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-10-24 22:28:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:28:15,741 INFO L225 Difference]: With dead ends: 9590 [2018-10-24 22:28:15,741 INFO L226 Difference]: Without dead ends: 6389 [2018-10-24 22:28:15,752 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:28:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6389 states. [2018-10-24 22:28:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6389 to 6281. [2018-10-24 22:28:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6281 states. [2018-10-24 22:28:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 11310 transitions. [2018-10-24 22:28:15,959 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 11310 transitions. Word has length 124 [2018-10-24 22:28:15,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:28:15,959 INFO L481 AbstractCegarLoop]: Abstraction has 6281 states and 11310 transitions. [2018-10-24 22:28:15,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:28:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 11310 transitions. [2018-10-24 22:28:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 22:28:15,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:28:15,963 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, 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] [2018-10-24 22:28:15,963 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:28:15,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:28:15,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1387877847, now seen corresponding path program 1 times [2018-10-24 22:28:15,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:28:15,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:15,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:28:15,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:15,965 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:28:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:28:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:28:16,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:28:16,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:28:16,221 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:28:16,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:28:16,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:28:16,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:28:16,222 INFO L87 Difference]: Start difference. First operand 6281 states and 11310 transitions. Second operand 5 states. [2018-10-24 22:28:43,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:28:43,152 INFO L93 Difference]: Finished difference Result 18963 states and 34374 transitions. [2018-10-24 22:28:43,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 22:28:43,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-10-24 22:28:43,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:28:43,237 INFO L225 Difference]: With dead ends: 18963 [2018-10-24 22:28:43,237 INFO L226 Difference]: Without dead ends: 12688 [2018-10-24 22:28:43,259 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 [2018-10-24 22:28:43,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12688 states. [2018-10-24 22:28:43,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12688 to 12427. [2018-10-24 22:28:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12427 states. [2018-10-24 22:28:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12427 states to 12427 states and 18958 transitions. [2018-10-24 22:28:43,642 INFO L78 Accepts]: Start accepts. Automaton has 12427 states and 18958 transitions. Word has length 138 [2018-10-24 22:28:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:28:43,643 INFO L481 AbstractCegarLoop]: Abstraction has 12427 states and 18958 transitions. [2018-10-24 22:28:43,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:28:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12427 states and 18958 transitions. [2018-10-24 22:28:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-24 22:28:43,652 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:28:43,652 INFO L375 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, 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] [2018-10-24 22:28:43,652 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:28:43,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:28:43,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1906021503, now seen corresponding path program 1 times [2018-10-24 22:28:43,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:28:43,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:43,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:28:43,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:28:43,655 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:28:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:28:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 88 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 22:28:44,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:28:44,199 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:28:44,200 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-10-24 22:28:44,202 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 22:28:44,311 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:28:44,311 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:28:47,636 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:28:47,638 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 22:28:47,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:28:47,664 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:28:50,698 INFO L232 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 75.66% of their original sizes. [2018-10-24 22:28:50,698 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:28:51,174 INFO L413 sIntCurrentIteration]: We have 227 unified AI predicates [2018-10-24 22:28:51,174 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:28:51,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:28:51,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 22:28:51,176 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:28:51,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 22:28:51,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 22:28:51,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:28:51,181 INFO L87 Difference]: Start difference. First operand 12427 states and 18958 transitions. Second operand 7 states. [2018-10-24 22:28:54,660 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 22:30:32,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:30:32,862 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:30:32,867 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:30:32,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:30:32 BoogieIcfgContainer [2018-10-24 22:30:32,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:30:32,868 INFO L168 Benchmark]: Toolchain (without parser) took 212869.87 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 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 908.9 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:32,871 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-24 22:30:32,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3574.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:32,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 745.61 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 878.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:32,873 INFO L168 Benchmark]: Boogie Preprocessor took 432.26 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:32,874 INFO L168 Benchmark]: RCFGBuilder took 18551.64 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 143.7 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 534.9 MB). Peak memory consumption was 678.5 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:32,875 INFO L168 Benchmark]: TraceAbstraction took 189560.67 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 3.2 GB in the end (delta: -1.4 GB). Peak memory consumption was 187.4 MB. Max. memory is 7.1 GB. [2018-10-24 22:30:32,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3574.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 745.61 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 878.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 432.26 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18551.64 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 143.7 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 534.9 MB). Peak memory consumption was 678.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 189560.67 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 3.2 GB in the end (delta: -1.4 GB). Peak memory consumption was 187.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 148). Cancelled while BasicCegarLoop was constructing difference of abstraction (12427states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (6221 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 189.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 179.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2039 SDtfs, 16871 SDslu, 2409 SDs, 0 SdLazy, 23750 SolverSat, 5747 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 136.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 253 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12427occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9957302609284987 AbsIntWeakeningRatio, 0.11894273127753303 AbsIntAvgWeakeningVarsNumRemoved, 1047.5770925110132 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 416 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 346089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 181/263 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown