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/Problem13_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:35:58,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:35:58,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:35:58,689 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:35:58,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:35:58,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:35:58,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:35:58,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:35:58,695 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:35:58,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:35:58,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:35:58,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:35:58,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:35:58,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:35:58,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:35:58,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:35:58,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:35:58,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:35:58,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:35:58,711 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:35:58,713 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:35:58,714 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:35:58,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:35:58,730 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 21:35:58,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:35:58,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:35:58,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:35:58,748 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:35:58,748 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:35:58,748 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:35:58,748 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:35:58,748 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:35:58,749 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:35:58,749 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:35:58,749 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:35:58,749 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:35:58,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:35:58,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:35:58,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:35:58,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:35:58,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:35:58,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:35:58,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:35:58,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:35:58,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:35:58,752 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:35:58,752 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:35:58,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:35:58,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:35:58,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:35:58,753 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:35:58,753 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:35:58,753 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:35:58,753 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:35:58,753 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:35:58,754 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:35:58,754 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:35:58,754 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:35:58,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:35:58,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:35:58,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:35:58,821 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:35:58,822 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:35:58,822 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-10-24 21:35:58,896 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8317e1367/ea14aaaba21e43f8b6dd7f3be7eeae75/FLAG163e8b977 [2018-10-24 21:35:59,723 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:35:59,724 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-10-24 21:35:59,765 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8317e1367/ea14aaaba21e43f8b6dd7f3be7eeae75/FLAG163e8b977 [2018-10-24 21:35:59,788 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8317e1367/ea14aaaba21e43f8b6dd7f3be7eeae75 [2018-10-24 21:35:59,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:35:59,803 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:35:59,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:35:59,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:35:59,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:35:59,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:35:59" (1/1) ... [2018-10-24 21:35:59,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1086b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:59, skipping insertion in model container [2018-10-24 21:35:59,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:35:59" (1/1) ... [2018-10-24 21:35:59,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:36:00,023 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:36:01,547 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:36:01,553 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:36:02,372 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:36:02,413 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:36:02,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02 WrapperNode [2018-10-24 21:36:02,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:36:02,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:36:02,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:36:02,415 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:36:02,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:02,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:36:03,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:36:03,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:36:03,022 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:36:03,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (1/1) ... [2018-10-24 21:36:03,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:36:03,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:36:03,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:36:03,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:36:03,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (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 21:36:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:36:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:36:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 21:36:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 21:36:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 21:36:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 21:36:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:36:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:36:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:36:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:36:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:36:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:36:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:36:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:36:15,466 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:36:15,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:36:15 BoogieIcfgContainer [2018-10-24 21:36:15,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:36:15,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:36:15,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:36:15,471 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:36:15,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:35:59" (1/3) ... [2018-10-24 21:36:15,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e14c981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:36:15, skipping insertion in model container [2018-10-24 21:36:15,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:36:02" (2/3) ... [2018-10-24 21:36:15,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e14c981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:36:15, skipping insertion in model container [2018-10-24 21:36:15,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:36:15" (3/3) ... [2018-10-24 21:36:15,475 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label57_true-unreach-call.c [2018-10-24 21:36:15,485 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:36:15,495 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:36:15,513 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:36:15,574 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:36:15,575 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:36:15,575 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:36:15,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:36:15,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:36:15,575 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:36:15,576 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:36:15,576 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:36:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 21:36:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-24 21:36:15,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:36:15,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:36:15,644 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:36:15,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:36:15,651 INFO L82 PathProgramCache]: Analyzing trace with hash -143907844, now seen corresponding path program 1 times [2018-10-24 21:36:15,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:36:15,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:15,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:36:15,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:15,713 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:36:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:36:16,187 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:36:16,312 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 21:36:16,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:36:16,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:36:16,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:36:16,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:36:16,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:36:16,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:36:16,340 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 21:36:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:36:29,311 INFO L93 Difference]: Finished difference Result 3087 states and 5699 transitions. [2018-10-24 21:36:29,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:36:29,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-10-24 21:36:29,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:36:29,354 INFO L225 Difference]: With dead ends: 3087 [2018-10-24 21:36:29,354 INFO L226 Difference]: Without dead ends: 1965 [2018-10-24 21:36:29,368 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 21:36:29,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2018-10-24 21:36:29,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1959. [2018-10-24 21:36:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-24 21:36:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3512 transitions. [2018-10-24 21:36:29,528 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3512 transitions. Word has length 68 [2018-10-24 21:36:29,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:36:29,529 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3512 transitions. [2018-10-24 21:36:29,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:36:29,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3512 transitions. [2018-10-24 21:36:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-24 21:36:29,543 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:36:29,544 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, 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] [2018-10-24 21:36:29,544 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:36:29,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:36:29,545 INFO L82 PathProgramCache]: Analyzing trace with hash 484004430, now seen corresponding path program 1 times [2018-10-24 21:36:29,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:36:29,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:29,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:36:29,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:29,547 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:36:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:36:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:36:30,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:36:30,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:36:30,036 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:36:30,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:36:30,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:36:30,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:36:30,039 INFO L87 Difference]: Start difference. First operand 1959 states and 3512 transitions. Second operand 6 states. [2018-10-24 21:36:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:36:48,799 INFO L93 Difference]: Finished difference Result 7204 states and 13315 transitions. [2018-10-24 21:36:48,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:36:48,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-10-24 21:36:48,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:36:48,842 INFO L225 Difference]: With dead ends: 7204 [2018-10-24 21:36:48,843 INFO L226 Difference]: Without dead ends: 5251 [2018-10-24 21:36:48,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:36:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2018-10-24 21:36:48,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5221. [2018-10-24 21:36:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2018-10-24 21:36:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 8297 transitions. [2018-10-24 21:36:49,009 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 8297 transitions. Word has length 145 [2018-10-24 21:36:49,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:36:49,010 INFO L481 AbstractCegarLoop]: Abstraction has 5221 states and 8297 transitions. [2018-10-24 21:36:49,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:36:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 8297 transitions. [2018-10-24 21:36:49,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-24 21:36:49,017 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:36:49,017 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, 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] [2018-10-24 21:36:49,017 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:36:49,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:36:49,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1149053844, now seen corresponding path program 1 times [2018-10-24 21:36:49,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:36:49,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:49,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:36:49,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:49,020 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:36:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:36:49,331 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:36:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:36:49,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:36:49,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:36:49,398 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:36:49,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:36:49,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:36:49,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:36:49,399 INFO L87 Difference]: Start difference. First operand 5221 states and 8297 transitions. Second operand 6 states. [2018-10-24 21:37:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:01,588 INFO L93 Difference]: Finished difference Result 13953 states and 22260 transitions. [2018-10-24 21:37:01,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:37:01,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-10-24 21:37:01,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:01,642 INFO L225 Difference]: With dead ends: 13953 [2018-10-24 21:37:01,643 INFO L226 Difference]: Without dead ends: 8738 [2018-10-24 21:37:01,670 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:37:01,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8738 states. [2018-10-24 21:37:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8738 to 8648. [2018-10-24 21:37:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8648 states. [2018-10-24 21:37:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8648 states to 8648 states and 12558 transitions. [2018-10-24 21:37:02,026 INFO L78 Accepts]: Start accepts. Automaton has 8648 states and 12558 transitions. Word has length 176 [2018-10-24 21:37:02,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:02,027 INFO L481 AbstractCegarLoop]: Abstraction has 8648 states and 12558 transitions. [2018-10-24 21:37:02,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:37:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 8648 states and 12558 transitions. [2018-10-24 21:37:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-24 21:37:02,035 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:02,035 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:37:02,036 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:02,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:02,036 INFO L82 PathProgramCache]: Analyzing trace with hash -492046690, now seen corresponding path program 1 times [2018-10-24 21:37:02,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:02,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:02,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:02,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:02,038 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 122 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:37:02,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:37:02,383 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:37:02,385 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-10-24 21:37:02,387 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3071], [3073], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [3152], [3155], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 21:37:02,485 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:37:02,485 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:37:05,890 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:37:05,892 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 21:37:05,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:05,908 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:37:10,931 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 72.13% of their original sizes. [2018-10-24 21:37:10,931 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:37:12,472 INFO L413 sIntCurrentIteration]: We have 220 unified AI predicates [2018-10-24 21:37:12,473 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:37:12,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:37:12,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-24 21:37:12,474 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:12,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 21:37:12,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 21:37:12,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:37:12,476 INFO L87 Difference]: Start difference. First operand 8648 states and 12558 transitions. Second operand 10 states. [2018-10-24 21:37:33,658 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 21:39:35,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 21:39:35,145 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:39:35,151 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:39:35,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:39:35 BoogieIcfgContainer [2018-10-24 21:39:35,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:39:35,152 INFO L168 Benchmark]: Toolchain (without parser) took 215350.75 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.6 GB in the end (delta: -2.2 GB). Peak memory consumption was 502.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:35,153 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. [2018-10-24 21:39:35,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2610.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:35,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 606.07 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 836.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:35,156 INFO L168 Benchmark]: Boogie Preprocessor took 427.66 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:35,156 INFO L168 Benchmark]: RCFGBuilder took 12017.40 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 174.6 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.3 MB). Peak memory consumption was 641.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:35,158 INFO L168 Benchmark]: TraceAbstraction took 199683.53 ms. Allocated memory was 2.6 GB in the beginning and 4.3 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 3.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 270.5 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:35,164 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 2610.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 606.07 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 836.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 427.66 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12017.40 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 174.6 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.3 MB). Peak memory consumption was 641.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 199683.53 ms. Allocated memory was 2.6 GB in the beginning and 4.3 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 3.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 270.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (8648states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (4920 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 199.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 186.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1891 SDtfs, 11170 SDslu, 1311 SDs, 0 SdLazy, 16597 SolverSat, 4927 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 136.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 249 GetRequests, 219 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8648occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9955944055944055 AbsIntWeakeningRatio, 0.12272727272727273 AbsIntAvgWeakeningVarsNumRemoved, 28.986363636363638 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 126 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 606 ConstructedInterpolants, 0 QuantifiedInterpolants, 352102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 249/320 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown