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/Problem03_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 23:33:17,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 23:33:17,711 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 23:33:17,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 23:33:17,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 23:33:17,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 23:33:17,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 23:33:17,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 23:33:17,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 23:33:17,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 23:33:17,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 23:33:17,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 23:33:17,737 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 23:33:17,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 23:33:17,739 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 23:33:17,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 23:33:17,741 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 23:33:17,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 23:33:17,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 23:33:17,756 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 23:33:17,757 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 23:33:17,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 23:33:17,765 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 23:33:17,781 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 [2018-10-23 23:33:17,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 23:33:17,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 23:33:17,820 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 23:33:17,820 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 23:33:17,820 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 23:33:17,820 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 23:33:17,820 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 23:33:17,821 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 23:33:17,821 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 23:33:17,821 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 23:33:17,821 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 23:33:17,822 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 23:33:17,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 23:33:17,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 23:33:17,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 23:33:17,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 23:33:17,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 23:33:17,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 23:33:17,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 23:33:17,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 23:33:17,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 23:33:17,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 23:33:17,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 23:33:17,825 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 23:33:17,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 23:33:17,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 23:33:17,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 23:33:17,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 23:33:17,826 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 23:33:17,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 23:33:17,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 23:33:17,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 23:33:17,827 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 23:33:17,827 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 23:33:17,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 23:33:17,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 23:33:17,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 23:33:17,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 23:33:17,905 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 23:33:17,906 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label06_true-unreach-call.c [2018-10-23 23:33:17,991 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b356cd66/b2ee584f9a4f4d27bc2eb5caf86e4d67/FLAGd3d174fb9 [2018-10-23 23:33:18,792 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 23:33:18,793 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label06_true-unreach-call.c [2018-10-23 23:33:18,812 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b356cd66/b2ee584f9a4f4d27bc2eb5caf86e4d67/FLAGd3d174fb9 [2018-10-23 23:33:18,830 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b356cd66/b2ee584f9a4f4d27bc2eb5caf86e4d67 [2018-10-23 23:33:18,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 23:33:18,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 23:33:18,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 23:33:18,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 23:33:18,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 23:33:18,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:33:18" (1/1) ... [2018-10-23 23:33:18,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4aab1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:18, skipping insertion in model container [2018-10-23 23:33:18,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:33:18" (1/1) ... [2018-10-23 23:33:18,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 23:33:18,955 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 23:33:19,674 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:33:19,681 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 23:33:19,978 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:33:20,004 INFO L193 MainTranslator]: Completed translation [2018-10-23 23:33:20,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20 WrapperNode [2018-10-23 23:33:20,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 23:33:20,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 23:33:20,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 23:33:20,006 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 23:33:20,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 23:33:20,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 23:33:20,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 23:33:20,363 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 23:33:20,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (1/1) ... [2018-10-23 23:33:20,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 23:33:20,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 23:33:20,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 23:33:20,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 23:33:20,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (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 [2018-10-23 23:33:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 23:33:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 23:33:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 23:33:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 23:33:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 23:33:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 23:33:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 23:33:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 23:33:25,652 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 23:33:25,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:33:25 BoogieIcfgContainer [2018-10-23 23:33:25,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 23:33:25,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 23:33:25,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 23:33:25,663 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 23:33:25,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:33:18" (1/3) ... [2018-10-23 23:33:25,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2721cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:33:25, skipping insertion in model container [2018-10-23 23:33:25,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:33:20" (2/3) ... [2018-10-23 23:33:25,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2721cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:33:25, skipping insertion in model container [2018-10-23 23:33:25,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:33:25" (3/3) ... [2018-10-23 23:33:25,670 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label06_true-unreach-call.c [2018-10-23 23:33:25,681 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 23:33:25,700 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 23:33:25,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 23:33:25,787 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 23:33:25,787 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 23:33:25,787 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 23:33:25,787 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 23:33:25,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 23:33:25,788 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 23:33:25,788 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 23:33:25,788 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 23:33:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-23 23:33:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-23 23:33:25,842 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:33:25,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:33:25,846 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:33:25,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:33:25,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1227747913, now seen corresponding path program 1 times [2018-10-23 23:33:25,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:33:25,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:25,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:33:25,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:25,905 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:33:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:33:26,811 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 23:33:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:33:27,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:33:27,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 23:33:27,058 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:33:27,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 23:33:27,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 23:33:27,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:33:27,088 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-10-23 23:33:29,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:33:29,317 INFO L93 Difference]: Finished difference Result 848 states and 1491 transitions. [2018-10-23 23:33:29,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 23:33:29,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2018-10-23 23:33:29,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:33:29,347 INFO L225 Difference]: With dead ends: 848 [2018-10-23 23:33:29,349 INFO L226 Difference]: Without dead ends: 534 [2018-10-23 23:33:29,366 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 [2018-10-23 23:33:29,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-10-23 23:33:29,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 532. [2018-10-23 23:33:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-10-23 23:33:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 867 transitions. [2018-10-23 23:33:29,529 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 867 transitions. Word has length 176 [2018-10-23 23:33:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:33:29,530 INFO L481 AbstractCegarLoop]: Abstraction has 532 states and 867 transitions. [2018-10-23 23:33:29,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 23:33:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 867 transitions. [2018-10-23 23:33:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-23 23:33:29,554 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:33:29,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:33:29,555 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:33:29,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:33:29,556 INFO L82 PathProgramCache]: Analyzing trace with hash -602299443, now seen corresponding path program 1 times [2018-10-23 23:33:29,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:33:29,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:29,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:33:29,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:29,561 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:33:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:33:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:33:30,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:33:30,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 23:33:30,185 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:33:30,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 23:33:30,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 23:33:30,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:33:30,191 INFO L87 Difference]: Start difference. First operand 532 states and 867 transitions. Second operand 3 states. [2018-10-23 23:33:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:33:32,487 INFO L93 Difference]: Finished difference Result 1493 states and 2512 transitions. [2018-10-23 23:33:32,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 23:33:32,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2018-10-23 23:33:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:33:32,499 INFO L225 Difference]: With dead ends: 1493 [2018-10-23 23:33:32,499 INFO L226 Difference]: Without dead ends: 967 [2018-10-23 23:33:32,503 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:33:32,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-10-23 23:33:32,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 951. [2018-10-23 23:33:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-10-23 23:33:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1540 transitions. [2018-10-23 23:33:32,545 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1540 transitions. Word has length 189 [2018-10-23 23:33:32,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:33:32,546 INFO L481 AbstractCegarLoop]: Abstraction has 951 states and 1540 transitions. [2018-10-23 23:33:32,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 23:33:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1540 transitions. [2018-10-23 23:33:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-23 23:33:32,554 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:33:32,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:33:32,555 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:33:32,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:33:32,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1117769588, now seen corresponding path program 1 times [2018-10-23 23:33:32,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:33:32,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:32,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:33:32,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:32,557 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:33:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:33:32,822 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 23:33:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:33:33,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:33:33,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 23:33:33,093 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:33:33,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 23:33:33,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 23:33:33,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 23:33:33,095 INFO L87 Difference]: Start difference. First operand 951 states and 1540 transitions. Second operand 6 states. [2018-10-23 23:33:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:33:36,314 INFO L93 Difference]: Finished difference Result 2784 states and 4694 transitions. [2018-10-23 23:33:36,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 23:33:36,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2018-10-23 23:33:36,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:33:36,331 INFO L225 Difference]: With dead ends: 2784 [2018-10-23 23:33:36,331 INFO L226 Difference]: Without dead ends: 1839 [2018-10-23 23:33:36,337 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 23:33:36,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2018-10-23 23:33:36,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1809. [2018-10-23 23:33:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2018-10-23 23:33:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2782 transitions. [2018-10-23 23:33:36,437 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2782 transitions. Word has length 204 [2018-10-23 23:33:36,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:33:36,437 INFO L481 AbstractCegarLoop]: Abstraction has 1809 states and 2782 transitions. [2018-10-23 23:33:36,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 23:33:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2782 transitions. [2018-10-23 23:33:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-23 23:33:36,448 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:33:36,448 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:33:36,449 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:33:36,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:33:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash -356667913, now seen corresponding path program 1 times [2018-10-23 23:33:36,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:33:36,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:36,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:33:36,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:33:36,452 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:33:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:33:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:33:36,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:33:36,853 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:33:36,854 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-10-23 23:33:36,857 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [869], [871], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-23 23:33:36,959 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:33:36,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-23 23:37:53,868 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-23 23:37:53,869 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-23 23:37:53,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-23 23:37:53,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:37:53,871 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 23:37:53,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:37:53,887 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-23 23:37:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:37:54,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 23:37:54,183 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-23 23:37:54,385 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 23:37:54,386 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:37:54,392 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:37:54,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:37:54 BoogieIcfgContainer [2018-10-23 23:37:54,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:37:54,394 INFO L168 Benchmark]: Toolchain (without parser) took 275550.95 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 120.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:37:54,395 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:37:54,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1159.71 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-23 23:37:54,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 356.39 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -834.6 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2018-10-23 23:37:54,398 INFO L168 Benchmark]: Boogie Preprocessor took 136.58 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2018-10-23 23:37:54,399 INFO L168 Benchmark]: RCFGBuilder took 5155.72 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 268.1 MB). Peak memory consumption was 268.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:37:54,400 INFO L168 Benchmark]: TraceAbstraction took 268734.60 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 407.4 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -532.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:37:54,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1159.71 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 356.39 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -834.6 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.58 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5155.72 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 268.1 MB). Peak memory consumption was 268.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268734.60 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 407.4 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -532.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1542]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1542). Cancelled while BasicCegarLoop was analyzing trace of length 224 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 268.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 535 SDtfs, 1391 SDslu, 292 SDs, 0 SdLazy, 2390 SolverSat, 793 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1809occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 257.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 569 NumberOfCodeBlocks, 569 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 566 ConstructedInterpolants, 0 QuantifiedInterpolants, 296170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 35/35 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown