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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label45_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 13:57:30,712 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 13:57:30,714 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 13:57:30,731 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 13:57:30,731 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 13:57:30,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 13:57:30,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 13:57:30,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 13:57:30,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 13:57:30,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 13:57:30,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 13:57:30,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 13:57:30,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 13:57:30,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 13:57:30,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 13:57:30,743 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 13:57:30,743 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 13:57:30,745 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 13:57:30,747 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 13:57:30,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 13:57:30,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 13:57:30,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 13:57:30,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 13:57:30,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 13:57:30,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 13:57:30,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 13:57:30,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 13:57:30,761 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 13:57:30,762 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 13:57:30,763 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 13:57:30,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 13:57:30,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-27 13:57:30,767 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 13:57:30,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 13:57:30,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 13:57:30,795 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 13:57:30,795 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 13:57:30,795 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 13:57:30,795 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 13:57:30,795 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 13:57:30,795 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 13:57:30,799 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 13:57:30,799 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 13:57:30,799 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 13:57:30,799 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 13:57:30,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 13:57:30,800 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 13:57:30,800 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 13:57:30,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 13:57:30,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 13:57:30,801 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 13:57:30,801 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 13:57:30,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 13:57:30,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 13:57:30,802 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 13:57:30,802 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 13:57:30,802 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 13:57:30,802 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 13:57:30,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 13:57:30,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 13:57:30,805 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 13:57:30,805 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 13:57:30,805 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 13:57:30,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 13:57:30,805 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 13:57:30,805 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 13:57:30,806 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 13:57:30,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 13:57:30,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 13:57:30,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 13:57:30,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 13:57:30,893 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 13:57:30,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label45_true-unreach-call.c [2018-10-27 13:57:30,951 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5ee1e123e/68d8eab32164477fa350b3fc2bb87894/FLAG4eca30cd2 [2018-10-27 13:57:31,591 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 13:57:31,592 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label45_true-unreach-call.c [2018-10-27 13:57:31,608 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5ee1e123e/68d8eab32164477fa350b3fc2bb87894/FLAG4eca30cd2 [2018-10-27 13:57:31,627 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5ee1e123e/68d8eab32164477fa350b3fc2bb87894 [2018-10-27 13:57:31,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 13:57:31,641 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 13:57:31,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 13:57:31,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 13:57:31,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 13:57:31,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:57:31" (1/1) ... [2018-10-27 13:57:31,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a8effd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:31, skipping insertion in model container [2018-10-27 13:57:31,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:57:31" (1/1) ... [2018-10-27 13:57:31,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 13:57:31,748 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 13:57:32,456 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 13:57:32,461 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 13:57:32,683 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 13:57:32,703 INFO L193 MainTranslator]: Completed translation [2018-10-27 13:57:32,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32 WrapperNode [2018-10-27 13:57:32,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 13:57:32,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 13:57:32,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 13:57:32,705 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 13:57:32,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:32,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:32,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 13:57:32,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 13:57:32,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 13:57:32,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 13:57:33,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... [2018-10-27 13:57:33,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 13:57:33,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 13:57:33,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 13:57:33,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 13:57:33,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 13:57:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 13:57:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 13:57:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 13:57:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 13:57:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 13:57:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 13:57:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 13:57:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 13:57:37,820 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 13:57:37,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:57:37 BoogieIcfgContainer [2018-10-27 13:57:37,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 13:57:37,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 13:57:37,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 13:57:37,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 13:57:37,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:57:31" (1/3) ... [2018-10-27 13:57:37,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ccfbf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:57:37, skipping insertion in model container [2018-10-27 13:57:37,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:57:32" (2/3) ... [2018-10-27 13:57:37,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ccfbf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:57:37, skipping insertion in model container [2018-10-27 13:57:37,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:57:37" (3/3) ... [2018-10-27 13:57:37,833 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label45_true-unreach-call.c [2018-10-27 13:57:37,843 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 13:57:37,856 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 13:57:37,873 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 13:57:37,912 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 13:57:37,912 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 13:57:37,912 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 13:57:37,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 13:57:37,913 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 13:57:37,913 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 13:57:37,913 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 13:57:37,913 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 13:57:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-27 13:57:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-27 13:57:37,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 13:57:37,961 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] [2018-10-27 13:57:37,965 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 13:57:37,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 13:57:37,972 INFO L82 PathProgramCache]: Analyzing trace with hash -23841615, now seen corresponding path program 1 times [2018-10-27 13:57:37,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 13:57:38,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:38,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 13:57:38,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:38,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 13:57:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 13:57:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 13:57:38,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 13:57:38,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 13:57:38,470 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 13:57:38,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 13:57:38,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 13:57:38,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 13:57:38,491 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-27 13:57:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 13:57:42,299 INFO L93 Difference]: Finished difference Result 979 states and 1754 transitions. [2018-10-27 13:57:42,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 13:57:42,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-10-27 13:57:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 13:57:42,326 INFO L225 Difference]: With dead ends: 979 [2018-10-27 13:57:42,326 INFO L226 Difference]: Without dead ends: 680 [2018-10-27 13:57:42,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 13:57:42,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-10-27 13:57:42,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 484. [2018-10-27 13:57:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-10-27 13:57:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 730 transitions. [2018-10-27 13:57:42,424 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 730 transitions. Word has length 39 [2018-10-27 13:57:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 13:57:42,424 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 730 transitions. [2018-10-27 13:57:42,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 13:57:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 730 transitions. [2018-10-27 13:57:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-27 13:57:42,430 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 13:57:42,430 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 13:57:42,431 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 13:57:42,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 13:57:42,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1487845251, now seen corresponding path program 1 times [2018-10-27 13:57:42,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 13:57:42,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:42,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 13:57:42,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:42,433 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 13:57:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 13:57:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 13:57:42,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 13:57:42,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 13:57:42,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 13:57:42,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 13:57:42,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 13:57:42,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 13:57:42,789 INFO L87 Difference]: Start difference. First operand 484 states and 730 transitions. Second operand 6 states. [2018-10-27 13:57:47,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 13:57:47,047 INFO L93 Difference]: Finished difference Result 1555 states and 2493 transitions. [2018-10-27 13:57:47,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 13:57:47,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-10-27 13:57:47,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 13:57:47,070 INFO L225 Difference]: With dead ends: 1555 [2018-10-27 13:57:47,070 INFO L226 Difference]: Without dead ends: 1077 [2018-10-27 13:57:47,073 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 13:57:47,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2018-10-27 13:57:47,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1063. [2018-10-27 13:57:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2018-10-27 13:57:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1592 transitions. [2018-10-27 13:57:47,133 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1592 transitions. Word has length 112 [2018-10-27 13:57:47,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 13:57:47,134 INFO L481 AbstractCegarLoop]: Abstraction has 1063 states and 1592 transitions. [2018-10-27 13:57:47,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 13:57:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1592 transitions. [2018-10-27 13:57:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 13:57:47,137 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 13:57:47,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 13:57:47,138 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 13:57:47,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 13:57:47,138 INFO L82 PathProgramCache]: Analyzing trace with hash 84082156, now seen corresponding path program 1 times [2018-10-27 13:57:47,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 13:57:47,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:47,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 13:57:47,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:47,140 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 13:57:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 13:57:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 13:57:47,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 13:57:47,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 13:57:47,408 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 13:57:47,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 13:57:47,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 13:57:47,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 13:57:47,410 INFO L87 Difference]: Start difference. First operand 1063 states and 1592 transitions. Second operand 4 states. [2018-10-27 13:57:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 13:57:50,524 INFO L93 Difference]: Finished difference Result 2907 states and 4465 transitions. [2018-10-27 13:57:50,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 13:57:50,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-10-27 13:57:50,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 13:57:50,547 INFO L225 Difference]: With dead ends: 2907 [2018-10-27 13:57:50,548 INFO L226 Difference]: Without dead ends: 1850 [2018-10-27 13:57:50,554 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 13:57:50,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2018-10-27 13:57:50,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1646. [2018-10-27 13:57:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-10-27 13:57:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2436 transitions. [2018-10-27 13:57:50,624 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2436 transitions. Word has length 113 [2018-10-27 13:57:50,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 13:57:50,624 INFO L481 AbstractCegarLoop]: Abstraction has 1646 states and 2436 transitions. [2018-10-27 13:57:50,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 13:57:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2436 transitions. [2018-10-27 13:57:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-27 13:57:50,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 13:57:50,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 13:57:50,638 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 13:57:50,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 13:57:50,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1266440719, now seen corresponding path program 1 times [2018-10-27 13:57:50,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 13:57:50,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:50,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 13:57:50,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 13:57:50,640 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 13:57:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 13:57:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 13:57:50,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 13:57:50,932 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 13:57:50,933 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-10-27 13:57:50,935 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 13:57:50,985 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 13:57:50,986 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 13:57:51,527 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 13:57:51,895 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 13:57:51,897 INFO L272 AbstractInterpreter]: Visited 99 different actions 99 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-27 13:57:51,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 13:57:51,941 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 13:57:52,745 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 73.44% of their original sizes. [2018-10-27 13:57:52,745 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 13:57:53,063 INFO L415 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2018-10-27 13:57:53,063 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 13:57:53,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 13:57:53,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-10-27 13:57:53,064 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 13:57:53,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 13:57:53,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 13:57:53,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 13:57:53,066 INFO L87 Difference]: Start difference. First operand 1646 states and 2436 transitions. Second operand 7 states. Received shutdown request... [2018-10-27 14:01:55,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 14:01:55,263 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 14:01:55,269 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 14:01:55,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:01:55 BoogieIcfgContainer [2018-10-27 14:01:55,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 14:01:55,271 INFO L168 Benchmark]: Toolchain (without parser) took 263630.62 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 694.2 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -454.0 MB). Peak memory consumption was 240.2 MB. Max. memory is 7.1 GB. [2018-10-27 14:01:55,273 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 14:01:55,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1061.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-27 14:01:55,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 287.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -833.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-27 14:01:55,275 INFO L168 Benchmark]: Boogie Preprocessor took 112.94 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 14:01:55,276 INFO L168 Benchmark]: RCFGBuilder took 4716.12 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 197.2 MB). Peak memory consumption was 197.2 MB. Max. memory is 7.1 GB. [2018-10-27 14:01:55,277 INFO L168 Benchmark]: TraceAbstraction took 257447.98 ms. Allocated memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: -55.1 MB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 129.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2018-10-27 14:01:55,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1061.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 287.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -833.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.94 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4716.12 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 197.2 MB). Peak memory consumption was 197.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257447.98 ms. Allocated memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: -55.1 MB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 129.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 102). Cancelled while BasicCegarLoop was constructing difference of abstraction (1646states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (1916 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 257.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 253.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 907 SDtfs, 2328 SDslu, 683 SDs, 0 SdLazy, 4099 SolverSat, 1382 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 242.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1646occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9976161557740504 AbsIntWeakeningRatio, 0.16541353383458646 AbsIntAvgWeakeningVarsNumRemoved, 20.293233082706767 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 414 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 151592 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 64/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown