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/Problem17_label14_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 02:02:11,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 02:02:11,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 02:02:11,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 02:02:11,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 02:02:11,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 02:02:11,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 02:02:11,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 02:02:11,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 02:02:11,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 02:02:11,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 02:02:11,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 02:02:11,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 02:02:11,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 02:02:11,252 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 02:02:11,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 02:02:11,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 02:02:11,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 02:02:11,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 02:02:11,263 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 02:02:11,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 02:02:11,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 02:02:11,270 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 02:02:11,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 02:02:11,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 02:02:11,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 02:02:11,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 02:02:11,283 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 02:02:11,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 02:02:11,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 02:02:11,313 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 02:02:11,313 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 02:02:11,313 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 02:02:11,314 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 02:02:11,314 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 02:02:11,314 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 02:02:11,314 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 02:02:11,314 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 02:02:11,315 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 02:02:11,315 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 02:02:11,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 02:02:11,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 02:02:11,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 02:02:11,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 02:02:11,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 02:02:11,317 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 02:02:11,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 02:02:11,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 02:02:11,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 02:02:11,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 02:02:11,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 02:02:11,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 02:02:11,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:02:11,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 02:02:11,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 02:02:11,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 02:02:11,319 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 02:02:11,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 02:02:11,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 02:02:11,319 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 02:02:11,319 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 02:02:11,320 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 02:02:11,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 02:02:11,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 02:02:11,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 02:02:11,406 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 02:02:11,407 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 02:02:11,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label14_true-unreach-call.c [2018-10-24 02:02:11,483 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b170f0a4f/37cc2143d598475b8cb883703a82571a/FLAGbac4a7be8 [2018-10-24 02:02:12,206 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 02:02:12,207 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label14_true-unreach-call.c [2018-10-24 02:02:12,237 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b170f0a4f/37cc2143d598475b8cb883703a82571a/FLAGbac4a7be8 [2018-10-24 02:02:12,257 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b170f0a4f/37cc2143d598475b8cb883703a82571a [2018-10-24 02:02:12,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 02:02:12,272 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 02:02:12,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 02:02:12,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 02:02:12,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 02:02:12,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:02:12" (1/1) ... [2018-10-24 02:02:12,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a79b8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:12, skipping insertion in model container [2018-10-24 02:02:12,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:02:12" (1/1) ... [2018-10-24 02:02:12,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 02:02:12,435 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 02:02:13,571 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:02:13,577 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 02:02:14,202 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:02:14,225 INFO L193 MainTranslator]: Completed translation [2018-10-24 02:02:14,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14 WrapperNode [2018-10-24 02:02:14,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 02:02:14,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 02:02:14,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 02:02:14,227 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 02:02:14,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 02:02:14,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 02:02:14,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 02:02:14,691 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 02:02:14,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (1/1) ... [2018-10-24 02:02:14,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 02:02:14,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 02:02:14,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 02:02:14,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 02:02:14,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (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 02:02:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 02:02:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 02:02:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 02:02:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 02:02:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 02:02:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 02:02:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 02:02:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 02:02:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 02:02:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 02:02:25,870 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 02:02:25,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:02:25 BoogieIcfgContainer [2018-10-24 02:02:25,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 02:02:25,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 02:02:25,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 02:02:25,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 02:02:25,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:02:12" (1/3) ... [2018-10-24 02:02:25,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39106e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:02:25, skipping insertion in model container [2018-10-24 02:02:25,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:14" (2/3) ... [2018-10-24 02:02:25,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39106e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:02:25, skipping insertion in model container [2018-10-24 02:02:25,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:02:25" (3/3) ... [2018-10-24 02:02:25,881 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label14_true-unreach-call.c [2018-10-24 02:02:25,892 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 02:02:25,901 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 02:02:25,919 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 02:02:25,972 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 02:02:25,972 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 02:02:25,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 02:02:25,973 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 02:02:25,973 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 02:02:25,973 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 02:02:25,973 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 02:02:25,973 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 02:02:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 02:02:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-24 02:02:26,033 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:02:26,034 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] [2018-10-24 02:02:26,037 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:02:26,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:02:26,043 INFO L82 PathProgramCache]: Analyzing trace with hash 104391076, now seen corresponding path program 1 times [2018-10-24 02:02:26,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:02:26,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:02:26,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:02:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:02:26,096 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:02:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:02:26,597 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 02:02:26,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:02:26,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 02:02:26,600 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:02:26,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 02:02:26,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 02:02:26,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:02:26,625 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 02:02:35,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:02:35,951 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-24 02:02:35,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 02:02:35,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-10-24 02:02:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:02:35,992 INFO L225 Difference]: With dead ends: 2162 [2018-10-24 02:02:35,992 INFO L226 Difference]: Without dead ends: 1552 [2018-10-24 02:02:36,007 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 [2018-10-24 02:02:36,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-24 02:02:36,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-24 02:02:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-24 02:02:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-24 02:02:36,158 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 54 [2018-10-24 02:02:36,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:02:36,158 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-24 02:02:36,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 02:02:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-24 02:02:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-24 02:02:36,168 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:02:36,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:36,169 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:02:36,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:02:36,169 INFO L82 PathProgramCache]: Analyzing trace with hash -733218574, now seen corresponding path program 1 times [2018-10-24 02:02:36,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:02:36,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:02:36,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:02:36,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:02:36,171 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:02:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:02:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:02:36,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:02:36,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:02:36,460 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:02:36,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:02:36,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:02:36,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:02:36,463 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-24 02:02:56,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:02:56,305 INFO L93 Difference]: Finished difference Result 5787 states and 10682 transitions. [2018-10-24 02:02:56,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:02:56,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-10-24 02:02:56,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:02:56,341 INFO L225 Difference]: With dead ends: 5787 [2018-10-24 02:02:56,341 INFO L226 Difference]: Without dead ends: 4268 [2018-10-24 02:02:56,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 02:02:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4268 states. [2018-10-24 02:02:56,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4268 to 4242. [2018-10-24 02:02:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4242 states. [2018-10-24 02:02:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 6360 transitions. [2018-10-24 02:02:56,496 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 6360 transitions. Word has length 133 [2018-10-24 02:02:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:02:56,497 INFO L481 AbstractCegarLoop]: Abstraction has 4242 states and 6360 transitions. [2018-10-24 02:02:56,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:02:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 6360 transitions. [2018-10-24 02:02:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 02:02:56,502 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:02:56,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:56,503 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:02:56,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:02:56,504 INFO L82 PathProgramCache]: Analyzing trace with hash 9362786, now seen corresponding path program 1 times [2018-10-24 02:02:56,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:02:56,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:02:56,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:02:56,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:02:56,505 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:02:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:02:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:02:56,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:02:56,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:02:56,712 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:02:56,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:02:56,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:02:56,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:02:56,714 INFO L87 Difference]: Start difference. First operand 4242 states and 6360 transitions. Second operand 6 states. [2018-10-24 02:03:03,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:03:03,682 INFO L93 Difference]: Finished difference Result 12710 states and 20700 transitions. [2018-10-24 02:03:03,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:03:03,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-10-24 02:03:03,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:03:03,757 INFO L225 Difference]: With dead ends: 12710 [2018-10-24 02:03:03,757 INFO L226 Difference]: Without dead ends: 8474 [2018-10-24 02:03:03,786 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 [2018-10-24 02:03:03,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8474 states. [2018-10-24 02:03:04,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8474 to 8389. [2018-10-24 02:03:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8389 states. [2018-10-24 02:03:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8389 states to 8389 states and 12579 transitions. [2018-10-24 02:03:04,087 INFO L78 Accepts]: Start accepts. Automaton has 8389 states and 12579 transitions. Word has length 134 [2018-10-24 02:03:04,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:03:04,088 INFO L481 AbstractCegarLoop]: Abstraction has 8389 states and 12579 transitions. [2018-10-24 02:03:04,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:03:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 8389 states and 12579 transitions. [2018-10-24 02:03:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-24 02:03:04,093 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:03:04,098 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, 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] [2018-10-24 02:03:04,098 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:03:04,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:03:04,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1511832028, now seen corresponding path program 1 times [2018-10-24 02:03:04,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:03:04,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:03:04,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:03:04,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:03:04,101 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:03:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:03:04,443 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:03:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 02:03:04,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:03:04,556 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:03:04,557 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-10-24 02:03:04,559 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1042], [1044], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1239], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:03:04,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:03:04,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:03:06,068 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:03:27,788 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 02:03:27,790 INFO L272 AbstractInterpreter]: Visited 87 different actions 573 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 02:03:27,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:03:27,806 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 02:03:30,606 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 77.78% of their original sizes. [2018-10-24 02:03:30,607 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 02:04:21,680 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 02:04:21,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 02:04:21,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-10-24 02:04:21,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:04:21,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-24 02:04:21,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-24 02:04:21,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2018-10-24 02:04:21,683 INFO L87 Difference]: Start difference. First operand 8389 states and 12579 transitions. Second operand 21 states. Received shutdown request... [2018-10-24 02:06:17,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-24 02:06:17,263 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:06:17,270 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:06:17,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:06:17 BoogieIcfgContainer [2018-10-24 02:06:17,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:06:17,272 INFO L168 Benchmark]: Toolchain (without parser) took 245001.10 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 977.5 MB. Max. memory is 7.1 GB. [2018-10-24 02:06:17,273 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-24 02:06:17,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1953.34 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 02:06:17,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 463.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -905.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2018-10-24 02:06:17,276 INFO L168 Benchmark]: Boogie Preprocessor took 251.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 02:06:17,277 INFO L168 Benchmark]: RCFGBuilder took 10929.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 463.5 MB). Peak memory consumption was 463.5 MB. Max. memory is 7.1 GB. [2018-10-24 02:06:17,277 INFO L168 Benchmark]: TraceAbstraction took 231398.29 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: -1.4 GB). Peak memory consumption was 486.2 MB. Max. memory is 7.1 GB. [2018-10-24 02:06:17,283 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1953.34 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 463.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -905.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10929.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 463.5 MB). Peak memory consumption was 463.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231398.29 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: -1.4 GB). Peak memory consumption was 486.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 149]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 149). Cancelled while BasicCegarLoop was constructing difference of abstraction (8389states) and FLOYD_HOARE automaton (currently 18 states, 21 states before enhancement),while ReachableStatesComputation was computing reachable states (382 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 231.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 151.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 685 SDtfs, 6683 SDslu, 808 SDs, 0 SdLazy, 9579 SolverSat, 3159 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 73.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 244 GetRequests, 167 SyntacticMatches, 31 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 56.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8389occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 23.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9945596432552954 AbsIntWeakeningRatio, 0.13043478260869565 AbsIntAvgWeakeningVarsNumRemoved, 751.1207729468599 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 138 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 525 ConstructedInterpolants, 0 QuantifiedInterpolants, 271687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 258/263 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown