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/Problem10_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:02:15,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:02:15,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:02:15,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:02:15,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:02:15,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:02:15,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:02:15,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:02:15,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:02:15,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:02:15,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:02:15,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:02:15,368 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:02:15,369 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:02:15,371 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:02:15,371 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:02:15,372 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:02:15,379 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:02:15,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:02:15,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:02:15,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:02:15,391 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:02:15,394 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:02:15,402 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:02:15,402 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:02:15,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:02:15,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:02:15,407 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:02:15,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:02:15,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:02:15,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:02:15,438 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:02:15,438 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:02:15,439 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:02:15,439 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:02:15,439 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:02:15,439 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:02:15,440 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:02:15,440 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:02:15,440 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:02:15,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:02:15,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:02:15,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:02:15,442 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:02:15,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:02:15,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:02:15,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:02:15,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:02:15,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:02:15,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:02:15,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:02:15,443 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:02:15,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:02:15,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:02:15,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:02:15,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:02:15,444 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:02:15,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:02:15,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:02:15,445 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:02:15,445 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:02:15,445 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:02:15,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:02:15,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:02:15,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:02:15,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:02:15,514 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:02:15,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-10-24 21:02:15,573 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b4af724e/4bc45887d21f450196ca11ee7cd24dd9/FLAGd4ed7c45b [2018-10-24 21:02:16,125 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:02:16,126 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-10-24 21:02:16,140 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b4af724e/4bc45887d21f450196ca11ee7cd24dd9/FLAGd4ed7c45b [2018-10-24 21:02:16,157 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b4af724e/4bc45887d21f450196ca11ee7cd24dd9 [2018-10-24 21:02:16,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:02:16,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:02:16,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:02:16,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:02:16,176 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:02:16,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:16,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219fb805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16, skipping insertion in model container [2018-10-24 21:02:16,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:16,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:02:16,250 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:02:16,750 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:02:16,755 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:02:16,909 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:02:16,933 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:02:16,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16 WrapperNode [2018-10-24 21:02:16,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:02:16,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:02:16,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:02:16,935 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:02:16,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:16,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:02:17,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:02:17,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:02:17,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:02:17,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... [2018-10-24 21:02:17,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:02:17,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:02:17,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:02:17,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:02:17,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:02:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:02:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:02:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:02:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:02:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:02:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:02:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:02:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:02:20,630 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:02:20,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:02:20 BoogieIcfgContainer [2018-10-24 21:02:20,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:02:20,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:02:20,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:02:20,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:02:20,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:02:16" (1/3) ... [2018-10-24 21:02:20,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222831f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:02:20, skipping insertion in model container [2018-10-24 21:02:20,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:02:16" (2/3) ... [2018-10-24 21:02:20,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222831f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:02:20, skipping insertion in model container [2018-10-24 21:02:20,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:02:20" (3/3) ... [2018-10-24 21:02:20,642 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label40_true-unreach-call.c [2018-10-24 21:02:20,653 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:02:20,663 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:02:20,682 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:02:20,731 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:02:20,732 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:02:20,732 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:02:20,732 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:02:20,732 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:02:20,732 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:02:20,733 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:02:20,733 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:02:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-24 21:02:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-24 21:02:20,775 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:02:20,778 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] [2018-10-24 21:02:20,783 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:02:20,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:02:20,789 INFO L82 PathProgramCache]: Analyzing trace with hash -114412468, now seen corresponding path program 1 times [2018-10-24 21:02:20,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:02:20,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:02:20,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:02:20,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:02:20,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:02:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:02:21,299 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:02:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:02:21,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:02:21,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:02:21,423 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:02:21,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:02:21,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:02:21,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:02:21,457 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-24 21:02:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:02:23,218 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-24 21:02:23,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:02:23,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-10-24 21:02:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:02:23,241 INFO L225 Difference]: With dead ends: 574 [2018-10-24 21:02:23,241 INFO L226 Difference]: Without dead ends: 356 [2018-10-24 21:02:23,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:02:23,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-24 21:02:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-24 21:02:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-24 21:02:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-10-24 21:02:23,333 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 56 [2018-10-24 21:02:23,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:02:23,334 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-10-24 21:02:23,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:02:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-10-24 21:02:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-24 21:02:23,346 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:02:23,347 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:02:23,347 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:02:23,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:02:23,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1891989940, now seen corresponding path program 1 times [2018-10-24 21:02:23,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:02:23,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:02:23,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:02:23,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:02:23,352 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:02:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:02:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:02:23,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:02:23,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:02:23,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:02:23,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:02:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:02:23,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:02:23,752 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 6 states. [2018-10-24 21:02:25,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:02:25,375 INFO L93 Difference]: Finished difference Result 867 states and 1507 transitions. [2018-10-24 21:02:25,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:02:25,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-10-24 21:02:25,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:02:25,383 INFO L225 Difference]: With dead ends: 867 [2018-10-24 21:02:25,383 INFO L226 Difference]: Without dead ends: 517 [2018-10-24 21:02:25,386 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:02:25,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-10-24 21:02:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 508. [2018-10-24 21:02:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2018-10-24 21:02:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 831 transitions. [2018-10-24 21:02:25,427 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 831 transitions. Word has length 130 [2018-10-24 21:02:25,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:02:25,428 INFO L481 AbstractCegarLoop]: Abstraction has 508 states and 831 transitions. [2018-10-24 21:02:25,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:02:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 831 transitions. [2018-10-24 21:02:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-24 21:02:25,433 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:02:25,434 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:02:25,434 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:02:25,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:02:25,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1956884576, now seen corresponding path program 1 times [2018-10-24 21:02:25,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:02:25,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:02:25,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:02:25,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:02:25,437 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:02:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:02:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:02:25,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:02:25,735 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:02:25,736 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-10-24 21:02:25,738 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [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], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 21:02:25,807 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:02:25,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:02:28,306 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:02:40,285 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:02:40,287 INFO L272 AbstractInterpreter]: Visited 87 different actions 492 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:02:40,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:02:40,302 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:02:42,581 INFO L232 lantSequenceWeakener]: Weakened 29 states. On average, predicates are now at 78.06% of their original sizes. [2018-10-24 21:02:42,581 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:03:00,103 INFO L413 sIntCurrentIteration]: We have 135 unified AI predicates [2018-10-24 21:03:00,104 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:03:00,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:03:00,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-10-24 21:03:00,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:03:00,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 21:03:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 21:03:00,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-24 21:03:00,107 INFO L87 Difference]: Start difference. First operand 508 states and 831 transitions. Second operand 17 states. [2018-10-24 21:05:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:05:37,946 INFO L93 Difference]: Finished difference Result 2196 states and 3723 transitions. [2018-10-24 21:05:37,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-24 21:05:37,947 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 136 [2018-10-24 21:05:37,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:05:37,957 INFO L225 Difference]: With dead ends: 2196 [2018-10-24 21:05:37,957 INFO L226 Difference]: Without dead ends: 1694 [2018-10-24 21:05:37,961 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 104 SyntacticMatches, 16 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2018-10-24 21:05:37,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2018-10-24 21:05:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1604. [2018-10-24 21:05:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-24 21:05:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2024 transitions. [2018-10-24 21:05:38,100 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2024 transitions. Word has length 136 [2018-10-24 21:05:38,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:05:38,101 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2024 transitions. [2018-10-24 21:05:38,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-24 21:05:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2024 transitions. [2018-10-24 21:05:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-24 21:05:38,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:05:38,107 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 21:05:38,108 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:05:38,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:05:38,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1194693551, now seen corresponding path program 1 times [2018-10-24 21:05:38,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:05:38,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:05:38,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:05:38,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:05:38,110 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:05:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:05:38,433 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:05:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-24 21:05:38,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:05:38,561 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:05:38,561 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-10-24 21:05:38,561 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 21:05:38,566 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:05:38,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:05:39,802 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:05:52,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:05:52,765 INFO L272 AbstractInterpreter]: Visited 88 different actions 597 times. Merged at 7 different actions 47 times. Widened at 1 different actions 2 times. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-24 21:05:52,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:05:52,774 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:05:54,454 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 78.79% of their original sizes. [2018-10-24 21:05:54,454 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 21:06:04,425 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:06:04,429 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:06:04,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:06:04 BoogieIcfgContainer [2018-10-24 21:06:04,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:06:04,430 INFO L168 Benchmark]: Toolchain (without parser) took 228261.23 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 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-24 21:06:04,432 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:06:04,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.65 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:06:04,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:06:04,434 INFO L168 Benchmark]: Boogie Preprocessor took 125.75 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. [2018-10-24 21:06:04,435 INFO L168 Benchmark]: RCFGBuilder took 3374.44 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: 119.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:06:04,435 INFO L168 Benchmark]: TraceAbstraction took 223797.31 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-24 21:06:04,440 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.65 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 195.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.75 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 3374.44 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: 119.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223797.31 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 151]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 151). Cancelled while BasicCegarLoop was analyzing trace of length 208 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 12 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 223.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 161.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 391 SDtfs, 3491 SDslu, 291 SDs, 0 SdLazy, 2783 SolverSat, 927 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 157 GetRequests, 108 SyntacticMatches, 19 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1604occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 28.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9938320795613922 AbsIntWeakeningRatio, 0.1348973607038123 AbsIntAvgWeakeningVarsNumRemoved, 421.02932551319645 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 99 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 322 NumberOfCodeBlocks, 322 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 160219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 90/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown