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/Problem02_label32_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:29:43,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:29:43,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:29:43,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:29:43,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:29:43,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:29:43,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:29:43,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:29:43,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:29:43,288 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:29:43,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:29:43,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:29:43,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:29:43,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:29:43,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:29:43,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:29:43,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:29:43,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:29:43,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:29:43,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:29:43,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:29:43,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:29:43,309 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 19:29:43,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 19:29:43,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 19:29:43,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 19:29:43,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 19:29:43,318 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 19:29:43,335 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:29:43,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:29:43,336 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:29:43,336 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:29:43,337 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:29:43,337 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:29:43,337 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:29:43,337 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:29:43,337 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:29:43,338 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:29:43,338 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:29:43,338 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:29:43,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:29:43,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:29:43,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:29:43,339 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:29:43,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:29:43,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:29:43,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:29:43,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:29:43,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:29:43,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:29:43,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:29:43,341 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:29:43,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:29:43,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:29:43,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:29:43,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:29:43,342 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:29:43,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:29:43,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:29:43,342 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:29:43,343 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:29:43,343 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:29:43,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:29:43,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:29:43,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:29:43,424 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:29:43,424 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:29:43,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-10-24 19:29:43,491 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3c90db4e9/0deb2ab1477140f6b0d481593928209d/FLAG5051e4594 [2018-10-24 19:29:44,113 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:29:44,115 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-10-24 19:29:44,129 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3c90db4e9/0deb2ab1477140f6b0d481593928209d/FLAG5051e4594 [2018-10-24 19:29:44,148 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3c90db4e9/0deb2ab1477140f6b0d481593928209d [2018-10-24 19:29:44,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:29:44,172 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:29:44,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:29:44,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:29:44,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:29:44,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:44,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cab73e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44, skipping insertion in model container [2018-10-24 19:29:44,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:44,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:29:44,279 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:29:44,740 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:29:44,746 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:29:44,880 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:29:44,900 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:29:44,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44 WrapperNode [2018-10-24 19:29:44,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:29:44,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:29:44,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:29:44,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:29:44,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:44,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:29:45,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:29:45,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:29:45,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:29:45,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (1/1) ... [2018-10-24 19:29:45,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:29:45,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:29:45,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:29:45,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:29:45,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (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 19:29:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:29:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:29:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:29:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:29:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:29:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:29:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:29:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:29:48,821 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:29:48,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:29:48 BoogieIcfgContainer [2018-10-24 19:29:48,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:29:48,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:29:48,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:29:48,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:29:48,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:29:44" (1/3) ... [2018-10-24 19:29:48,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15267600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:29:48, skipping insertion in model container [2018-10-24 19:29:48,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:29:44" (2/3) ... [2018-10-24 19:29:48,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15267600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:29:48, skipping insertion in model container [2018-10-24 19:29:48,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:29:48" (3/3) ... [2018-10-24 19:29:48,831 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-10-24 19:29:48,845 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:29:48,854 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:29:48,872 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:29:48,912 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:29:48,912 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:29:48,912 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:29:48,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:29:48,913 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:29:48,913 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:29:48,913 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:29:48,913 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:29:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-24 19:29:48,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-24 19:29:48,962 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:29:48,963 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:29:48,966 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:29:48,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:29:48,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1069812280, now seen corresponding path program 1 times [2018-10-24 19:29:48,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:29:49,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:29:49,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:29:49,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:29:49,033 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:29:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:29:49,661 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:29:49,884 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 19:29:49,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:29:49,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:29:49,888 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:29:49,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:29:49,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:29:49,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:29:49,917 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-24 19:29:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:29:51,770 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-10-24 19:29:51,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:29:51,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-10-24 19:29:51,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:29:51,793 INFO L225 Difference]: With dead ends: 626 [2018-10-24 19:29:51,793 INFO L226 Difference]: Without dead ends: 387 [2018-10-24 19:29:51,800 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 19:29:51,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-10-24 19:29:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-10-24 19:29:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-24 19:29:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-10-24 19:29:51,880 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 116 [2018-10-24 19:29:51,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:29:51,882 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-10-24 19:29:51,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:29:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-10-24 19:29:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-24 19:29:51,891 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:29:51,892 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:29:51,892 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:29:51,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:29:51,893 INFO L82 PathProgramCache]: Analyzing trace with hash 955548095, now seen corresponding path program 1 times [2018-10-24 19:29:51,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:29:51,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:29:51,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:29:51,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:29:51,895 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:29:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:29:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:29:52,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:29:52,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:29:52,134 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:29:52,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:29:52,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:29:52,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:29:52,138 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-10-24 19:29:54,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:29:54,006 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-10-24 19:29:54,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:29:54,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-10-24 19:29:54,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:29:54,020 INFO L225 Difference]: With dead ends: 1195 [2018-10-24 19:29:54,020 INFO L226 Difference]: Without dead ends: 818 [2018-10-24 19:29:54,026 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 19:29:54,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-10-24 19:29:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-10-24 19:29:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-10-24 19:29:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-10-24 19:29:54,092 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 137 [2018-10-24 19:29:54,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:29:54,093 INFO L481 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-10-24 19:29:54,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:29:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-10-24 19:29:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 19:29:54,099 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:29:54,100 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:29:54,100 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:29:54,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:29:54,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2005464109, now seen corresponding path program 1 times [2018-10-24 19:29:54,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:29:54,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:29:54,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:29:54,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:29:54,102 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:29:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:29:54,392 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:29:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 19:29:54,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:29:54,539 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:29:54,540 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-10-24 19:29:54,543 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-24 19:29:54,621 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:29:54,622 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:30:08,190 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:30:08,192 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-24 19:30:08,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:30:08,205 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:30:14,156 INFO L232 lantSequenceWeakener]: Weakened 121 states. On average, predicates are now at 81.37% of their original sizes. [2018-10-24 19:30:14,156 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:30:17,571 INFO L413 sIntCurrentIteration]: We have 137 unified AI predicates [2018-10-24 19:30:17,572 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:30:17,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:30:17,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [4] total 16 [2018-10-24 19:30:17,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:30:17,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-24 19:30:17,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-24 19:30:17,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-10-24 19:30:17,575 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 14 states. [2018-10-24 19:32:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:32:05,398 INFO L93 Difference]: Finished difference Result 1892 states and 3057 transitions. [2018-10-24 19:32:05,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-24 19:32:05,398 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-10-24 19:32:05,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:32:05,406 INFO L225 Difference]: With dead ends: 1892 [2018-10-24 19:32:05,406 INFO L226 Difference]: Without dead ends: 1099 [2018-10-24 19:32:05,410 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-10-24 19:32:05,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2018-10-24 19:32:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 946. [2018-10-24 19:32:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-10-24 19:32:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1448 transitions. [2018-10-24 19:32:05,510 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1448 transitions. Word has length 138 [2018-10-24 19:32:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:32:05,510 INFO L481 AbstractCegarLoop]: Abstraction has 946 states and 1448 transitions. [2018-10-24 19:32:05,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-24 19:32:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1448 transitions. [2018-10-24 19:32:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-24 19:32:05,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:32:05,515 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:32:05,516 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:32:05,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:32:05,516 INFO L82 PathProgramCache]: Analyzing trace with hash 227513460, now seen corresponding path program 1 times [2018-10-24 19:32:05,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:32:05,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:32:05,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:32:05,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:32:05,518 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:32:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:32:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:32:05,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:32:05,807 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:32:05,807 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-10-24 19:32:05,808 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-24 19:32:05,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:32:05,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:32:29,451 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:32:29,451 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-24 19:32:29,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:32:29,460 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:32:35,649 INFO L232 lantSequenceWeakener]: Weakened 60 states. On average, predicates are now at 82.22% of their original sizes. [2018-10-24 19:32:35,650 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 19:34:01,683 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:34:01,688 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:34:01,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:34:01 BoogieIcfgContainer [2018-10-24 19:34:01,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:34:01,689 INFO L168 Benchmark]: Toolchain (without parser) took 257518.94 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 810.2 MB. Max. memory is 7.1 GB. [2018-10-24 19:34:01,691 INFO L168 Benchmark]: CDTParser took 0.21 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 19:34:01,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 19:34:01,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 232.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -821.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:34:01,693 INFO L168 Benchmark]: Boogie Preprocessor took 80.79 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-10-24 19:34:01,694 INFO L168 Benchmark]: RCFGBuilder took 3605.78 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:34:01,695 INFO L168 Benchmark]: TraceAbstraction took 252865.29 ms. Allocated memory was 2.2 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -934.4 MB). Peak memory consumption was 741.8 MB. Max. memory is 7.1 GB. [2018-10-24 19:34:01,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 728.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 232.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -821.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.79 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3605.78 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252865.29 ms. Allocated memory was 2.2 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -934.4 MB). Peak memory consumption was 741.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 499]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 499). Cancelled while BasicCegarLoop was analyzing trace of length 149 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 16 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 252.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 111.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 507 SDtfs, 1985 SDslu, 400 SDs, 0 SdLazy, 1844 SolverSat, 574 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 165 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 37.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9944202913068739 AbsIntWeakeningRatio, 0.21830985915492956 AbsIntAvgWeakeningVarsNumRemoved, 784.7112676056338 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 176 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 157047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 20/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown