java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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/Problem11_label17_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 02:55:18,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 02:55:18,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 02:55:18,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 02:55:18,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 02:55:18,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 02:55:18,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 02:55:18,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 02:55:18,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 02:55:18,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 02:55:18,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 02:55:18,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 02:55:18,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 02:55:18,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 02:55:18,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 02:55:18,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 02:55:18,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 02:55:18,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 02:55:18,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 02:55:18,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 02:55:18,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 02:55:18,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 02:55:18,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 02:55:18,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 02:55:18,512 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 02:55:18,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 02:55:18,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 02:55:18,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 02:55:18,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 02:55:18,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 02:55:18,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 02:55:18,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 02:55:18,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 02:55:18,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 02:55:18,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 02:55:18,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 02:55:18,521 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 02:55:18,539 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 02:55:18,539 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 02:55:18,540 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 02:55:18,540 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 02:55:18,540 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 02:55:18,541 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 02:55:18,541 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 02:55:18,541 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 02:55:18,541 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 02:55:18,541 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 02:55:18,542 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 02:55:18,542 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 02:55:18,543 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 02:55:18,543 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 02:55:18,543 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 02:55:18,543 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 02:55:18,543 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 02:55:18,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 02:55:18,544 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 02:55:18,544 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 02:55:18,544 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 02:55:18,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 02:55:18,545 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 02:55:18,545 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 02:55:18,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:55:18,545 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 02:55:18,546 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 02:55:18,546 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 02:55:18,546 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 02:55:18,546 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 02:55:18,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 02:55:18,547 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 02:55:18,547 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 02:55:18,547 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 02:55:18,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 02:55:18,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 02:55:18,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 02:55:18,621 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 02:55:18,621 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 02:55:18,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label17_true-unreach-call.c [2018-11-07 02:55:18,694 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c7ba80e/d2693e9fd0d14682ac2c2ac6d8b97b44/FLAGfc16dd46b [2018-11-07 02:55:19,374 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 02:55:19,381 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label17_true-unreach-call.c [2018-11-07 02:55:19,409 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c7ba80e/d2693e9fd0d14682ac2c2ac6d8b97b44/FLAGfc16dd46b [2018-11-07 02:55:19,429 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c7ba80e/d2693e9fd0d14682ac2c2ac6d8b97b44 [2018-11-07 02:55:19,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 02:55:19,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 02:55:19,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 02:55:19,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 02:55:19,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 02:55:19,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:55:19" (1/1) ... [2018-11-07 02:55:19,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1de55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:19, skipping insertion in model container [2018-11-07 02:55:19,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:55:19" (1/1) ... [2018-11-07 02:55:19,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 02:55:19,566 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 02:55:20,202 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:55:20,211 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 02:55:20,411 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:55:20,434 INFO L193 MainTranslator]: Completed translation [2018-11-07 02:55:20,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20 WrapperNode [2018-11-07 02:55:20,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 02:55:20,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 02:55:20,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 02:55:20,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 02:55:20,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 02:55:20,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 02:55:20,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 02:55:20,630 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 02:55:20,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... [2018-11-07 02:55:20,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 02:55:20,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 02:55:20,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 02:55:20,768 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 02:55:20,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 02:55:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 02:55:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 02:55:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 02:55:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 02:55:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 02:55:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 02:55:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 02:55:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 02:55:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 02:55:25,825 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 02:55:25,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:55:25 BoogieIcfgContainer [2018-11-07 02:55:25,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 02:55:25,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 02:55:25,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 02:55:25,834 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 02:55:25,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:55:19" (1/3) ... [2018-11-07 02:55:25,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f5764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:55:25, skipping insertion in model container [2018-11-07 02:55:25,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:55:20" (2/3) ... [2018-11-07 02:55:25,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f5764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:55:25, skipping insertion in model container [2018-11-07 02:55:25,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:55:25" (3/3) ... [2018-11-07 02:55:25,841 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label17_true-unreach-call.c [2018-11-07 02:55:25,853 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 02:55:25,865 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 02:55:25,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 02:55:25,923 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 02:55:25,924 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 02:55:25,924 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 02:55:25,924 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 02:55:25,924 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 02:55:25,924 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 02:55:25,925 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 02:55:25,925 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 02:55:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 02:55:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-07 02:55:25,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:55:25,967 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] [2018-11-07 02:55:25,970 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:55:25,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:55:25,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1654755049, now seen corresponding path program 1 times [2018-11-07 02:55:25,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:55:26,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:26,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:55:26,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:26,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:55:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:55:26,534 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 02:55:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:55:26,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:55:26,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 02:55:26,598 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:55:26,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 02:55:26,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 02:55:26,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 02:55:26,624 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-07 02:55:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:55:29,184 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-11-07 02:55:29,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 02:55:29,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-07 02:55:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:55:29,206 INFO L225 Difference]: With dead ends: 790 [2018-11-07 02:55:29,207 INFO L226 Difference]: Without dead ends: 495 [2018-11-07 02:55:29,215 INFO L604 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 [2018-11-07 02:55:29,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-07 02:55:29,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-11-07 02:55:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-11-07 02:55:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-11-07 02:55:29,326 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 45 [2018-11-07 02:55:29,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:55:29,327 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-11-07 02:55:29,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 02:55:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-11-07 02:55:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-07 02:55:29,335 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:55:29,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:55:29,336 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:55:29,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:55:29,337 INFO L82 PathProgramCache]: Analyzing trace with hash -5486104, now seen corresponding path program 1 times [2018-11-07 02:55:29,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:55:29,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:29,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:55:29,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:29,339 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:55:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:55:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:55:29,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:55:29,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 02:55:29,735 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:55:29,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 02:55:29,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 02:55:29,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 02:55:29,739 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-11-07 02:55:34,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:55:34,087 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-11-07 02:55:34,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 02:55:34,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-11-07 02:55:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:55:34,104 INFO L225 Difference]: With dead ends: 1731 [2018-11-07 02:55:34,104 INFO L226 Difference]: Without dead ends: 1249 [2018-11-07 02:55:34,112 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 02:55:34,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-11-07 02:55:34,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-11-07 02:55:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-11-07 02:55:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-11-07 02:55:34,208 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 121 [2018-11-07 02:55:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:55:34,209 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-11-07 02:55:34,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 02:55:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-11-07 02:55:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-07 02:55:34,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:55:34,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:55:34,214 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:55:34,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:55:34,215 INFO L82 PathProgramCache]: Analyzing trace with hash -423386729, now seen corresponding path program 1 times [2018-11-07 02:55:34,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:55:34,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:34,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:55:34,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:34,217 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:55:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:55:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:55:34,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:55:34,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 02:55:34,524 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:55:34,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 02:55:34,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 02:55:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 02:55:34,526 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-11-07 02:55:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:55:38,817 INFO L93 Difference]: Finished difference Result 3664 states and 6086 transitions. [2018-11-07 02:55:38,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 02:55:38,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-07 02:55:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:55:38,838 INFO L225 Difference]: With dead ends: 3664 [2018-11-07 02:55:38,838 INFO L226 Difference]: Without dead ends: 2638 [2018-11-07 02:55:38,847 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 02:55:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2018-11-07 02:55:38,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 2605. [2018-11-07 02:55:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-11-07 02:55:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3729 transitions. [2018-11-07 02:55:38,933 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3729 transitions. Word has length 132 [2018-11-07 02:55:38,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:55:38,936 INFO L480 AbstractCegarLoop]: Abstraction has 2605 states and 3729 transitions. [2018-11-07 02:55:38,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 02:55:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3729 transitions. [2018-11-07 02:55:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-07 02:55:38,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:55:38,941 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:55:38,943 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:55:38,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:55:38,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1552929811, now seen corresponding path program 1 times [2018-11-07 02:55:38,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:55:38,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:38,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:55:38,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:55:38,945 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:55:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:55:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:55:39,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:55:39,943 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:55:39,944 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-11-07 02:55:39,947 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], [261], [263], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 02:55:40,053 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:55:40,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:55:44,522 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:56:01,691 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:56:01,692 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 02:56:01,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:56:01,705 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:56:05,086 INFO L227 lantSequenceWeakener]: Weakened 17 states. On average, predicates are now at 78.28% of their original sizes. [2018-11-07 02:56:05,086 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:57:08,575 INFO L415 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-11-07 02:57:08,575 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:57:08,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:57:08,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [8] total 24 [2018-11-07 02:57:08,576 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:57:08,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 02:57:08,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 02:57:08,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-11-07 02:57:08,578 INFO L87 Difference]: Start difference. First operand 2605 states and 3729 transitions. Second operand 18 states. Received shutdown request... [2018-11-07 02:59:32,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 02:59:32,031 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 02:59:32,036 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 02:59:32,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:59:32 BoogieIcfgContainer [2018-11-07 02:59:32,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 02:59:32,037 INFO L168 Benchmark]: Toolchain (without parser) took 252592.49 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -264.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-07 02:59:32,038 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-07 02:59:32,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 988.48 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-11-07 02:59:32,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.52 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2018-11-07 02:59:32,042 INFO L168 Benchmark]: Boogie Preprocessor took 138.43 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 02:59:32,043 INFO L168 Benchmark]: RCFGBuilder took 5058.31 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 189.9 MB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. [2018-11-07 02:59:32,043 INFO L168 Benchmark]: TraceAbstraction took 246206.28 ms. Allocated memory was 2.2 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 309.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 02:59:32,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 988.48 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 192.52 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.43 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5058.31 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 189.9 MB). Peak memory consumption was 189.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246206.28 ms. Allocated memory was 2.2 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 309.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 120). Cancelled while BasicCegarLoop was constructing difference of abstraction (2605states) and FLOYD_HOARE automaton (currently 18 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (850 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 246.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 154.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 417 SDtfs, 3053 SDslu, 468 SDs, 0 SdLazy, 5315 SolverSat, 984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 208 GetRequests, 112 SyntacticMatches, 58 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 70.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2605occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9948893698893699 AbsIntWeakeningRatio, 0.13068181818181818 AbsIntAvgWeakeningVarsNumRemoved, 977.0340909090909 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 257 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 471 ConstructedInterpolants, 0 QuantifiedInterpolants, 289261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 108/114 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown