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/Problem01_label33_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 21:11:46,623 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 21:11:46,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 21:11:46,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 21:11:46,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 21:11:46,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 21:11:46,640 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 21:11:46,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 21:11:46,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 21:11:46,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 21:11:46,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 21:11:46,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 21:11:46,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 21:11:46,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 21:11:46,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 21:11:46,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 21:11:46,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 21:11:46,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 21:11:46,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 21:11:46,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 21:11:46,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 21:11:46,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 21:11:46,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 21:11:46,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 21:11:46,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 21:11:46,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 21:11:46,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 21:11:46,665 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 21:11:46,666 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 21:11:46,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 21:11:46,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 21:11:46,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 21:11:46,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 21:11:46,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 21:11:46,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 21:11:46,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 21:11:46,671 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 [2018-10-23 21:11:46,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 21:11:46,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 21:11:46,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 21:11:46,687 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 21:11:46,687 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 21:11:46,687 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 21:11:46,687 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 21:11:46,688 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 21:11:46,688 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 21:11:46,688 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 21:11:46,688 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 21:11:46,688 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 21:11:46,689 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 21:11:46,689 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 21:11:46,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 21:11:46,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 21:11:46,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 21:11:46,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 21:11:46,690 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 21:11:46,690 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 21:11:46,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 21:11:46,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 21:11:46,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 21:11:46,691 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 21:11:46,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 21:11:46,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 21:11:46,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 21:11:46,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 21:11:46,692 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 21:11:46,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 21:11:46,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 21:11:46,693 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 21:11:46,693 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 21:11:46,693 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 21:11:46,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 21:11:46,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 21:11:46,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 21:11:46,757 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 21:11:46,757 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 21:11:46,758 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33_false-unreach-call_false-termination.c [2018-10-23 21:11:46,819 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/dd1b4eee1/f09338ad354c47729cb4200f6f262d39/FLAGd91d79b02 [2018-10-23 21:11:47,393 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 21:11:47,394 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label33_false-unreach-call_false-termination.c [2018-10-23 21:11:47,425 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/dd1b4eee1/f09338ad354c47729cb4200f6f262d39/FLAGd91d79b02 [2018-10-23 21:11:47,454 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/dd1b4eee1/f09338ad354c47729cb4200f6f262d39 [2018-10-23 21:11:47,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 21:11:47,469 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 21:11:47,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 21:11:47,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 21:11:47,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 21:11:47,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:11:47" (1/1) ... [2018-10-23 21:11:47,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19780353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:47, skipping insertion in model container [2018-10-23 21:11:47,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:11:47" (1/1) ... [2018-10-23 21:11:47,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 21:11:47,569 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 21:11:48,030 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 21:11:48,035 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 21:11:48,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 21:11:48,187 INFO L193 MainTranslator]: Completed translation [2018-10-23 21:11:48,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48 WrapperNode [2018-10-23 21:11:48,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 21:11:48,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 21:11:48,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 21:11:48,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 21:11:48,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 21:11:48,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 21:11:48,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 21:11:48,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 21:11:48,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (1/1) ... [2018-10-23 21:11:48,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 21:11:48,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 21:11:48,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 21:11:48,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 21:11:48,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (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 [2018-10-23 21:11:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 21:11:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 21:11:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 21:11:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 21:11:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 21:11:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 21:11:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 21:11:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 21:11:51,634 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 21:11:51,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:11:51 BoogieIcfgContainer [2018-10-23 21:11:51,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 21:11:51,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 21:11:51,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 21:11:51,640 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 21:11:51,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:11:47" (1/3) ... [2018-10-23 21:11:51,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8c9dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:11:51, skipping insertion in model container [2018-10-23 21:11:51,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:11:48" (2/3) ... [2018-10-23 21:11:51,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8c9dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:11:51, skipping insertion in model container [2018-10-23 21:11:51,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:11:51" (3/3) ... [2018-10-23 21:11:51,644 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label33_false-unreach-call_false-termination.c [2018-10-23 21:11:51,655 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 21:11:51,665 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 21:11:51,683 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 21:11:51,722 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 21:11:51,722 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 21:11:51,722 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 21:11:51,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 21:11:51,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 21:11:51,723 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 21:11:51,723 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 21:11:51,723 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 21:11:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-23 21:11:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-23 21:11:51,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:11:51,770 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] [2018-10-23 21:11:51,773 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:11:51,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:11:51,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1595865960, now seen corresponding path program 1 times [2018-10-23 21:11:51,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:11:51,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:51,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:11:51,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:51,844 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:11:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:11:52,446 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 21:11:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:11:52,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 21:11:52,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 21:11:52,586 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:11:52,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 21:11:52,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 21:11:52,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 21:11:52,615 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-23 21:11:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 21:11:54,077 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-23 21:11:54,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 21:11:54,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-10-23 21:11:54,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 21:11:54,097 INFO L225 Difference]: With dead ends: 550 [2018-10-23 21:11:54,097 INFO L226 Difference]: Without dead ends: 340 [2018-10-23 21:11:54,104 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 21:11:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-23 21:11:54,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-23 21:11:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-23 21:11:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-10-23 21:11:54,175 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 84 [2018-10-23 21:11:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 21:11:54,177 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-10-23 21:11:54,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 21:11:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-10-23 21:11:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-23 21:11:54,183 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:11:54,184 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 21:11:54,184 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:11:54,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:11:54,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1870262519, now seen corresponding path program 1 times [2018-10-23 21:11:54,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:11:54,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:54,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:11:54,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:54,187 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:11:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:11:54,422 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 21:11:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:11:54,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 21:11:54,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 21:11:54,600 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:11:54,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 21:11:54,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 21:11:54,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 21:11:54,603 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-10-23 21:11:56,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 21:11:56,294 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-10-23 21:11:56,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 21:11:56,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-10-23 21:11:56,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 21:11:56,308 INFO L225 Difference]: With dead ends: 1075 [2018-10-23 21:11:56,308 INFO L226 Difference]: Without dead ends: 741 [2018-10-23 21:11:56,316 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 21:11:56,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-23 21:11:56,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-23 21:11:56,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-23 21:11:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-10-23 21:11:56,373 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 95 [2018-10-23 21:11:56,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 21:11:56,373 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-10-23 21:11:56,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 21:11:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-10-23 21:11:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-23 21:11:56,378 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:11:56,378 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 21:11:56,379 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:11:56,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:11:56,379 INFO L82 PathProgramCache]: Analyzing trace with hash -792393397, now seen corresponding path program 1 times [2018-10-23 21:11:56,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:11:56,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:56,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:11:56,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:56,381 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:11:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:11:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:11:56,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 21:11:56,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 21:11:56,552 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:11:56,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 21:11:56,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 21:11:56,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 21:11:56,553 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 3 states. [2018-10-23 21:11:58,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 21:11:58,121 INFO L93 Difference]: Finished difference Result 1877 states and 2955 transitions. [2018-10-23 21:11:58,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 21:11:58,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-10-23 21:11:58,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 21:11:58,138 INFO L225 Difference]: With dead ends: 1877 [2018-10-23 21:11:58,138 INFO L226 Difference]: Without dead ends: 1159 [2018-10-23 21:11:58,147 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 21:11:58,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2018-10-23 21:11:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1156. [2018-10-23 21:11:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2018-10-23 21:11:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1649 transitions. [2018-10-23 21:11:58,216 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1649 transitions. Word has length 96 [2018-10-23 21:11:58,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 21:11:58,217 INFO L481 AbstractCegarLoop]: Abstraction has 1156 states and 1649 transitions. [2018-10-23 21:11:58,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 21:11:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1649 transitions. [2018-10-23 21:11:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-23 21:11:58,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:11:58,226 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 21:11:58,226 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:11:58,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:11:58,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1004701968, now seen corresponding path program 1 times [2018-10-23 21:11:58,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:11:58,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:58,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:11:58,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:11:58,229 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:11:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:11:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:11:58,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 21:11:58,706 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 21:11:58,707 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 118 with the following transitions: [2018-10-23 21:11:58,710 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [309], [311], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-23 21:11:58,783 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 21:11:58,784 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 21:12:36,367 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 21:12:36,368 INFO L272 AbstractInterpreter]: Visited 88 different actions 153 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-23 21:12:36,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:12:36,380 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 21:12:43,006 INFO L232 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 80.45% of their original sizes. [2018-10-23 21:12:43,007 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 21:13:03,231 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 21:13:03,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 21:13:03,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-10-23 21:13:03,233 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:13:03,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-23 21:13:03,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-23 21:13:03,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-10-23 21:13:03,234 INFO L87 Difference]: Start difference. First operand 1156 states and 1649 transitions. Second operand 14 states. Received shutdown request... [2018-10-23 21:15:52,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-23 21:15:52,893 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 21:15:52,899 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 21:15:52,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:15:52 BoogieIcfgContainer [2018-10-23 21:15:52,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 21:15:52,900 INFO L168 Benchmark]: Toolchain (without parser) took 245431.97 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 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 379.4 MB. Max. memory is 7.1 GB. [2018-10-23 21:15:52,901 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-23 21:15:52,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.11 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-10-23 21:15:52,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 211.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2018-10-23 21:15:52,904 INFO L168 Benchmark]: Boogie Preprocessor took 109.52 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-23 21:15:52,904 INFO L168 Benchmark]: RCFGBuilder took 3124.90 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: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2018-10-23 21:15:52,905 INFO L168 Benchmark]: TraceAbstraction took 241263.15 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 315.3 MB. Max. memory is 7.1 GB. [2018-10-23 21:15:52,910 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.11 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 211.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.52 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3124.90 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: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241263.15 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 315.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 407]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 407). Cancelled while BasicCegarLoop was constructing difference of abstraction (1156states) and FLOYD_HOARE automaton (currently 21 states, 14 states before enhancement),while ReachableStatesComputation was computing reachable states (598 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 241.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 174.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 386 SDtfs, 1446 SDslu, 205 SDs, 0 SdLazy, 2119 SolverSat, 551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 34.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1156occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 37.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9923705394689415 AbsIntWeakeningRatio, 0.3017241379310345 AbsIntAvgWeakeningVarsNumRemoved, 210.0344827586207 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 90195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 54/56 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown