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/Problem01_label44_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 23:02:49,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 23:02:49,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 23:02:49,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 23:02:49,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 23:02:49,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 23:02:49,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 23:02:49,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 23:02:49,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 23:02:49,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 23:02:49,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 23:02:49,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 23:02:49,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 23:02:49,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 23:02:49,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 23:02:49,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 23:02:49,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 23:02:49,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 23:02:49,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 23:02:49,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 23:02:49,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 23:02:49,595 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 23:02:49,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 23:02:49,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 23:02:49,611 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 23:02:49,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 23:02:49,612 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 23:02:49,613 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 [2018-11-06 23:02:49,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 23:02:49,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 23:02:49,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 23:02:49,639 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-06 23:02:49,639 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-06 23:02:49,640 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-06 23:02:49,641 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-06 23:02:49,641 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-06 23:02:49,641 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-06 23:02:49,641 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-06 23:02:49,641 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-06 23:02:49,642 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-06 23:02:49,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 23:02:49,644 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 23:02:49,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 23:02:49,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 23:02:49,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 23:02:49,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 23:02:49,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 23:02:49,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 23:02:49,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 23:02:49,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 23:02:49,647 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 23:02:49,647 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 23:02:49,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 23:02:49,648 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 23:02:49,648 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 23:02:49,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 23:02:49,648 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-06 23:02:49,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 23:02:49,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 23:02:49,649 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 23:02:49,649 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 23:02:49,649 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-06 23:02:49,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 23:02:49,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 23:02:49,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 23:02:49,748 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 23:02:49,748 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 23:02:49,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label44_false-unreach-call_false-termination.c [2018-11-06 23:02:49,808 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd5ad81f/3cdc7fb2aad1404f8db5ff390bc7df4a/FLAGdca777564 [2018-11-06 23:02:50,404 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 23:02:50,408 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label44_false-unreach-call_false-termination.c [2018-11-06 23:02:50,427 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd5ad81f/3cdc7fb2aad1404f8db5ff390bc7df4a/FLAGdca777564 [2018-11-06 23:02:50,449 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd5ad81f/3cdc7fb2aad1404f8db5ff390bc7df4a [2018-11-06 23:02:50,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 23:02:50,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 23:02:50,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 23:02:50,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 23:02:50,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 23:02:50,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:50" (1/1) ... [2018-11-06 23:02:50,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f813bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:50, skipping insertion in model container [2018-11-06 23:02:50,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:50" (1/1) ... [2018-11-06 23:02:50,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 23:02:50,563 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 23:02:51,076 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:02:51,082 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 23:02:51,222 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:02:51,246 INFO L193 MainTranslator]: Completed translation [2018-11-06 23:02:51,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51 WrapperNode [2018-11-06 23:02:51,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 23:02:51,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 23:02:51,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 23:02:51,248 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 23:02:51,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 23:02:51,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 23:02:51,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 23:02:51,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 23:02:51,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 23:02:51,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 23:02:51,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 23:02:51,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 23:02:51,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (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 [2018-11-06 23:02:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 23:02:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-06 23:02:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-06 23:02:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-06 23:02:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-06 23:02:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 23:02:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 23:02:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-06 23:02:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-06 23:02:54,527 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 23:02:54,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:54 BoogieIcfgContainer [2018-11-06 23:02:54,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 23:02:54,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 23:02:54,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 23:02:54,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 23:02:54,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:50" (1/3) ... [2018-11-06 23:02:54,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57adeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:54, skipping insertion in model container [2018-11-06 23:02:54,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (2/3) ... [2018-11-06 23:02:54,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57adeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:54, skipping insertion in model container [2018-11-06 23:02:54,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:54" (3/3) ... [2018-11-06 23:02:54,537 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label44_false-unreach-call_false-termination.c [2018-11-06 23:02:54,547 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 23:02:54,559 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 23:02:54,576 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 23:02:54,615 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 23:02:54,615 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 23:02:54,616 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 23:02:54,616 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 23:02:54,616 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 23:02:54,616 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 23:02:54,616 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 23:02:54,617 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 23:02:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-06 23:02:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-06 23:02:54,656 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:02:54,658 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] [2018-11-06 23:02:54,662 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:02:54,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:02:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1327920739, now seen corresponding path program 1 times [2018-11-06 23:02:54,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:02:54,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:54,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:02:54,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:54,723 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:02:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:02:55,284 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:02:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:02:55,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:02:55,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 23:02:55,523 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:02:55,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 23:02:55,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 23:02:55,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 23:02:55,554 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-06 23:02:57,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:02:57,308 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-06 23:02:57,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 23:02:57,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-11-06 23:02:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:02:57,329 INFO L225 Difference]: With dead ends: 550 [2018-11-06 23:02:57,330 INFO L226 Difference]: Without dead ends: 340 [2018-11-06 23:02:57,336 INFO L604 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 [2018-11-06 23:02:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-06 23:02:57,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-06 23:02:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-06 23:02:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-06 23:02:57,434 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 91 [2018-11-06 23:02:57,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:02:57,435 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-06 23:02:57,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 23:02:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-06 23:02:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-06 23:02:57,443 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:02:57,446 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:02:57,447 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:02:57,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:02:57,448 INFO L82 PathProgramCache]: Analyzing trace with hash -382811042, now seen corresponding path program 1 times [2018-11-06 23:02:57,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:02:57,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:57,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:02:57,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:57,450 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:02:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:02:57,735 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:02:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:02:57,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:02:57,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-06 23:02:57,874 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:02:57,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 23:02:57,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 23:02:57,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-06 23:02:57,876 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-06 23:02:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:02:59,799 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-06 23:02:59,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 23:02:59,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-11-06 23:02:59,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:02:59,811 INFO L225 Difference]: With dead ends: 1075 [2018-11-06 23:02:59,811 INFO L226 Difference]: Without dead ends: 741 [2018-11-06 23:02:59,815 INFO L604 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 [2018-11-06 23:02:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-06 23:02:59,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-06 23:02:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-06 23:02:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-06 23:02:59,874 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 102 [2018-11-06 23:02:59,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:02:59,874 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-06 23:02:59,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 23:02:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-06 23:02:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-06 23:02:59,888 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:02:59,889 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:02:59,889 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:02:59,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:02:59,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1080334966, now seen corresponding path program 1 times [2018-11-06 23:02:59,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:02:59,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:59,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:02:59,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:59,891 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:02:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:03:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:03:00,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:03:00,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 23:03:00,098 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:03:00,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 23:03:00,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 23:03:00,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 23:03:00,100 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 3 states. [2018-11-06 23:03:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:03:01,741 INFO L93 Difference]: Finished difference Result 1890 states and 3042 transitions. [2018-11-06 23:03:01,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 23:03:01,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-11-06 23:03:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:03:01,751 INFO L225 Difference]: With dead ends: 1890 [2018-11-06 23:03:01,752 INFO L226 Difference]: Without dead ends: 1172 [2018-11-06 23:03:01,757 INFO L604 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 [2018-11-06 23:03:01,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2018-11-06 23:03:01,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1168. [2018-11-06 23:03:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2018-11-06 23:03:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1699 transitions. [2018-11-06 23:03:01,812 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1699 transitions. Word has length 103 [2018-11-06 23:03:01,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:03:01,812 INFO L480 AbstractCegarLoop]: Abstraction has 1168 states and 1699 transitions. [2018-11-06 23:03:01,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 23:03:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1699 transitions. [2018-11-06 23:03:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-06 23:03:01,819 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:03:01,819 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, 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] [2018-11-06 23:03:01,819 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:03:01,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:03:01,820 INFO L82 PathProgramCache]: Analyzing trace with hash -896363617, now seen corresponding path program 1 times [2018-11-06 23:03:01,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:03:01,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:03:01,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:03:01,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:03:01,822 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:03:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:03:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:03:02,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 23:03:02,072 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-06 23:03:02,073 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 136 with the following transitions: [2018-11-06 23:03:02,076 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [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], [313], [321], [329], [337], [345], [353], [361], [365], [367], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-06 23:03:02,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-06 23:03:02,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-06 23:03:39,827 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-06 23:03:39,829 INFO L272 AbstractInterpreter]: Visited 95 different actions 160 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-06 23:03:39,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:03:39,845 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-06 23:03:50,721 INFO L227 lantSequenceWeakener]: Weakened 25 states. On average, predicates are now at 81.2% of their original sizes. [2018-11-06 23:03:50,722 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-06 23:04:41,693 INFO L415 sIntCurrentIteration]: We unified 134 AI predicates to 134 [2018-11-06 23:04:41,694 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-06 23:04:41,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 23:04:41,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-06 23:04:41,695 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:04:41,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-06 23:04:41,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-06 23:04:41,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-11-06 23:04:41,696 INFO L87 Difference]: Start difference. First operand 1168 states and 1699 transitions. Second operand 15 states. Received shutdown request... [2018-11-06 23:07:12,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-06 23:07:12,223 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 23:07:12,229 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 23:07:12,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:07:12 BoogieIcfgContainer [2018-11-06 23:07:12,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 23:07:12,231 INFO L168 Benchmark]: Toolchain (without parser) took 261767.94 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 1.8 GB in the end (delta: -350.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-06 23:07:12,233 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. [2018-11-06 23:07:12,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:12,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -823.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:12,236 INFO L168 Benchmark]: Boogie Preprocessor took 113.38 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 23:07:12,237 INFO L168 Benchmark]: RCFGBuilder took 3013.77 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: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:12,238 INFO L168 Benchmark]: TraceAbstraction took 257700.98 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 1.8 GB in the end (delta: 323.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-06 23:07:12,243 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 782.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 152.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -823.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.38 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3013.77 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: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257700.98 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 1.8 GB in the end (delta: 323.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 428]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 428). Cancelled while BasicCegarLoop was constructing difference of abstraction (1168states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (547 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 257.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 155.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 378 SDtfs, 1512 SDslu, 204 SDs, 0 SdLazy, 2293 SolverSat, 548 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 163 GetRequests, 122 SyntacticMatches, 10 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 61.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1168occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 37.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9933953923760986 AbsIntWeakeningRatio, 0.26119402985074625 AbsIntAvgWeakeningVarsNumRemoved, 181.82089552238807 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 431 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 114523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 65/67 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown