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_label55_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:19:17,653 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:19:17,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:19:17,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:19:17,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:19:17,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:19:17,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:19:17,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:19:17,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:19:17,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:19:17,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:19:17,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:19:17,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:19:17,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:19:17,682 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:19:17,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:19:17,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:19:17,686 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:19:17,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:19:17,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:19:17,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:19:17,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:19:17,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 19:19:17,705 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 19:19:17,723 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:19:17,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:19:17,724 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:19:17,724 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:19:17,725 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:19:17,725 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:19:17,725 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:19:17,725 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:19:17,726 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:19:17,726 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:19:17,726 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:19:17,726 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:19:17,727 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:19:17,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:19:17,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:19:17,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:19:17,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:19:17,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:19:17,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:19:17,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:19:17,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:19:17,729 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:19:17,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:19:17,730 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:19:17,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:19:17,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:19:17,731 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:19:17,731 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:19:17,731 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:19:17,731 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:19:17,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:19:17,732 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:19:17,732 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:19:17,732 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:19:17,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:19:17,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:19:17,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:19:17,798 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:19:17,799 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:19:17,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-10-24 19:19:17,879 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/369a79351/79324ba29d144562a629891b0511b4b8/FLAGa2e990c3a [2018-10-24 19:19:18,550 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:19:18,551 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-10-24 19:19:18,570 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/369a79351/79324ba29d144562a629891b0511b4b8/FLAGa2e990c3a [2018-10-24 19:19:18,596 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/369a79351/79324ba29d144562a629891b0511b4b8 [2018-10-24 19:19:18,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:19:18,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:19:18,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:19:18,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:19:18,620 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:19:18,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:19:18" (1/1) ... [2018-10-24 19:19:18,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618e506f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:18, skipping insertion in model container [2018-10-24 19:19:18,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:19:18" (1/1) ... [2018-10-24 19:19:18,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:19:18,700 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:19:19,169 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:19:19,174 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:19:19,328 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:19:19,357 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:19:19,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19 WrapperNode [2018-10-24 19:19:19,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:19:19,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:19:19,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:19:19,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:19:19,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:19:19,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:19:19,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:19:19,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:19:19,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... [2018-10-24 19:19:19,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:19:19,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:19:19,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:19:19,751 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:19:19,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:19:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:19:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:19:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:19:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:19:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:19:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:19:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:19:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:19:23,592 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:19:23,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:19:23 BoogieIcfgContainer [2018-10-24 19:19:23,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:19:23,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:19:23,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:19:23,604 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:19:23,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:19:18" (1/3) ... [2018-10-24 19:19:23,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1c0d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:19:23, skipping insertion in model container [2018-10-24 19:19:23,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:19" (2/3) ... [2018-10-24 19:19:23,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1c0d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:19:23, skipping insertion in model container [2018-10-24 19:19:23,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:19:23" (3/3) ... [2018-10-24 19:19:23,609 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label55_true-unreach-call_false-termination.c [2018-10-24 19:19:23,620 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:19:23,635 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:19:23,654 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:19:23,695 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:19:23,695 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:19:23,695 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:19:23,695 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:19:23,696 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:19:23,696 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:19:23,696 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:19:23,696 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:19:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 19:19:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-24 19:19:23,745 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:19:23,746 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:19:23,749 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:19:23,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:19:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash 240629952, now seen corresponding path program 1 times [2018-10-24 19:19:23,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:19:23,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:23,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:19:23,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:23,809 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:19:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:19:24,507 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:19:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:19:24,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:19:24,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:19:24,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:19:24,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:19:24,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:19:24,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:19:24,695 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 19:19:26,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:19:26,499 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 19:19:26,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:19:26,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-10-24 19:19:26,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:19:26,524 INFO L225 Difference]: With dead ends: 550 [2018-10-24 19:19:26,524 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 19:19:26,531 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:19:26,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 19:19:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 19:19:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 19:19:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-10-24 19:19:26,609 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 118 [2018-10-24 19:19:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:19:26,610 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-10-24 19:19:26,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:19:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-10-24 19:19:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-24 19:19:26,619 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:19:26,620 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:19:26,620 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:19:26,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:19:26,621 INFO L82 PathProgramCache]: Analyzing trace with hash -617422281, now seen corresponding path program 1 times [2018-10-24 19:19:26,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:19:26,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:26,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:19:26,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:26,623 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:19:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:19:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:19:26,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:19:26,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:19:26,804 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:19:26,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:19:26,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:19:26,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:19:26,808 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-10-24 19:19:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:19:28,672 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-10-24 19:19:28,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:19:28,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-10-24 19:19:28,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:19:28,685 INFO L225 Difference]: With dead ends: 1079 [2018-10-24 19:19:28,686 INFO L226 Difference]: Without dead ends: 745 [2018-10-24 19:19:28,691 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 19:19:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-10-24 19:19:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-10-24 19:19:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-10-24 19:19:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-10-24 19:19:28,742 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 128 [2018-10-24 19:19:28,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:19:28,743 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-10-24 19:19:28,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:19:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-10-24 19:19:28,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 19:19:28,748 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:19:28,748 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:19:28,748 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:19:28,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:19:28,749 INFO L82 PathProgramCache]: Analyzing trace with hash 11496099, now seen corresponding path program 1 times [2018-10-24 19:19:28,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:19:28,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:28,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:19:28,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:28,751 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:19:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:19:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:19:29,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:19:29,165 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:19:29,167 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-10-24 19:19:29,169 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [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], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 19:19:29,253 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:19:29,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:19:38,842 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:19:38,844 INFO L272 AbstractInterpreter]: Visited 68 different actions 68 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-24 19:19:38,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:19:38,856 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:19:41,235 INFO L232 lantSequenceWeakener]: Weakened 83 states. On average, predicates are now at 79.74% of their original sizes. [2018-10-24 19:19:41,237 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:19:42,568 INFO L413 sIntCurrentIteration]: We have 137 unified AI predicates [2018-10-24 19:19:42,569 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:19:42,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:19:42,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-10-24 19:19:42,570 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:19:42,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 19:19:42,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 19:19:42,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-24 19:19:42,572 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 12 states. [2018-10-24 19:19:55,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:19:55,766 INFO L93 Difference]: Finished difference Result 1521 states and 2423 transitions. [2018-10-24 19:19:55,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 19:19:55,767 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-10-24 19:19:55,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:19:55,772 INFO L225 Difference]: With dead ends: 1521 [2018-10-24 19:19:55,772 INFO L226 Difference]: Without dead ends: 794 [2018-10-24 19:19:55,775 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-10-24 19:19:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2018-10-24 19:19:55,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2018-10-24 19:19:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2018-10-24 19:19:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1232 transitions. [2018-10-24 19:19:55,820 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1232 transitions. Word has length 138 [2018-10-24 19:19:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:19:55,821 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1232 transitions. [2018-10-24 19:19:55,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 19:19:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1232 transitions. [2018-10-24 19:19:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-24 19:19:55,826 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:19:55,826 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:19:55,829 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:19:55,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:19:55,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1720247914, now seen corresponding path program 1 times [2018-10-24 19:19:55,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:19:55,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:55,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:19:55,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:19:55,831 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:19:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:19:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:19:56,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:19:56,297 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:19:56,298 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-10-24 19:19:56,298 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [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], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 19:19:56,312 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:19:56,312 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:20:31,695 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:20:31,695 INFO L272 AbstractInterpreter]: Visited 122 different actions 187 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 19:20:31,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:20:31,705 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:20:39,539 INFO L232 lantSequenceWeakener]: Weakened 27 states. On average, predicates are now at 82.76% of their original sizes. [2018-10-24 19:20:39,539 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:22:26,228 INFO L413 sIntCurrentIteration]: We have 139 unified AI predicates [2018-10-24 19:22:26,228 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:22:26,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:22:26,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-10-24 19:22:26,229 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:22:26,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-24 19:22:26,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-24 19:22:26,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2018-10-24 19:22:26,231 INFO L87 Difference]: Start difference. First operand 794 states and 1232 transitions. Second operand 23 states. Received shutdown request... [2018-10-24 19:23:42,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-24 19:23:42,270 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:23:42,277 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:23:42,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:23:42 BoogieIcfgContainer [2018-10-24 19:23:42,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:23:42,278 INFO L168 Benchmark]: Toolchain (without parser) took 263668.54 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -538.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 19:23:42,279 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 19:23:42,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 19:23:42,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 250.61 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 711.5 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -796.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:23:42,282 INFO L168 Benchmark]: Boogie Preprocessor took 140.10 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 19:23:42,282 INFO L168 Benchmark]: RCFGBuilder took 3845.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-24 19:23:42,287 INFO L168 Benchmark]: TraceAbstraction took 258678.62 ms. Allocated memory was 2.2 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 110.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 19:23:42,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 250.61 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 711.5 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -796.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.10 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3845.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258678.62 ms. Allocated memory was 2.2 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 110.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 509]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 509). Cancelled while BasicCegarLoop was constructing difference of abstraction (794states) and FLOYD_HOARE automaton (currently 19 states, 23 states before enhancement),while ReachableStatesComputation was computing reachable states (47 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 258.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 92.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 471 SDtfs, 1295 SDslu, 385 SDs, 0 SdLazy, 1856 SolverSat, 397 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 304 GetRequests, 233 SyntacticMatches, 19 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 122.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=794occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 45.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9942853776363854 AbsIntWeakeningRatio, 0.2318840579710145 AbsIntAvgWeakeningVarsNumRemoved, 1104.659420289855 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 177726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 31/50 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown