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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 10:50:35,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 10:50:35,804 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 10:50:35,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 10:50:35,822 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 10:50:35,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 10:50:35,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 10:50:35,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 10:50:35,828 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 10:50:35,830 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 10:50:35,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 10:50:35,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 10:50:35,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 10:50:35,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 10:50:35,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 10:50:35,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 10:50:35,840 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 10:50:35,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 10:50:35,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 10:50:35,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 10:50:35,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 10:50:35,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 10:50:35,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-07 10:50:35,864 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-08-07 10:50:35,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 10:50:35,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 10:50:35,880 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 10:50:35,880 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 10:50:35,880 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 10:50:35,880 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 10:50:35,880 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 10:50:35,881 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-07 10:50:35,881 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 10:50:35,881 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 10:50:35,881 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-07 10:50:35,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 10:50:35,882 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 10:50:35,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 10:50:35,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 10:50:35,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 10:50:35,883 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 10:50:35,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 10:50:35,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 10:50:35,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 10:50:35,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 10:50:35,884 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 10:50:35,884 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 10:50:35,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 10:50:35,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 10:50:35,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 10:50:35,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 10:50:35,885 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-08-07 10:50:35,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 10:50:35,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 10:50:35,885 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 10:50:35,885 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 10:50:35,886 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 10:50:35,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 10:50:35,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 10:50:35,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 10:50:35,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 10:50:35,955 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 10:50:35,955 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-08-07 10:50:36,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df512229/1a5ed6394cdc4184b2d6dd5a889ca6d3/FLAGf344369d1 [2018-08-07 10:50:36,449 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 10:50:36,449 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-08-07 10:50:36,456 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df512229/1a5ed6394cdc4184b2d6dd5a889ca6d3/FLAGf344369d1 [2018-08-07 10:50:36,472 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df512229/1a5ed6394cdc4184b2d6dd5a889ca6d3 [2018-08-07 10:50:36,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 10:50:36,488 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 10:50:36,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 10:50:36,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 10:50:36,496 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 10:50:36,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccc3f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36, skipping insertion in model container [2018-08-07 10:50:36,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,660 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 10:50:36,703 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 10:50:36,719 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 10:50:36,736 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 10:50:36,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36 WrapperNode [2018-08-07 10:50:36,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 10:50:36,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 10:50:36,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 10:50:36,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 10:50:36,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 10:50:36,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 10:50:36,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 10:50:36,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 10:50:36,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (1/1) ... [2018-08-07 10:50:36,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 10:50:36,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 10:50:36,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 10:50:36,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 10:50:36,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (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 [2018-08-07 10:50:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 10:50:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 10:50:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 10:50:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 10:50:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 10:50:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 10:50:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-07 10:50:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-07 10:50:37,310 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 10:50:37,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:50:37 BoogieIcfgContainer [2018-08-07 10:50:37,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 10:50:37,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-07 10:50:37,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-07 10:50:37,316 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-07 10:50:37,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 10:50:36" (1/3) ... [2018-08-07 10:50:37,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53435b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:50:37, skipping insertion in model container [2018-08-07 10:50:37,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:50:36" (2/3) ... [2018-08-07 10:50:37,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53435b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:50:37, skipping insertion in model container [2018-08-07 10:50:37,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:50:37" (3/3) ... [2018-08-07 10:50:37,319 INFO L112 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-08-07 10:50:37,331 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-07 10:50:37,343 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-07 10:50:37,388 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-07 10:50:37,389 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-07 10:50:37,389 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-07 10:50:37,389 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-07 10:50:37,389 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-07 10:50:37,389 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-07 10:50:37,390 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-07 10:50:37,390 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-07 10:50:37,390 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-07 10:50:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-08-07 10:50:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-08-07 10:50:37,415 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 10:50:37,416 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 10:50:37,417 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 10:50:37,422 INFO L82 PathProgramCache]: Analyzing trace with hash 802506358, now seen corresponding path program 1 times [2018-08-07 10:50:37,425 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 10:50:37,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 10:50:37,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 10:50:37,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 10:50:37,475 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 10:50:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 10:50:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 10:50:37,663 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 10:50:37,663 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-07 10:50:37,663 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 10:50:37,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 10:50:37,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 10:50:37,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-08-07 10:50:37,682 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2018-08-07 10:50:37,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 10:50:37,927 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2018-08-07 10:50:37,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-07 10:50:37,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-08-07 10:50:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 10:50:37,937 INFO L225 Difference]: With dead ends: 53 [2018-08-07 10:50:37,937 INFO L226 Difference]: Without dead ends: 29 [2018-08-07 10:50:37,941 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-08-07 10:50:37,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-08-07 10:50:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-08-07 10:50:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-08-07 10:50:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-08-07 10:50:37,981 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 19 [2018-08-07 10:50:37,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 10:50:37,981 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-08-07 10:50:37,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 10:50:37,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-08-07 10:50:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-08-07 10:50:37,983 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 10:50:37,983 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 10:50:37,984 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 10:50:37,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1083684374, now seen corresponding path program 1 times [2018-08-07 10:50:37,984 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 10:50:37,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 10:50:37,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 10:50:37,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 10:50:37,986 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 10:50:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 10:50:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 10:50:38,357 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 10:50:38,357 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 10:50:38,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 10:50:38,369 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 10:50:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 10:50:38,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 10:50:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 10:50:38,474 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 10:50:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 10:50:38,587 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-08-07 10:50:38,587 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 11 [2018-08-07 10:50:38,587 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 10:50:38,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 10:50:38,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 10:50:38,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-08-07 10:50:38,590 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 6 states. [2018-08-07 10:50:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 10:50:38,815 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-08-07 10:50:38,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-07 10:50:38,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-08-07 10:50:38,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 10:50:38,820 INFO L225 Difference]: With dead ends: 40 [2018-08-07 10:50:38,820 INFO L226 Difference]: Without dead ends: 38 [2018-08-07 10:50:38,821 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-08-07 10:50:38,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-08-07 10:50:38,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-08-07 10:50:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-08-07 10:50:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-08-07 10:50:38,836 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 24 [2018-08-07 10:50:38,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 10:50:38,836 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-08-07 10:50:38,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 10:50:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-08-07 10:50:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-08-07 10:50:38,842 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 10:50:38,842 INFO L376 BasicCegarLoop]: trace histogram [4, 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] [2018-08-07 10:50:38,842 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 10:50:38,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1354781823, now seen corresponding path program 1 times [2018-08-07 10:50:38,843 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 10:50:38,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 10:50:38,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 10:50:38,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 10:50:38,844 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 10:50:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 10:50:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-08-07 10:50:39,066 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 10:50:39,066 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 10:50:39,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 10:50:39,083 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 10:50:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 10:50:39,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 10:50:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-08-07 10:50:39,611 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 10:50:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-08-07 10:50:39,925 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 10:50:39,925 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-08-07 10:50:39,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 10:50:39,947 INFO L292 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 10:50:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 10:50:39,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 10:50:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-08-07 10:50:40,055 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 10:50:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-08-07 10:50:40,137 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-08-07 10:50:40,137 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9] total 18 [2018-08-07 10:50:40,138 INFO L255 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-08-07 10:50:40,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-07 10:50:40,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-07 10:50:40,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-08-07 10:50:40,139 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 14 states. [2018-08-07 10:50:40,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 10:50:40,607 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-08-07 10:50:40,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-07 10:50:40,607 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-08-07 10:50:40,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 10:50:40,608 INFO L225 Difference]: With dead ends: 44 [2018-08-07 10:50:40,608 INFO L226 Difference]: Without dead ends: 0 [2018-08-07 10:50:40,610 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 142 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2018-08-07 10:50:40,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-08-07 10:50:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-08-07 10:50:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-08-07 10:50:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-08-07 10:50:40,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-08-07 10:50:40,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 10:50:40,611 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-08-07 10:50:40,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-07 10:50:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-08-07 10:50:40,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-08-07 10:50:40,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-08-07 10:50:40,784 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-08-07 10:50:40,785 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-08-07 10:50:40,785 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-08-07 10:50:40,785 INFO L425 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-08-07 10:50:40,785 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-08-07 10:50:40,785 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-08-07 10:50:40,785 INFO L422 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-08-07 10:50:40,786 INFO L418 ceAbstractionStarter]: At program point L35-4(lines 35 39) the Hoare annotation is: (and (<= (+ main_~p~0 (* 2 main_~ielen~0)) (+ main_~bufsize_0~0 (* 2 main_~i~0))) (<= 1 main_~leader_len~0) (<= 1 main_~p~0)) [2018-08-07 10:50:40,786 INFO L422 ceAbstractionStarter]: For program point mainEXIT(lines 10 42) no Hoare annotation was computed. [2018-08-07 10:50:40,786 INFO L422 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-08-07 10:50:40,786 INFO L425 ceAbstractionStarter]: At program point L40(lines 10 42) the Hoare annotation is: true [2018-08-07 10:50:40,786 INFO L418 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (and (<= (+ main_~p~0 (* 2 main_~ielen~0)) (+ main_~bufsize_0~0 (* 2 main_~i~0))) (<= 1 main_~leader_len~0) (<= (+ main_~p~0 2) main_~bufsize_0~0) (<= 1 main_~p~0)) [2018-08-07 10:50:40,786 INFO L418 ceAbstractionStarter]: At program point L36-1(line 36) the Hoare annotation is: (and (<= (+ main_~p~0 (* 2 main_~ielen~0)) (+ main_~bufsize_0~0 (* 2 main_~i~0))) (<= 1 main_~leader_len~0) (<= (+ main_~p~0 2) main_~bufsize_0~0) (<= 1 main_~p~0)) [2018-08-07 10:50:40,786 INFO L422 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L24-1(lines 11 42) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L25(lines 11 42) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L425 ceAbstractionStarter]: At program point mainENTRY(lines 10 42) the Hoare annotation is: true [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L26(lines 11 42) no Hoare annotation was computed. [2018-08-07 10:50:40,787 INFO L422 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-08-07 10:50:40,788 INFO L422 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-08-07 10:50:40,788 INFO L425 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-08-07 10:50:40,788 INFO L422 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-08-07 10:50:40,788 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-08-07 10:50:40,788 INFO L422 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-08-07 10:50:40,788 INFO L422 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-08-07 10:50:40,789 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-08-07 10:50:40,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 10:50:40 BoogieIcfgContainer [2018-08-07 10:50:40,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-07 10:50:40,803 INFO L168 Benchmark]: Toolchain (without parser) took 4316.65 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.0 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -561.0 MB). Peak memory consumption was 163.1 MB. Max. memory is 7.1 GB. [2018-08-07 10:50:40,805 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 10:50:40,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.70 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-08-07 10:50:40,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.39 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. [2018-08-07 10:50:40,808 INFO L168 Benchmark]: Boogie Preprocessor took 30.67 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. [2018-08-07 10:50:40,808 INFO L168 Benchmark]: RCFGBuilder took 494.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2018-08-07 10:50:40,810 INFO L168 Benchmark]: TraceAbstraction took 3490.33 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 204.6 MB). Peak memory consumption was 204.6 MB. Max. memory is 7.1 GB. [2018-08-07 10:50:40,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.70 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.39 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. * Boogie Preprocessor took 30.67 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. * RCFGBuilder took 494.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3490.33 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 204.6 MB). Peak memory consumption was 204.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (p + 2 * ielen <= bufsize_0 + 2 * i && 1 <= leader_len) && 1 <= p - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 29 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 80 SDtfs, 44 SDslu, 338 SDs, 0 SdLazy, 198 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 191 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 16 PreInvPairs, 28 NumberOfFragments, 70 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 156 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 272 ConstructedInterpolants, 2 QuantifiedInterpolants, 30565 SizeOfPredicates, 24 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 90/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-07_10-50-40-829.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-07_10-50-40-829.csv Received shutdown request...