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/Problem18_label45_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:57:23,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:57:23,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:57:23,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:57:23,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:57:23,631 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:57:23,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:57:23,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:57:23,638 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:57:23,639 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:57:23,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:57:23,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:57:23,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:57:23,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:57:23,651 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:57:23,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:57:23,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:57:23,658 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:57:23,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:57:23,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:57:23,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:57:23,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:57:23,672 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 22:57:23,684 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 22:57:23,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:57:23,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:57:23,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:57:23,706 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:57:23,706 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:57:23,706 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:57:23,706 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:57:23,706 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:57:23,707 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:57:23,707 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:57:23,707 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:57:23,707 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:57:23,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:57:23,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:57:23,708 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:57:23,708 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:57:23,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:57:23,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:57:23,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:57:23,709 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:57:23,709 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:57:23,710 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:57:23,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:57:23,710 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:57:23,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:57:23,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:57:23,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:57:23,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:57:23,711 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:57:23,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:57:23,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:57:23,711 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:57:23,712 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:57:23,712 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:57:23,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:57:23,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:57:23,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:57:23,778 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:57:23,779 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:57:23,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label45_false-unreach-call.c [2018-10-23 22:57:23,847 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f80312a05/f946fc32dcdd4bb2a28eb8232f33c12d/FLAG9361e27eb [2018-10-23 22:57:24,615 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:57:24,616 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label45_false-unreach-call.c [2018-10-23 22:57:24,647 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f80312a05/f946fc32dcdd4bb2a28eb8232f33c12d/FLAG9361e27eb [2018-10-23 22:57:24,667 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f80312a05/f946fc32dcdd4bb2a28eb8232f33c12d [2018-10-23 22:57:24,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:57:24,683 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:57:24,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:57:24,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:57:24,691 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:57:24,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:57:24" (1/1) ... [2018-10-23 22:57:24,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331e493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:24, skipping insertion in model container [2018-10-23 22:57:24,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:57:24" (1/1) ... [2018-10-23 22:57:24,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:57:24,865 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:57:25,921 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:57:25,926 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:57:26,415 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:57:26,447 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:57:26,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26 WrapperNode [2018-10-23 22:57:26,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:57:26,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:57:26,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:57:26,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:57:26,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:26,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:57:27,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:57:27,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:57:27,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:57:27,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... [2018-10-23 22:57:27,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:57:27,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:57:27,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:57:27,253 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:57:27,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:57:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:57:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:57:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-23 22:57:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-23 22:57:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 22:57:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 22:57:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:57:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:57:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:57:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:57:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:57:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:57:35,946 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:57:35,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:57:35 BoogieIcfgContainer [2018-10-23 22:57:35,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:57:35,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:57:35,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:57:35,954 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:57:35,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:57:24" (1/3) ... [2018-10-23 22:57:35,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbc0eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:57:35, skipping insertion in model container [2018-10-23 22:57:35,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:57:26" (2/3) ... [2018-10-23 22:57:35,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbc0eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:57:35, skipping insertion in model container [2018-10-23 22:57:35,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:57:35" (3/3) ... [2018-10-23 22:57:35,958 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label45_false-unreach-call.c [2018-10-23 22:57:35,968 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:57:35,979 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:57:35,997 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:57:36,047 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:57:36,047 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:57:36,047 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:57:36,047 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:57:36,047 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:57:36,048 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:57:36,048 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:57:36,048 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:57:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-10-23 22:57:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-23 22:57:36,102 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:36,104 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] [2018-10-23 22:57:36,106 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:36,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:36,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1137979268, now seen corresponding path program 1 times [2018-10-23 22:57:36,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:36,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:36,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:36,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:36,171 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:36,612 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:57:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:36,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:57:36,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 22:57:36,737 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:36,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 22:57:36,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 22:57:36,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:57:36,766 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 3 states. [2018-10-23 22:57:43,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:57:43,566 INFO L93 Difference]: Finished difference Result 2251 states and 4322 transitions. [2018-10-23 22:57:43,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 22:57:43,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-23 22:57:43,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:57:43,602 INFO L225 Difference]: With dead ends: 2251 [2018-10-23 22:57:43,602 INFO L226 Difference]: Without dead ends: 1474 [2018-10-23 22:57:43,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:57:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-10-23 22:57:43,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1474. [2018-10-23 22:57:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-10-23 22:57:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2721 transitions. [2018-10-23 22:57:43,765 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2721 transitions. Word has length 36 [2018-10-23 22:57:43,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:57:43,766 INFO L481 AbstractCegarLoop]: Abstraction has 1474 states and 2721 transitions. [2018-10-23 22:57:43,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 22:57:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2721 transitions. [2018-10-23 22:57:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-23 22:57:43,773 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:43,774 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:57:43,774 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:43,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:43,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1760382179, now seen corresponding path program 1 times [2018-10-23 22:57:43,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:43,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:43,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:43,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:43,777 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:44,129 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:57:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:44,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:57:44,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:57:44,233 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:44,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:57:44,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:57:44,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:57:44,236 INFO L87 Difference]: Start difference. First operand 1474 states and 2721 transitions. Second operand 6 states. [2018-10-23 22:57:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:57:57,812 INFO L93 Difference]: Finished difference Result 4419 states and 8244 transitions. [2018-10-23 22:57:57,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:57:57,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-23 22:57:57,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:57:57,835 INFO L225 Difference]: With dead ends: 4419 [2018-10-23 22:57:57,835 INFO L226 Difference]: Without dead ends: 2951 [2018-10-23 22:57:57,842 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:57:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2018-10-23 22:57:57,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2928. [2018-10-23 22:57:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2928 states. [2018-10-23 22:57:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5087 transitions. [2018-10-23 22:57:57,944 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5087 transitions. Word has length 125 [2018-10-23 22:57:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:57:57,945 INFO L481 AbstractCegarLoop]: Abstraction has 2928 states and 5087 transitions. [2018-10-23 22:57:57,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:57:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5087 transitions. [2018-10-23 22:57:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-23 22:57:57,951 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:57:57,952 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:57:57,952 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:57:57,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:57:57,952 INFO L82 PathProgramCache]: Analyzing trace with hash 439541734, now seen corresponding path program 1 times [2018-10-23 22:57:57,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:57:57,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:57,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:57:57,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:57:57,954 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:57:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:57:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:57:58,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:57:58,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:57:58,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:57:58,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:57:58,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:57:58,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:57:58,314 INFO L87 Difference]: Start difference. First operand 2928 states and 5087 transitions. Second operand 6 states. [2018-10-23 22:58:07,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:58:07,696 INFO L93 Difference]: Finished difference Result 10194 states and 17948 transitions. [2018-10-23 22:58:07,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:58:07,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-10-23 22:58:07,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:58:07,746 INFO L225 Difference]: With dead ends: 10194 [2018-10-23 22:58:07,747 INFO L226 Difference]: Without dead ends: 7272 [2018-10-23 22:58:07,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:58:07,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2018-10-23 22:58:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 7208. [2018-10-23 22:58:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7208 states. [2018-10-23 22:58:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7208 states to 7208 states and 11881 transitions. [2018-10-23 22:58:08,015 INFO L78 Accepts]: Start accepts. Automaton has 7208 states and 11881 transitions. Word has length 172 [2018-10-23 22:58:08,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:58:08,016 INFO L481 AbstractCegarLoop]: Abstraction has 7208 states and 11881 transitions. [2018-10-23 22:58:08,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:58:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 7208 states and 11881 transitions. [2018-10-23 22:58:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-23 22:58:08,020 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:58:08,020 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:58:08,021 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:58:08,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:58:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1837933570, now seen corresponding path program 1 times [2018-10-23 22:58:08,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:58:08,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:08,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:58:08,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:08,023 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:58:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:58:08,325 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:58:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:58:08,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:58:08,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:58:08,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:58:08,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:58:08,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:58:08,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:58:08,766 INFO L87 Difference]: Start difference. First operand 7208 states and 11881 transitions. Second operand 6 states. [2018-10-23 22:58:14,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:58:14,302 INFO L93 Difference]: Finished difference Result 17365 states and 29107 transitions. [2018-10-23 22:58:14,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:58:14,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-23 22:58:14,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:58:14,360 INFO L225 Difference]: With dead ends: 17365 [2018-10-23 22:58:14,360 INFO L226 Difference]: Without dead ends: 10163 [2018-10-23 22:58:14,388 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:58:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2018-10-23 22:58:14,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 10108. [2018-10-23 22:58:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10108 states. [2018-10-23 22:58:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 14258 transitions. [2018-10-23 22:58:14,653 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 14258 transitions. Word has length 174 [2018-10-23 22:58:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:58:14,654 INFO L481 AbstractCegarLoop]: Abstraction has 10108 states and 14258 transitions. [2018-10-23 22:58:14,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:58:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 14258 transitions. [2018-10-23 22:58:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-23 22:58:14,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:58:14,662 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:58:14,662 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:58:14,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:58:14,662 INFO L82 PathProgramCache]: Analyzing trace with hash 268481184, now seen corresponding path program 1 times [2018-10-23 22:58:14,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:58:14,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:14,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:58:14,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:14,664 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:58:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:58:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-23 22:58:14,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:58:14,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:58:14,952 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:58:14,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:58:14,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:58:14,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:58:14,953 INFO L87 Difference]: Start difference. First operand 10108 states and 14258 transitions. Second operand 4 states. [2018-10-23 22:58:23,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:58:23,114 INFO L93 Difference]: Finished difference Result 28811 states and 41798 transitions. [2018-10-23 22:58:23,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:58:23,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2018-10-23 22:58:23,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:58:23,204 INFO L225 Difference]: With dead ends: 28811 [2018-10-23 22:58:23,204 INFO L226 Difference]: Without dead ends: 18709 [2018-10-23 22:58:23,250 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:58:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18709 states. [2018-10-23 22:58:23,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18709 to 18709. [2018-10-23 22:58:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18709 states. [2018-10-23 22:58:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18709 states to 18709 states and 25926 transitions. [2018-10-23 22:58:23,684 INFO L78 Accepts]: Start accepts. Automaton has 18709 states and 25926 transitions. Word has length 232 [2018-10-23 22:58:23,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:58:23,685 INFO L481 AbstractCegarLoop]: Abstraction has 18709 states and 25926 transitions. [2018-10-23 22:58:23,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:58:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 18709 states and 25926 transitions. [2018-10-23 22:58:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-23 22:58:23,703 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:58:23,704 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:58:23,704 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:58:23,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:58:23,705 INFO L82 PathProgramCache]: Analyzing trace with hash -418391288, now seen corresponding path program 1 times [2018-10-23 22:58:23,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:58:23,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:23,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:58:23,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:58:23,709 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:58:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:58:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 133 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 22:58:24,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:58:24,145 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:58:24,147 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-10-23 22:58:24,152 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1811], [1813], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2264], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2368], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-23 22:58:24,248 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:58:24,249 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:58:28,208 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:58:28,270 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:58:28,272 INFO L272 AbstractInterpreter]: Visited 138 different actions 138 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-23 22:58:28,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:58:28,291 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:58:30,855 INFO L232 lantSequenceWeakener]: Weakened 268 states. On average, predicates are now at 77.65% of their original sizes. [2018-10-23 22:58:30,855 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:58:31,270 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:58:31,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:58:31,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-10-23 22:58:31,272 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:58:31,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 22:58:31,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 22:58:31,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-23 22:58:31,273 INFO L87 Difference]: Start difference. First operand 18709 states and 25926 transitions. Second operand 7 states. [2018-10-23 22:59:36,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:59:36,975 INFO L93 Difference]: Finished difference Result 38117 states and 52714 transitions. [2018-10-23 22:59:36,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:59:36,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 276 [2018-10-23 22:59:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:59:37,036 INFO L225 Difference]: With dead ends: 38117 [2018-10-23 22:59:37,037 INFO L226 Difference]: Without dead ends: 19414 [2018-10-23 22:59:37,071 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 276 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-23 22:59:37,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19414 states. [2018-10-23 22:59:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19414 to 19412. [2018-10-23 22:59:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19412 states. [2018-10-23 22:59:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19412 states to 19412 states and 26641 transitions. [2018-10-23 22:59:37,435 INFO L78 Accepts]: Start accepts. Automaton has 19412 states and 26641 transitions. Word has length 276 [2018-10-23 22:59:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:59:37,435 INFO L481 AbstractCegarLoop]: Abstraction has 19412 states and 26641 transitions. [2018-10-23 22:59:37,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 22:59:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 19412 states and 26641 transitions. [2018-10-23 22:59:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-10-23 22:59:37,459 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:59:37,459 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:59:37,460 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:59:37,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:37,460 INFO L82 PathProgramCache]: Analyzing trace with hash -41660661, now seen corresponding path program 1 times [2018-10-23 22:59:37,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:59:37,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:37,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:59:37,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:59:37,462 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:59:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:59:38,040 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:59:38,237 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:59:38,458 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:59:38,884 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-23 22:59:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 146 proven. 283 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 22:59:39,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:59:39,598 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:59:39,598 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 464 with the following transitions: [2018-10-23 22:59:39,599 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1811], [1813], [1816], [1824], [1832], [1840], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2264], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2368], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-10-23 22:59:39,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:59:39,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:59:42,177 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:59:52,454 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:59:52,455 INFO L272 AbstractInterpreter]: Visited 196 different actions 385 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-23 22:59:52,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:59:52,489 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:59:57,797 INFO L232 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 77.55% of their original sizes. [2018-10-23 22:59:57,798 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 23:00:52,312 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 23:00:52,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 23:00:52,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [11] total 26 [2018-10-23 23:00:52,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:00:52,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-23 23:00:52,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-23 23:00:52,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2018-10-23 23:00:52,315 INFO L87 Difference]: Start difference. First operand 19412 states and 26641 transitions. Second operand 17 states. Received shutdown request... [2018-10-23 23:01:03,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 23:01:03,279 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:01:03,284 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:01:03,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:01:03 BoogieIcfgContainer [2018-10-23 23:01:03,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:01:03,285 INFO L168 Benchmark]: Toolchain (without parser) took 218604.47 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -231.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-23 23:01:03,286 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:01:03,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1763.61 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: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:01:03,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 580.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 813.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -996.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:01:03,289 INFO L168 Benchmark]: Boogie Preprocessor took 223.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2018-10-23 23:01:03,289 INFO L168 Benchmark]: RCFGBuilder took 8695.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 512.2 MB). Peak memory consumption was 512.2 MB. Max. memory is 7.1 GB. [2018-10-23 23:01:03,290 INFO L168 Benchmark]: TraceAbstraction took 207334.36 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 89.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-23 23:01:03,295 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1763.61 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: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 580.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 813.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -996.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 223.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8695.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 512.2 MB). Peak memory consumption was 512.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207334.36 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 89.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 96). Cancelled while BasicCegarLoop was constructing difference of abstraction (19412states) and FLOYD_HOARE automaton (currently 9 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (31 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 207.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 120.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2556 SDtfs, 12085 SDslu, 772 SDs, 0 SdLazy, 22966 SolverSat, 6329 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 782 GetRequests, 626 SyntacticMatches, 107 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 56.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19412occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 17.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9966840697697283 AbsIntWeakeningRatio, 0.07869742198100407 AbsIntAvgWeakeningVarsNumRemoved, 349.4925373134328 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 144 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1478 NumberOfCodeBlocks, 1478 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 2259927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 523/833 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown