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/Problem10_label12_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:05:26,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:05:26,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:05:26,077 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:05:26,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:05:26,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:05:26,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:05:26,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:05:26,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:05:26,088 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:05:26,089 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:05:26,090 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:05:26,091 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:05:26,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:05:26,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:05:26,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:05:26,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:05:26,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:05:26,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:05:26,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:05:26,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:05:26,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:05:26,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:05:26,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:05:26,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:05:26,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:05:26,120 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:05:26,121 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:05:26,122 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:05:26,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:05:26,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:05:26,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:05:26,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:05:26,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:05:26,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:05:26,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:05:26,129 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 18:05:26,154 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:05:26,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:05:26,155 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:05:26,156 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:05:26,156 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:05:26,156 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:05:26,156 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:05:26,156 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:05:26,157 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:05:26,157 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:05:26,157 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:05:26,157 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:05:26,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:05:26,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:05:26,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:05:26,159 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:05:26,159 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:05:26,160 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:05:26,160 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:05:26,160 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:05:26,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:05:26,160 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:05:26,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:05:26,161 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:05:26,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:05:26,161 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:05:26,162 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:05:26,162 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:05:26,162 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:05:26,162 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:05:26,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:05:26,163 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:05:26,163 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:05:26,163 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:05:26,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:05:26,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:05:26,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:05:26,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:05:26,235 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:05:26,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label12_false-unreach-call.c [2018-10-24 18:05:26,302 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/af0bb480a/ac0cfe5ac8aa4f09aa0af93a3895b412/FLAG8175e9b72 [2018-10-24 18:05:26,929 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:05:26,932 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label12_false-unreach-call.c [2018-10-24 18:05:26,947 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/af0bb480a/ac0cfe5ac8aa4f09aa0af93a3895b412/FLAG8175e9b72 [2018-10-24 18:05:26,964 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/af0bb480a/ac0cfe5ac8aa4f09aa0af93a3895b412 [2018-10-24 18:05:26,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:05:26,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:05:26,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:05:26,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:05:26,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:05:26,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:05:26" (1/1) ... [2018-10-24 18:05:26,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be2feca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:26, skipping insertion in model container [2018-10-24 18:05:26,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:05:26" (1/1) ... [2018-10-24 18:05:27,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:05:27,064 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:05:27,611 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:05:27,616 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:05:27,755 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:05:27,777 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:05:27,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27 WrapperNode [2018-10-24 18:05:27,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:05:27,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:05:27,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:05:27,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:05:27,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:27,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:27,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:05:27,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:05:27,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:05:27,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:05:27,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:27,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:28,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:28,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:28,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:28,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:28,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... [2018-10-24 18:05:28,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:05:28,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:05:28,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:05:28,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:05:28,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:05:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:05:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:05:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:05:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:05:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:05:31,413 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:05:31,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:05:31 BoogieIcfgContainer [2018-10-24 18:05:31,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:05:31,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:05:31,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:05:31,421 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:05:31,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:05:26" (1/3) ... [2018-10-24 18:05:31,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0077e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:05:31, skipping insertion in model container [2018-10-24 18:05:31,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:05:27" (2/3) ... [2018-10-24 18:05:31,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0077e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:05:31, skipping insertion in model container [2018-10-24 18:05:31,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:05:31" (3/3) ... [2018-10-24 18:05:31,425 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label12_false-unreach-call.c [2018-10-24 18:05:31,434 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:05:31,441 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:05:31,458 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:05:31,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:05:31,496 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:05:31,496 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:05:31,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:05:31,496 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:05:31,496 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:05:31,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:05:31,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:05:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-24 18:05:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-24 18:05:31,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:05:31,535 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:05:31,537 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:05:31,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:05:31,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1125399135, now seen corresponding path program 1 times [2018-10-24 18:05:31,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:05:31,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:05:31,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:05:31,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:05:31,603 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:05:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:05:31,998 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:05:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:05:32,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:05:32,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:05:32,092 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:05:32,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:05:32,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:05:32,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:05:32,117 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-24 18:05:33,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:05:33,976 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-24 18:05:33,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:05:33,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-24 18:05:33,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:05:34,002 INFO L225 Difference]: With dead ends: 574 [2018-10-24 18:05:34,002 INFO L226 Difference]: Without dead ends: 356 [2018-10-24 18:05:34,010 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 [2018-10-24 18:05:34,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-24 18:05:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-24 18:05:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-24 18:05:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 612 transitions. [2018-10-24 18:05:34,088 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 612 transitions. Word has length 19 [2018-10-24 18:05:34,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:05:34,089 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 612 transitions. [2018-10-24 18:05:34,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:05:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 612 transitions. [2018-10-24 18:05:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-24 18:05:34,095 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:05:34,095 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:05:34,096 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:05:34,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:05:34,096 INFO L82 PathProgramCache]: Analyzing trace with hash 407451016, now seen corresponding path program 1 times [2018-10-24 18:05:34,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:05:34,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:05:34,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:05:34,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:05:34,098 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:05:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:05:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 18:05:34,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:05:34,419 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:05:34,421 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 98 with the following transitions: [2018-10-24 18:05:34,423 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [53], [55], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 18:05:34,500 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:05:34,500 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:05:37,154 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:05:37,266 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:05:37,268 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 18:05:37,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:05:37,302 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:05:39,126 INFO L232 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 73.42% of their original sizes. [2018-10-24 18:05:39,127 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:05:41,449 INFO L413 sIntCurrentIteration]: We have 96 unified AI predicates [2018-10-24 18:05:41,449 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:05:41,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:05:41,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-10-24 18:05:41,451 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:05:41,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 18:05:41,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 18:05:41,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:05:41,453 INFO L87 Difference]: Start difference. First operand 356 states and 612 transitions. Second operand 10 states. [2018-10-24 18:06:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:06:45,608 INFO L93 Difference]: Finished difference Result 855 states and 1493 transitions. [2018-10-24 18:06:45,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 18:06:45,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2018-10-24 18:06:45,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:06:45,613 INFO L225 Difference]: With dead ends: 855 [2018-10-24 18:06:45,613 INFO L226 Difference]: Without dead ends: 505 [2018-10-24 18:06:45,616 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 100 GetRequests, 81 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-10-24 18:06:45,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-10-24 18:06:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 500. [2018-10-24 18:06:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-10-24 18:06:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 762 transitions. [2018-10-24 18:06:45,690 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 762 transitions. Word has length 97 [2018-10-24 18:06:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:06:45,690 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 762 transitions. [2018-10-24 18:06:45,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 18:06:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 762 transitions. [2018-10-24 18:06:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-24 18:06:45,697 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:06:45,697 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:06:45,698 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:06:45,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:06:45,698 INFO L82 PathProgramCache]: Analyzing trace with hash 922326170, now seen corresponding path program 1 times [2018-10-24 18:06:45,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:06:45,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:06:45,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:06:45,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:06:45,700 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:06:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:06:46,076 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:06:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-24 18:06:46,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:06:46,357 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:06:46,357 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-10-24 18:06:46,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [53], [55], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 18:06:46,369 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:06:46,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:06:46,982 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:06:55,449 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:06:55,450 INFO L272 AbstractInterpreter]: Visited 86 different actions 405 times. Merged at 5 different actions 19 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 18:06:55,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:06:55,458 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:06:56,573 INFO L232 lantSequenceWeakener]: Weakened 26 states. On average, predicates are now at 75.44% of their original sizes. [2018-10-24 18:06:56,574 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:07:03,324 INFO L413 sIntCurrentIteration]: We have 167 unified AI predicates [2018-10-24 18:07:03,324 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:07:03,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:07:03,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [4] total 22 [2018-10-24 18:07:03,325 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:07:03,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-24 18:07:03,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-24 18:07:03,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2018-10-24 18:07:03,326 INFO L87 Difference]: Start difference. First operand 500 states and 762 transitions. Second operand 20 states. Received shutdown request... [2018-10-24 18:09:24,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-24 18:09:24,893 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:09:24,897 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:09:24,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:09:24 BoogieIcfgContainer [2018-10-24 18:09:24,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:09:24,899 INFO L168 Benchmark]: Toolchain (without parser) took 237921.97 ms. Allocated memory was 1.6 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -991.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 18:09:24,900 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:09:24,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:09:24,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.89 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 18:09:24,903 INFO L168 Benchmark]: Boogie Preprocessor took 99.25 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:09:24,903 INFO L168 Benchmark]: RCFGBuilder took 3335.52 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 7.1 GB. [2018-10-24 18:09:24,904 INFO L168 Benchmark]: TraceAbstraction took 233482.11 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -305.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-24 18:09:24,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 200.89 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.25 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3335.52 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233482.11 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -305.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 40). Cancelled while BasicCegarLoop was constructing difference of abstraction (500states) and FLOYD_HOARE automaton (currently 28 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (1044 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 233.4s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 207.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 508 SDtfs, 1657 SDslu, 713 SDs, 0 SdLazy, 3753 SolverSat, 520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 288 GetRequests, 232 SyntacticMatches, 9 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.9s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9923265553535021 AbsIntWeakeningRatio, 0.17490494296577946 AbsIntAvgWeakeningVarsNumRemoved, 511.0874524714829 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 117809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 83/107 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown