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/Problem15_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:41:25,102 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:41:25,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:41:25,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:41:25,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:41:25,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:41:25,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:41:25,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:41:25,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:41:25,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:41:25,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:41:25,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:41:25,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:41:25,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:41:25,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:41:25,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:41:25,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:41:25,135 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:41:25,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:41:25,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:41:25,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:41:25,141 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:41:25,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:41:25,144 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:41:25,144 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:41:25,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:41:25,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:41:25,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:41:25,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:41:25,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:41:25,149 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:41:25,150 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 18:41:25,153 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 18:41:25,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:41:25,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:41:25,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:41:25,170 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:41:25,170 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:41:25,170 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:41:25,170 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:41:25,170 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:41:25,171 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:41:25,173 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:41:25,173 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:41:25,173 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:41:25,174 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:41:25,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:41:25,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:41:25,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:41:25,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:41:25,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:41:25,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:41:25,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:41:25,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:41:25,176 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:41:25,176 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:41:25,176 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:41:25,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:41:25,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:41:25,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:41:25,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:41:25,177 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:41:25,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:41:25,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:41:25,178 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:41:25,178 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:41:25,178 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:41:25,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:41:25,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:41:25,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:41:25,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:41:25,244 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:41:25,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c [2018-10-24 18:41:25,315 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5354e29c5/a881d067641a463aa274f94b6fd8c9de/FLAG4a90a4cd8 [2018-10-24 18:41:26,055 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:41:26,056 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c [2018-10-24 18:41:26,083 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5354e29c5/a881d067641a463aa274f94b6fd8c9de/FLAG4a90a4cd8 [2018-10-24 18:41:26,100 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5354e29c5/a881d067641a463aa274f94b6fd8c9de [2018-10-24 18:41:26,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:41:26,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:41:26,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:41:26,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:41:26,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:41:26,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:41:26" (1/1) ... [2018-10-24 18:41:26,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128929bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:26, skipping insertion in model container [2018-10-24 18:41:26,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:41:26" (1/1) ... [2018-10-24 18:41:26,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:41:26,242 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:41:27,115 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:41:27,121 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:41:27,415 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:41:27,439 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:41:27,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27 WrapperNode [2018-10-24 18:41:27,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:41:27,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:41:27,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:41:27,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:41:27,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:27,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:27,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:41:27,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:41:27,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:41:27,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:41:27,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:27,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:27,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:27,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:27,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:28,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:28,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (1/1) ... [2018-10-24 18:41:28,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:41:28,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:41:28,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:41:28,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:41:28,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (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 18:41:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:41:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:41:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:41:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:41:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:41:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:41:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:41:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:41:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:41:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:41:34,391 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:41:34,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:41:34 BoogieIcfgContainer [2018-10-24 18:41:34,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:41:34,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:41:34,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:41:34,397 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:41:34,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:41:26" (1/3) ... [2018-10-24 18:41:34,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9b5f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:41:34, skipping insertion in model container [2018-10-24 18:41:34,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:41:27" (2/3) ... [2018-10-24 18:41:34,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9b5f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:41:34, skipping insertion in model container [2018-10-24 18:41:34,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:41:34" (3/3) ... [2018-10-24 18:41:34,401 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label51_false-unreach-call.c [2018-10-24 18:41:34,412 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:41:34,422 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:41:34,440 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:41:34,483 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:41:34,483 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:41:34,483 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:41:34,483 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:41:34,483 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:41:34,484 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:41:34,484 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:41:34,484 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:41:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 18:41:34,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-24 18:41:34,529 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:41:34,530 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] [2018-10-24 18:41:34,532 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:41:34,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:41:34,538 INFO L82 PathProgramCache]: Analyzing trace with hash -839788423, now seen corresponding path program 1 times [2018-10-24 18:41:34,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:41:34,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:34,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:41:34,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:34,596 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:41:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:41:35,026 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 18:41:35,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:41:35,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 18:41:35,032 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:41:35,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 18:41:35,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 18:41:35,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:41:35,063 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 18:41:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:41:42,980 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 18:41:42,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 18:41:42,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-10-24 18:41:42,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:41:43,018 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 18:41:43,019 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 18:41:43,028 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:41:43,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 18:41:43,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-10-24 18:41:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-10-24 18:41:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-10-24 18:41:43,141 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 23 [2018-10-24 18:41:43,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:41:43,141 INFO L481 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-10-24 18:41:43,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 18:41:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-10-24 18:41:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-24 18:41:43,147 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:41:43,147 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:41:43,148 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:41:43,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:41:43,148 INFO L82 PathProgramCache]: Analyzing trace with hash 56116685, now seen corresponding path program 1 times [2018-10-24 18:41:43,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:41:43,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:43,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:41:43,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:43,150 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:41:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:41:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:41:43,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:41:43,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 18:41:43,374 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:41:43,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 18:41:43,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 18:41:43,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:41:43,377 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-10-24 18:41:49,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:41:49,217 INFO L93 Difference]: Finished difference Result 2755 states and 5131 transitions. [2018-10-24 18:41:49,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 18:41:49,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-10-24 18:41:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:41:49,245 INFO L225 Difference]: With dead ends: 2755 [2018-10-24 18:41:49,245 INFO L226 Difference]: Without dead ends: 2002 [2018-10-24 18:41:49,254 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:41:49,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-10-24 18:41:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1999. [2018-10-24 18:41:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-10-24 18:41:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3228 transitions. [2018-10-24 18:41:49,355 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3228 transitions. Word has length 93 [2018-10-24 18:41:49,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:41:49,356 INFO L481 AbstractCegarLoop]: Abstraction has 1999 states and 3228 transitions. [2018-10-24 18:41:49,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 18:41:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3228 transitions. [2018-10-24 18:41:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-24 18:41:49,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:41:49,372 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:41:49,372 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:41:49,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:41:49,372 INFO L82 PathProgramCache]: Analyzing trace with hash 425082147, now seen corresponding path program 1 times [2018-10-24 18:41:49,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:41:49,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:49,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:41:49,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:49,375 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:41:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:41:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:41:49,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:41:49,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:41:49,795 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:41:49,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:41:49,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:41:49,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:41:49,796 INFO L87 Difference]: Start difference. First operand 1999 states and 3228 transitions. Second operand 5 states. [2018-10-24 18:41:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:41:58,192 INFO L93 Difference]: Finished difference Result 5997 states and 9873 transitions. [2018-10-24 18:41:58,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:41:58,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-10-24 18:41:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:41:58,221 INFO L225 Difference]: With dead ends: 5997 [2018-10-24 18:41:58,221 INFO L226 Difference]: Without dead ends: 4004 [2018-10-24 18:41:58,233 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:41:58,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2018-10-24 18:41:58,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3960. [2018-10-24 18:41:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2018-10-24 18:41:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 5739 transitions. [2018-10-24 18:41:58,364 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 5739 transitions. Word has length 140 [2018-10-24 18:41:58,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:41:58,364 INFO L481 AbstractCegarLoop]: Abstraction has 3960 states and 5739 transitions. [2018-10-24 18:41:58,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:41:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 5739 transitions. [2018-10-24 18:41:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-24 18:41:58,378 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:41:58,378 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 18:41:58,379 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:41:58,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:41:58,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1628164462, now seen corresponding path program 1 times [2018-10-24 18:41:58,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:41:58,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:58,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:41:58,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:41:58,381 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:41:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:41:59,785 WARN L179 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-10-24 18:42:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 247 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-24 18:42:00,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:42:00,307 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:42:00,308 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 405 with the following transitions: [2018-10-24 18:42:00,311 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [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], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 18:42:00,411 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:42:00,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:42:05,257 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:42:05,259 INFO L272 AbstractInterpreter]: Visited 207 different actions 207 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 18:42:05,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:42:05,302 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:42:08,393 INFO L232 lantSequenceWeakener]: Weakened 393 states. On average, predicates are now at 77.4% of their original sizes. [2018-10-24 18:42:08,393 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:42:09,051 INFO L413 sIntCurrentIteration]: We have 403 unified AI predicates [2018-10-24 18:42:09,051 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:42:09,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:42:09,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2018-10-24 18:42:09,053 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:42:09,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 18:42:09,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 18:42:09,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:42:09,055 INFO L87 Difference]: Start difference. First operand 3960 states and 5739 transitions. Second operand 8 states. [2018-10-24 18:42:12,951 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:43:01,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:43:01,723 INFO L93 Difference]: Finished difference Result 8224 states and 11810 transitions. [2018-10-24 18:43:01,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:43:01,724 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 404 [2018-10-24 18:43:01,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:43:01,745 INFO L225 Difference]: With dead ends: 8224 [2018-10-24 18:43:01,745 INFO L226 Difference]: Without dead ends: 4270 [2018-10-24 18:43:01,879 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 405 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:43:01,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2018-10-24 18:43:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 4268. [2018-10-24 18:43:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4268 states. [2018-10-24 18:43:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 6056 transitions. [2018-10-24 18:43:01,993 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 6056 transitions. Word has length 404 [2018-10-24 18:43:01,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:43:01,994 INFO L481 AbstractCegarLoop]: Abstraction has 4268 states and 6056 transitions. [2018-10-24 18:43:01,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 18:43:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 6056 transitions. [2018-10-24 18:43:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2018-10-24 18:43:02,011 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:43:02,011 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:02,012 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:43:02,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:43:02,012 INFO L82 PathProgramCache]: Analyzing trace with hash 2047758871, now seen corresponding path program 1 times [2018-10-24 18:43:02,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:43:02,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:43:02,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:43:02,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:43:02,016 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:43:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:43:02,566 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 5 [2018-10-24 18:43:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-10-24 18:43:02,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:43:02,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 18:43:02,637 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:43:02,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 18:43:02,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 18:43:02,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:43:02,638 INFO L87 Difference]: Start difference. First operand 4268 states and 6056 transitions. Second operand 4 states. [2018-10-24 18:43:09,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:43:09,142 INFO L93 Difference]: Finished difference Result 15393 states and 22721 transitions. [2018-10-24 18:43:09,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 18:43:09,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 478 [2018-10-24 18:43:09,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:43:09,184 INFO L225 Difference]: With dead ends: 15393 [2018-10-24 18:43:09,184 INFO L226 Difference]: Without dead ends: 7644 [2018-10-24 18:43:09,246 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:43:09,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states. [2018-10-24 18:43:09,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 7642. [2018-10-24 18:43:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7642 states. [2018-10-24 18:43:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7642 states to 7642 states and 9570 transitions. [2018-10-24 18:43:09,432 INFO L78 Accepts]: Start accepts. Automaton has 7642 states and 9570 transitions. Word has length 478 [2018-10-24 18:43:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:43:09,433 INFO L481 AbstractCegarLoop]: Abstraction has 7642 states and 9570 transitions. [2018-10-24 18:43:09,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 18:43:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7642 states and 9570 transitions. [2018-10-24 18:43:09,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2018-10-24 18:43:09,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:43:09,450 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:09,450 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:43:09,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:43:09,451 INFO L82 PathProgramCache]: Analyzing trace with hash -622847793, now seen corresponding path program 1 times [2018-10-24 18:43:09,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:43:09,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:43:09,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:43:09,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:43:09,452 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:43:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:43:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 222 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:43:10,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:43:10,786 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:43:10,787 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 509 with the following transitions: [2018-10-24 18:43:10,788 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [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], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [872], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 18:43:10,802 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:43:10,803 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:43:18,880 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:43:39,681 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:43:39,682 INFO L272 AbstractInterpreter]: Visited 284 different actions 840 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 18:43:39,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:43:39,689 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:43:44,734 INFO L232 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 78.34% of their original sizes. [2018-10-24 18:43:44,735 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:43:59,078 INFO L413 sIntCurrentIteration]: We have 507 unified AI predicates [2018-10-24 18:43:59,078 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:43:59,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:43:59,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [16] total 41 [2018-10-24 18:43:59,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:43:59,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-24 18:43:59,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-24 18:43:59,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2018-10-24 18:43:59,082 INFO L87 Difference]: Start difference. First operand 7642 states and 9570 transitions. Second operand 27 states. Received shutdown request... [2018-10-24 18:45:24,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 18:45:24,009 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:45:24,015 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:45:24,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:45:24 BoogieIcfgContainer [2018-10-24 18:45:24,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:45:24,016 INFO L168 Benchmark]: Toolchain (without parser) took 237904.01 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 363.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:45:24,017 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-24 18:45:24,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1325.60 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:45:24,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 431.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -866.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:45:24,019 INFO L168 Benchmark]: Boogie Preprocessor took 207.79 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:45:24,020 INFO L168 Benchmark]: RCFGBuilder took 6312.70 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 7.1 GB. [2018-10-24 18:45:24,021 INFO L168 Benchmark]: TraceAbstraction took 229621.34 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 3.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2018-10-24 18:45:24,026 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1325.60 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 431.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -866.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 207.79 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6312.70 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 229621.34 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 3.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 55). Cancelled while BasicCegarLoop was constructing difference of abstraction (7642states) and FLOYD_HOARE automaton (currently 10 states, 27 states before enhancement),while ReachableStatesComputation was computing reachable states (152 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 229.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 166.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1674 SDtfs, 5416 SDslu, 973 SDs, 0 SdLazy, 9283 SolverSat, 2179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 943 GetRequests, 892 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7642occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 33.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9971273291925464 AbsIntWeakeningRatio, 0.07032967032967033 AbsIntAvgWeakeningVarsNumRemoved, 657.5846153846154 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 406 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1646 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1640 ConstructedInterpolants, 0 QuantifiedInterpolants, 3545151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 834/989 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown