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/Problem12_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:20:26,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:20:26,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:20:26,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:20:26,293 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:20:26,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:20:26,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:20:26,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:20:26,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:20:26,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:20:26,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:20:26,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:20:26,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:20:26,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:20:26,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:20:26,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:20:26,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:20:26,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:20:26,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:20:26,310 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:20:26,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:20:26,313 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:20:26,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 01:20:26,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 01:20:26,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 01:20:26,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 01:20:26,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 01:20:26,320 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 01:20:26,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 01:20:26,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 01:20:26,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 01:20:26,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 01:20:26,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:20:26,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:20:26,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:20:26,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:20:26,332 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 01:20:26,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:20:26,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:20:26,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:20:26,357 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:20:26,357 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:20:26,357 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:20:26,357 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:20:26,359 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:20:26,359 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:20:26,359 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:20:26,359 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:20:26,359 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:20:26,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:20:26,360 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:20:26,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:20:26,361 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:20:26,361 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:20:26,361 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:20:26,361 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:20:26,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:20:26,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:20:26,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:20:26,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:20:26,364 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:20:26,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:20:26,364 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:20:26,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:20:26,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:20:26,365 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:20:26,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:20:26,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:20:26,365 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:20:26,365 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:20:26,365 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:20:26,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:20:26,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:20:26,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:20:26,454 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:20:26,454 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:20:26,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label53_true-unreach-call.c [2018-10-24 01:20:26,518 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/27f7934f1/d4545b03aff9439fa4dafe151fafef50/FLAGc29c1df2c [2018-10-24 01:20:27,330 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:20:27,331 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label53_true-unreach-call.c [2018-10-24 01:20:27,362 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/27f7934f1/d4545b03aff9439fa4dafe151fafef50/FLAGc29c1df2c [2018-10-24 01:20:27,378 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/27f7934f1/d4545b03aff9439fa4dafe151fafef50 [2018-10-24 01:20:27,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:20:27,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:20:27,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:20:27,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:20:27,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:20:27,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:20:27" (1/1) ... [2018-10-24 01:20:27,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1fe509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:27, skipping insertion in model container [2018-10-24 01:20:27,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:20:27" (1/1) ... [2018-10-24 01:20:27,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:20:27,598 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:20:28,995 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:20:29,001 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:20:29,628 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:20:29,665 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:20:29,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29 WrapperNode [2018-10-24 01:20:29,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:20:29,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:20:29,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:20:29,668 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:20:29,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:29,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:20:30,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:20:30,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:20:30,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:20:30,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (1/1) ... [2018-10-24 01:20:30,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:20:30,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:20:30,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:20:30,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:20:30,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (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 01:20:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:20:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:20:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 01:20:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 01:20:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 01:20:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 01:20:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:20:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:20:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:20:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:20:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:20:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:20:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:20:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:20:43,386 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:20:43,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:20:43 BoogieIcfgContainer [2018-10-24 01:20:43,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:20:43,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:20:43,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:20:43,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:20:43,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:20:27" (1/3) ... [2018-10-24 01:20:43,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e87a474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:20:43, skipping insertion in model container [2018-10-24 01:20:43,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:20:29" (2/3) ... [2018-10-24 01:20:43,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e87a474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:20:43, skipping insertion in model container [2018-10-24 01:20:43,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:20:43" (3/3) ... [2018-10-24 01:20:43,396 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label53_true-unreach-call.c [2018-10-24 01:20:43,406 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:20:43,417 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:20:43,436 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:20:43,483 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:20:43,484 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:20:43,484 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:20:43,484 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:20:43,484 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:20:43,484 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:20:43,484 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:20:43,485 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:20:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-24 01:20:43,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 01:20:43,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:20:43,535 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:20:43,538 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:20:43,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:20:43,546 INFO L82 PathProgramCache]: Analyzing trace with hash 761764731, now seen corresponding path program 1 times [2018-10-24 01:20:43,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:20:43,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:43,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:20:43,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:43,611 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:20:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:20:43,981 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:20:44,104 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 01:20:44,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:20:44,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:20:44,107 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:20:44,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:20:44,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:20:44,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:20:44,133 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-10-24 01:20:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:20:55,085 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-10-24 01:20:55,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:20:55,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-24 01:20:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:20:55,124 INFO L225 Difference]: With dead ends: 2446 [2018-10-24 01:20:55,124 INFO L226 Difference]: Without dead ends: 1604 [2018-10-24 01:20:55,148 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 01:20:55,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-10-24 01:20:55,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-10-24 01:20:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-24 01:20:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2909 transitions. [2018-10-24 01:20:55,358 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2909 transitions. Word has length 39 [2018-10-24 01:20:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:20:55,359 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2909 transitions. [2018-10-24 01:20:55,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:20:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2909 transitions. [2018-10-24 01:20:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 01:20:55,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:20:55,372 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:20:55,373 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:20:55,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:20:55,374 INFO L82 PathProgramCache]: Analyzing trace with hash 48271764, now seen corresponding path program 1 times [2018-10-24 01:20:55,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:20:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:55,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:20:55,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:55,376 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:20:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:20:55,773 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:20:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:20:55,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:20:55,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:20:55,831 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:20:55,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:20:55,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:20:55,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:20:55,835 INFO L87 Difference]: Start difference. First operand 1604 states and 2909 transitions. Second operand 5 states. [2018-10-24 01:20:59,143 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-24 01:21:06,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:21:06,464 INFO L93 Difference]: Finished difference Result 4818 states and 8826 transitions. [2018-10-24 01:21:06,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:21:06,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2018-10-24 01:21:06,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:21:06,489 INFO L225 Difference]: With dead ends: 4818 [2018-10-24 01:21:06,489 INFO L226 Difference]: Without dead ends: 3220 [2018-10-24 01:21:06,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:21:06,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2018-10-24 01:21:06,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3186. [2018-10-24 01:21:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3186 states. [2018-10-24 01:21:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 5594 transitions. [2018-10-24 01:21:06,607 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 5594 transitions. Word has length 113 [2018-10-24 01:21:06,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:21:06,607 INFO L481 AbstractCegarLoop]: Abstraction has 3186 states and 5594 transitions. [2018-10-24 01:21:06,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:21:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 5594 transitions. [2018-10-24 01:21:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-24 01:21:06,611 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:21:06,612 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:21:06,612 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:21:06,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:21:06,612 INFO L82 PathProgramCache]: Analyzing trace with hash 111124109, now seen corresponding path program 1 times [2018-10-24 01:21:06,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:21:06,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:06,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:21:06,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:06,614 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:21:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:21:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:21:06,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:21:06,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:21:06,868 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:21:06,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:21:06,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:21:06,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:21:06,869 INFO L87 Difference]: Start difference. First operand 3186 states and 5594 transitions. Second operand 6 states. [2018-10-24 01:21:21,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:21:21,445 INFO L93 Difference]: Finished difference Result 11148 states and 19850 transitions. [2018-10-24 01:21:21,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:21:21,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-10-24 01:21:21,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:21:21,500 INFO L225 Difference]: With dead ends: 11148 [2018-10-24 01:21:21,501 INFO L226 Difference]: Without dead ends: 7968 [2018-10-24 01:21:21,516 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:21:21,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7968 states. [2018-10-24 01:21:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7968 to 7924. [2018-10-24 01:21:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7924 states. [2018-10-24 01:21:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7924 states to 7924 states and 13424 transitions. [2018-10-24 01:21:21,727 INFO L78 Accepts]: Start accepts. Automaton has 7924 states and 13424 transitions. Word has length 118 [2018-10-24 01:21:21,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:21:21,728 INFO L481 AbstractCegarLoop]: Abstraction has 7924 states and 13424 transitions. [2018-10-24 01:21:21,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:21:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7924 states and 13424 transitions. [2018-10-24 01:21:21,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 01:21:21,732 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:21:21,732 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:21:21,732 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:21:21,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:21:21,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1028890595, now seen corresponding path program 1 times [2018-10-24 01:21:21,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:21:21,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:21,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:21:21,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:21,734 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:21:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:21:22,036 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:21:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:21:22,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:21:22,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:21:22,413 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:21:22,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:21:22,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:21:22,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:21:22,414 INFO L87 Difference]: Start difference. First operand 7924 states and 13424 transitions. Second operand 6 states. [2018-10-24 01:21:35,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:21:35,528 INFO L93 Difference]: Finished difference Result 22224 states and 38004 transitions. [2018-10-24 01:21:35,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:21:35,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-10-24 01:21:35,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:21:35,602 INFO L225 Difference]: With dead ends: 22224 [2018-10-24 01:21:35,602 INFO L226 Difference]: Without dead ends: 14306 [2018-10-24 01:21:35,640 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:21:35,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14306 states. [2018-10-24 01:21:35,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14306 to 14219. [2018-10-24 01:21:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14219 states. [2018-10-24 01:21:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14219 states to 14219 states and 21550 transitions. [2018-10-24 01:21:35,958 INFO L78 Accepts]: Start accepts. Automaton has 14219 states and 21550 transitions. Word has length 126 [2018-10-24 01:21:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:21:35,958 INFO L481 AbstractCegarLoop]: Abstraction has 14219 states and 21550 transitions. [2018-10-24 01:21:35,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:21:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14219 states and 21550 transitions. [2018-10-24 01:21:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-24 01:21:35,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:21:35,965 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:21:35,966 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:21:35,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:21:35,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1371846736, now seen corresponding path program 1 times [2018-10-24 01:21:35,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:21:35,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:35,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:21:35,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:35,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:21:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:21:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:21:36,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:21:36,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:21:36,466 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:21:36,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:21:36,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:21:36,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:21:36,470 INFO L87 Difference]: Start difference. First operand 14219 states and 21550 transitions. Second operand 6 states. [2018-10-24 01:21:56,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:21:56,199 INFO L93 Difference]: Finished difference Result 56456 states and 95976 transitions. [2018-10-24 01:21:56,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 01:21:56,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-10-24 01:21:56,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:21:56,443 INFO L225 Difference]: With dead ends: 56456 [2018-10-24 01:21:56,443 INFO L226 Difference]: Without dead ends: 42243 [2018-10-24 01:21:56,562 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:21:56,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42243 states. [2018-10-24 01:21:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42243 to 42003. [2018-10-24 01:21:57,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42003 states. [2018-10-24 01:21:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42003 states to 42003 states and 62980 transitions. [2018-10-24 01:21:57,803 INFO L78 Accepts]: Start accepts. Automaton has 42003 states and 62980 transitions. Word has length 143 [2018-10-24 01:21:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:21:57,804 INFO L481 AbstractCegarLoop]: Abstraction has 42003 states and 62980 transitions. [2018-10-24 01:21:57,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:21:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 42003 states and 62980 transitions. [2018-10-24 01:21:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-24 01:21:57,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:21:57,811 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:21:57,811 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:21:57,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:21:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1505829769, now seen corresponding path program 1 times [2018-10-24 01:21:57,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:21:57,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:57,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:21:57,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:21:57,816 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:21:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:21:58,455 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:21:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:21:58,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:21:58,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:21:58,734 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:21:58,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:21:58,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:21:58,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:21:58,736 INFO L87 Difference]: Start difference. First operand 42003 states and 62980 transitions. Second operand 6 states. [2018-10-24 01:22:10,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:22:10,925 INFO L93 Difference]: Finished difference Result 104625 states and 165914 transitions. [2018-10-24 01:22:10,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:22:10,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-24 01:22:10,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:22:11,184 INFO L225 Difference]: With dead ends: 104625 [2018-10-24 01:22:11,184 INFO L226 Difference]: Without dead ends: 62628 [2018-10-24 01:22:11,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:22:11,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62628 states. [2018-10-24 01:22:12,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62628 to 62378. [2018-10-24 01:22:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62378 states. [2018-10-24 01:22:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62378 states to 62378 states and 87792 transitions. [2018-10-24 01:22:12,677 INFO L78 Accepts]: Start accepts. Automaton has 62378 states and 87792 transitions. Word has length 164 [2018-10-24 01:22:12,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:22:12,682 INFO L481 AbstractCegarLoop]: Abstraction has 62378 states and 87792 transitions. [2018-10-24 01:22:12,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:22:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 62378 states and 87792 transitions. [2018-10-24 01:22:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-24 01:22:12,696 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:22:12,701 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:22:12,701 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:22:12,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:22:12,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1882341016, now seen corresponding path program 1 times [2018-10-24 01:22:12,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:22:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:22:12,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:22:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:22:12,703 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:22:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:22:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 64 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 01:22:13,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:22:13,075 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:22:13,076 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-10-24 01:22:13,078 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2079], [2081], [2084], [2092], [2100], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2396], [2397], [2400], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 01:22:13,179 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:22:13,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:22:15,766 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:22:15,943 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:22:15,945 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 01:22:15,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:22:15,990 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:22:18,283 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 75.5% of their original sizes. [2018-10-24 01:22:18,283 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:22:18,769 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:22:18,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:22:18,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-24 01:22:18,770 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:22:18,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 01:22:18,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 01:22:18,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:22:18,772 INFO L87 Difference]: Start difference. First operand 62378 states and 87792 transitions. Second operand 8 states. Received shutdown request... [2018-10-24 01:24:12,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:24:12,030 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:24:12,036 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:24:12,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:24:12 BoogieIcfgContainer [2018-10-24 01:24:12,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:24:12,037 INFO L168 Benchmark]: Toolchain (without parser) took 224646.30 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 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 771.6 MB. Max. memory is 7.1 GB. [2018-10-24 01:24:12,039 INFO L168 Benchmark]: CDTParser took 0.22 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 01:24:12,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2273.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:24:12,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 511.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:24:12,041 INFO L168 Benchmark]: Boogie Preprocessor took 292.09 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:24:12,042 INFO L168 Benchmark]: RCFGBuilder took 12915.05 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 187.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -187.7 MB). Peak memory consumption was 669.1 MB. Max. memory is 7.1 GB. [2018-10-24 01:24:12,043 INFO L168 Benchmark]: TraceAbstraction took 208648.74 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 3.3 GB in the end (delta: -885.8 MB). Peak memory consumption was 773.1 MB. Max. memory is 7.1 GB. [2018-10-24 01:24:12,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2273.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 511.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 292.09 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12915.05 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 187.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -187.7 MB). Peak memory consumption was 669.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208648.74 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 3.3 GB in the end (delta: -885.8 MB). Peak memory consumption was 773.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 108). Cancelled while BasicCegarLoop was constructing difference of abstraction (62378states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (26875 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 208.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 195.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1264 SDtfs, 21524 SDslu, 1229 SDs, 0 SdLazy, 36020 SolverSat, 8461 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 152.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 254 GetRequests, 204 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62378occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9950800468566965 AbsIntWeakeningRatio, 0.13705583756345177 AbsIntAvgWeakeningVarsNumRemoved, 1038.497461928934 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 655 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 901 NumberOfCodeBlocks, 901 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 894 ConstructedInterpolants, 0 QuantifiedInterpolants, 569582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 229/303 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown