java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:45:06,608 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:45:06,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:45:06,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:45:06,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:45:06,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:45:06,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:45:06,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:45:06,640 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:45:06,641 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:45:06,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:45:06,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:45:06,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:45:06,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:45:06,655 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:45:06,656 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:45:06,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:45:06,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:45:06,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:45:06,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:45:06,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:45:06,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:45:06,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:45:06,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:45:06,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:45:06,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:45:06,684 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:45:06,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:45:06,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:45:06,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:45:06,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:45:06,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:45:06,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:45:06,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:45:06,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:45:06,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:45:06,695 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:45:06,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:45:06,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:45:06,727 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:45:06,727 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:45:06,730 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:45:06,731 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:45:06,731 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:45:06,731 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:45:06,732 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:45:06,732 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:45:06,732 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:45:06,732 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:45:06,734 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:45:06,734 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:45:06,734 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:45:06,734 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:45:06,735 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:45:06,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:45:06,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:45:06,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:45:06,736 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:45:06,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:45:06,736 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:45:06,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:45:06,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:45:06,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:45:06,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:45:06,737 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:45:06,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:45:06,739 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:45:06,739 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:45:06,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:45:06,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:45:06,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:45:06,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:45:06,834 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:45:06,835 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:45:06,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-09-19 15:45:07,190 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74e62284/0839aa462f494b18a0d7a8a4f129fe31/FLAG01df09dc0 [2018-09-19 15:45:07,374 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:45:07,375 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-09-19 15:45:07,382 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74e62284/0839aa462f494b18a0d7a8a4f129fe31/FLAG01df09dc0 [2018-09-19 15:45:07,399 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74e62284/0839aa462f494b18a0d7a8a4f129fe31 [2018-09-19 15:45:07,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:45:07,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:45:07,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:45:07,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:45:07,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:45:07,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fac9a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07, skipping insertion in model container [2018-09-19 15:45:07,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,437 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:45:07,752 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:45:07,801 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:45:07,838 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:45:07,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07 WrapperNode [2018-09-19 15:45:07,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:45:07,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:45:07,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:45:07,871 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:45:07,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... [2018-09-19 15:45:07,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:45:07,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:45:07,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:45:07,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:45:07,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:45:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:45:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:45:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:45:08,065 INFO L138 BoogieDeclarations]: Found implementation of procedure iir4 [2018-09-19 15:45:08,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:45:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:45:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 15:45:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:45:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:45:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure iir4 [2018-09-19 15:45:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 15:45:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 15:45:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:45:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:45:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 15:45:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 15:45:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:45:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 15:45:08,421 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:45:08,459 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:45:10,721 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:45:10,737 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:45:15,228 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:45:15,293 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:45:15,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:45:15 BoogieIcfgContainer [2018-09-19 15:45:15,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:45:15,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:45:15,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:45:15,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:45:15,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:45:07" (1/3) ... [2018-09-19 15:45:15,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200632e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:45:15, skipping insertion in model container [2018-09-19 15:45:15,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:07" (2/3) ... [2018-09-19 15:45:15,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200632e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:45:15, skipping insertion in model container [2018-09-19 15:45:15,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:45:15" (3/3) ... [2018-09-19 15:45:15,303 INFO L112 eAbstractionObserver]: Analyzing ICFG filter_iir_true-unreach-call.c [2018-09-19 15:45:15,313 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:45:15,323 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:45:15,374 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:45:15,375 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:45:15,375 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:45:15,375 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:45:15,375 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:45:15,375 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:45:15,376 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:45:15,376 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:45:15,376 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:45:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-09-19 15:45:15,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-19 15:45:15,404 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:15,406 INFO L376 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] [2018-09-19 15:45:15,408 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:15,413 INFO L82 PathProgramCache]: Analyzing trace with hash 256457921, now seen corresponding path program 1 times [2018-09-19 15:45:15,419 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:15,419 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:15,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:18,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:45:18,877 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:45:18,941 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:45:18,942 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-19 15:45:18,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-19 15:45:18,962 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-19 15:45:18,963 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-19 15:45:18,966 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2018-09-19 15:45:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:45:19,051 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2018-09-19 15:45:19,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-19 15:45:19,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-09-19 15:45:19,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:45:19,069 INFO L225 Difference]: With dead ends: 79 [2018-09-19 15:45:19,069 INFO L226 Difference]: Without dead ends: 42 [2018-09-19 15:45:19,076 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-19 15:45:19,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-09-19 15:45:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-09-19 15:45:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-09-19 15:45:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-09-19 15:45:19,118 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 34 [2018-09-19 15:45:19,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:45:19,121 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-09-19 15:45:19,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-19 15:45:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-09-19 15:45:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-19 15:45:19,124 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:19,124 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:19,125 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:19,125 INFO L82 PathProgramCache]: Analyzing trace with hash 735832542, now seen corresponding path program 1 times [2018-09-19 15:45:19,125 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:19,126 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 15:45:19,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:48,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:50,884 INFO L303 Elim1Store]: Index analysis took 2065 ms [2018-09-19 15:45:50,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-09-19 15:45:54,935 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 5522073405779.0 10000000000000.0)) (select v_arrayElimArr_1 (_ bv0 32))) [2018-09-19 15:45:54,936 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:54,938 INFO L303 Elim1Store]: Index analysis took 4045 ms [2018-09-19 15:45:54,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-09-19 15:45:54,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 15:46:09,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:46:35,322 INFO L303 Elim1Store]: Index analysis took 2039 ms [2018-09-19 15:46:35,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-09-19 15:46:39,354 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 410469839621.0 500000000000.0)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-19 15:46:39,355 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:39,358 INFO L303 Elim1Store]: Index analysis took 4032 ms [2018-09-19 15:46:39,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-09-19 15:46:39,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-19 15:46:53,100 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:22,444 INFO L303 Elim1Store]: Index analysis took 2020 ms [2018-09-19 15:47:22,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-09-19 15:47:26,152 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:26,156 INFO L303 Elim1Store]: Index analysis took 3708 ms [2018-09-19 15:47:26,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-09-19 15:47:30,188 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv0 32)) (select v_arrayElimArr_4 (_ bv1 32))) [2018-09-19 15:47:30,189 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:32,201 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE 1.0) (select v_arrayElimArr_4 (_ bv1 32))) [2018-09-19 15:47:32,202 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:47:32,203 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 15:47:32,207 INFO L303 Elim1Store]: Index analysis took 6046 ms [2018-09-19 15:47:32,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 53 [2018-09-19 15:47:32,210 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-09-19 15:47:45,556 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:57,170 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:48:18,450 INFO L303 Elim1Store]: Index analysis took 1250 ms [2018-09-19 15:48:18,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-09-19 15:48:20,131 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:48:20,135 INFO L303 Elim1Store]: Index analysis took 1680 ms [2018-09-19 15:48:20,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-09-19 15:48:20,787 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:48:21,152 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:48:21,153 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 15:48:21,156 INFO L303 Elim1Store]: Index analysis took 1017 ms [2018-09-19 15:48:21,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 53 [2018-09-19 15:48:21,159 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-09-19 15:48:21,740 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:48:22,121 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:48:23,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:48:23,414 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:63, output treesize:71 [2018-09-19 15:48:24,754 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 43 [2018-09-19 15:48:26,499 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 45 [2018-09-19 15:48:28,177 WARN L178 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 47 [2018-09-19 15:48:30,219 INFO L303 Elim1Store]: Index analysis took 2033 ms [2018-09-19 15:48:30,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-09-19 15:48:32,244 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 15:48:32,249 INFO L303 Elim1Store]: Index analysis took 2026 ms [2018-09-19 15:48:32,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-09-19 15:48:32,251 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 15:48:40,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:49:22,530 INFO L303 Elim1Store]: Index analysis took 1937 ms [2018-09-19 15:49:22,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-09-19 15:49:23,488 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 15:49:23,493 INFO L303 Elim1Store]: Index analysis took 958 ms [2018-09-19 15:49:23,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-09-19 15:49:23,495 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-19 15:49:26,351 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:49:42,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:49:42,781 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:95, output treesize:97 Received shutdown request... [2018-09-19 15:49:59,703 WARN L186 SmtUtils]: Removed 4 from assertion stack [2018-09-19 15:49:59,703 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-19 15:49:59,905 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2018-09-19 15:49:59,905 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 15:49:59,911 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 15:49:59,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:49:59 BoogieIcfgContainer [2018-09-19 15:49:59,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:49:59,913 INFO L168 Benchmark]: Toolchain (without parser) took 292502.92 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -612.5 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2018-09-19 15:49:59,914 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:49:59,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:49:59,915 INFO L168 Benchmark]: Boogie Preprocessor took 49.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:49:59,916 INFO L168 Benchmark]: RCFGBuilder took 7373.69 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-09-19 15:49:59,917 INFO L168 Benchmark]: TraceAbstraction took 284616.76 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 134.1 MB). Peak memory consumption was 134.1 MB. Max. memory is 7.1 GB. [2018-09-19 15:49:59,921 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 457.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 7373.69 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 284616.76 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 134.1 MB). Peak memory consumption was 134.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 8]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 8). Cancelled while BasicCegarLoop was analyzing trace of length 37 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 58. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. TIMEOUT Result, 284.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 39 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown