java -ea -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/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:45,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:45,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:45,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:45,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:45,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:45,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:45,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:45,666 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:45,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:45,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:45,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:45,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:45,673 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:45,674 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:45,676 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:45,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:45,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:45,691 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:45,692 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:45,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:45,697 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:45,701 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:06:45,710 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:06:45,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:06:45,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:06:45,713 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:06:45,715 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 [2018-11-23 11:06:45,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:45,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:45,748 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:45,748 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:45,752 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:45,752 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:45,752 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:45,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:45,753 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:45,753 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:45,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:45,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:45,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:45,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:45,754 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:45,755 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:45,755 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:45,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:45,755 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:45,755 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:45,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:45,756 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:45,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:45,756 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:45,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:45,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:45,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:45,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:45,758 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:45,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:45,758 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:45,758 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:45,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:45,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:45,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:45,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:45,838 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:45,839 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:45,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i [2018-11-23 11:06:45,910 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b90fcdab3/290de8d2eeeb46c7ac92490edd397aec/FLAG3a0a1c337 [2018-11-23 11:06:46,370 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:46,371 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i [2018-11-23 11:06:46,379 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b90fcdab3/290de8d2eeeb46c7ac92490edd397aec/FLAG3a0a1c337 [2018-11-23 11:06:46,729 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b90fcdab3/290de8d2eeeb46c7ac92490edd397aec [2018-11-23 11:06:46,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:46,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:46,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:46,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:46,746 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:46,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:46" (1/1) ... [2018-11-23 11:06:46,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c25f363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:46, skipping insertion in model container [2018-11-23 11:06:46,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:46" (1/1) ... [2018-11-23 11:06:46,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:46,780 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:46,980 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:46,989 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:47,022 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:47,057 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:47,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47 WrapperNode [2018-11-23 11:06:47,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:47,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:47,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:47,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:47,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:47,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:47,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:47,093 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:47,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:47,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:47,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:47,144 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:47,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (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 [2018-11-23 11:06:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:06:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:06:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 11:06:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 11:06:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 11:06:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:06:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:06:47,719 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:47,721 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:47,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:47 BoogieIcfgContainer [2018-11-23 11:06:47,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:47,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:47,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:47,726 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:47,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:46" (1/3) ... [2018-11-23 11:06:47,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d9d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:47, skipping insertion in model container [2018-11-23 11:06:47,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (2/3) ... [2018-11-23 11:06:47,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d9d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:47, skipping insertion in model container [2018-11-23 11:06:47,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:47" (3/3) ... [2018-11-23 11:06:47,730 INFO L112 eAbstractionObserver]: Analyzing ICFG structure_assignment_true-termination.c_true-unreach-call.i [2018-11-23 11:06:47,740 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:47,749 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:47,767 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:47,800 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:47,801 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:47,802 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:47,802 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:47,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:47,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:47,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:47,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:47,804 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 11:06:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 11:06:47,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:47,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:47,829 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:47,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2018-11-23 11:06:47,839 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:47,840 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:06:47,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:47,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:48,107 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 19 treesize of output 15 [2018-11-23 11:06:48,156 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-23 11:06:48,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:48,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:48,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:48,188 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-23 11:06:48,193 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 11:06:48,194 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#memory_int_6|, |main_~#good~0.base|, |main_~#good~0.offset|]. (let ((.cse0 (select (select |v_#memory_int_6| |main_~#good~0.base|) (bvadd |main_~#good~0.offset| (_ bv4 32))))) (and (= .cse0 (_ bv2 32)) (= .cse0 |main_#t~mem2|))) [2018-11-23 11:06:48,194 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (= (_ bv2 32) |main_#t~mem2|) [2018-11-23 11:06:48,273 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-23 11:06:48,276 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {20#true} is VALID [2018-11-23 11:06:48,277 INFO L273 TraceCheckUtils]: 2: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-23 11:06:48,277 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20#true} {20#true} #19#return; {20#true} is VALID [2018-11-23 11:06:48,278 INFO L256 TraceCheckUtils]: 4: Hoare triple {20#true} call #t~ret3 := main(); {20#true} is VALID [2018-11-23 11:06:48,292 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} call ~#good~0.base, ~#good~0.offset := #Ultimate.alloc(8bv32);call write~init~intINTTYPE4(1bv32, ~#good~0.base, ~#good~0.offset, 4bv32);call write~init~intINTTYPE4(2bv32, ~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call ~#bad~0.base, ~#bad~0.offset := #Ultimate.alloc(8bv32);call #t~mem0 := read~intINTTYPE4(~#good~0.base, ~#good~0.offset, 4bv32);call #t~mem1 := read~intINTTYPE4(~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call write~intINTTYPE4(#t~mem0, ~#bad~0.base, ~#bad~0.offset, 4bv32);call write~intINTTYPE4(#t~mem1, ~#bad~0.base, ~bvadd32(4bv32, ~#bad~0.offset), 4bv32);havoc #t~mem0;havoc #t~mem1;call #t~mem2 := read~intINTTYPE4(~#bad~0.base, ~bvadd32(4bv32, ~#bad~0.offset), 4bv32); {40#(= (_ bv2 32) |main_#t~mem2|)} is VALID [2018-11-23 11:06:48,302 INFO L273 TraceCheckUtils]: 6: Hoare triple {40#(= (_ bv2 32) |main_#t~mem2|)} assume !(2bv32 == #t~mem2); {21#false} is VALID [2018-11-23 11:06:48,303 INFO L256 TraceCheckUtils]: 7: Hoare triple {21#false} call __blast_assert(); {21#false} is VALID [2018-11-23 11:06:48,303 INFO L273 TraceCheckUtils]: 8: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-23 11:06:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:06:48,305 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:48,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:48,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:06:48,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 11:06:48,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:48,324 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:06:48,414 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:48,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:06:48,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:06:48,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:06:48,427 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-23 11:06:48,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:48,529 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 11:06:48,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:06:48,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 11:06:48,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:06:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 11:06:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:06:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 11:06:48,548 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 21 transitions. [2018-11-23 11:06:48,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:48,730 INFO L225 Difference]: With dead ends: 22 [2018-11-23 11:06:48,730 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:48,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:06:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:48,760 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:48,760 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:48,761 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:48,761 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:48,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:48,762 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:48,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:48,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:48,763 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:48,763 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:48,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:48,763 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:48,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:48,764 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:48,764 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:48,764 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:48,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-23 11:06:48,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:48,767 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:48,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:06:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:48,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:48,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:48,882 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:48,883 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:48,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:48,884 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 7 10) no Hoare annotation was computed. [2018-11-23 11:06:48,884 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 7 10) no Hoare annotation was computed. [2018-11-23 11:06:48,884 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 7 10) the Hoare annotation is: true [2018-11-23 11:06:48,884 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-11-23 11:06:48,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:48,884 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:48,884 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:48,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:48,885 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 19 26) the Hoare annotation is: true [2018-11-23 11:06:48,885 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 19 26) no Hoare annotation was computed. [2018-11-23 11:06:48,885 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 19 26) no Hoare annotation was computed. [2018-11-23 11:06:48,885 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 11:06:48,885 INFO L444 ceAbstractionStarter]: At program point L24-2(line 24) the Hoare annotation is: false [2018-11-23 11:06:48,886 INFO L448 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-11-23 11:06:48,888 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:48,888 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 11:06:48,888 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:48,888 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 11:06:48,889 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:48,890 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2018-11-23 11:06:48,890 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2018-11-23 11:06:48,890 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:48,890 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:48,890 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:06:48,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:48 BoogieIcfgContainer [2018-11-23 11:06:48,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:48,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:48,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:48,894 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:48,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:47" (3/4) ... [2018-11-23 11:06:48,898 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:48,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:48,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 11:06:48,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:48,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 11:06:48,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:06:48,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:06:48,911 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:48,951 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i-witness.graphml [2018-11-23 11:06:48,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:48,952 INFO L168 Benchmark]: Toolchain (without parser) took 2212.33 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -702.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:48,954 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-23 11:06:48,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.49 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. [2018-11-23 11:06:48,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.33 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. [2018-11-23 11:06:48,955 INFO L168 Benchmark]: Boogie Preprocessor took 50.80 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. [2018-11-23 11:06:48,956 INFO L168 Benchmark]: RCFGBuilder took 577.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -774.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:48,957 INFO L168 Benchmark]: TraceAbstraction took 1170.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:48,958 INFO L168 Benchmark]: Witness Printer took 57.49 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:48,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 316.49 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 Procedure Inliner took 34.33 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. * Boogie Preprocessor took 50.80 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 577.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -774.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1170.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * Witness Printer took 57.49 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 5 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...