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/test_malloc-1_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:47,038 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:47,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:47,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:47,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:47,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:47,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:47,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:47,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:47,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:47,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:47,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:47,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:47,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:47,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:47,083 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:47,085 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:47,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:47,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:47,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:47,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:47,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:47,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:06:47,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:06:47,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:06:47,113 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:06:47,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:06:47,115 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 11:06:47,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:47,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:47,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:47,149 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:47,150 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:47,150 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:47,150 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:47,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:47,151 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:47,151 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:47,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:47,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:47,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:47,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:47,153 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:47,153 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:47,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:47,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:47,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:47,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:47,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:47,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:47,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:47,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:47,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:47,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:47,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:47,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:47,157 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:47,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:47,158 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:47,158 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:47,158 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:47,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:47,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:47,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:47,236 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:47,237 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:47,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_malloc-1_true-unreach-call_true-termination.i [2018-11-23 11:06:47,295 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32691c1e9/f0df0ec30ddf408aa1f5c869b166a609/FLAGe0486904b [2018-11-23 11:06:47,836 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:47,842 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-1_true-unreach-call_true-termination.i [2018-11-23 11:06:47,867 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32691c1e9/f0df0ec30ddf408aa1f5c869b166a609/FLAGe0486904b [2018-11-23 11:06:48,118 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32691c1e9/f0df0ec30ddf408aa1f5c869b166a609 [2018-11-23 11:06:48,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:48,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:48,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:48,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:48,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:48,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b58ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48, skipping insertion in model container [2018-11-23 11:06:48,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:48,207 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:48,621 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:48,632 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:48,715 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:48,787 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:48,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48 WrapperNode [2018-11-23 11:06:48,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:48,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:48,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:48,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:48,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:48,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:48,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:48,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:48,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (1/1) ... [2018-11-23 11:06:48,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:48,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:48,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:48,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:48,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (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 11:06:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:06:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:06:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:06:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:49,503 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:49,503 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:49,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:49 BoogieIcfgContainer [2018-11-23 11:06:49,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:49,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:49,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:49,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:49,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:48" (1/3) ... [2018-11-23 11:06:49,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2f74c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:49, skipping insertion in model container [2018-11-23 11:06:49,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:48" (2/3) ... [2018-11-23 11:06:49,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2f74c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:49, skipping insertion in model container [2018-11-23 11:06:49,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:49" (3/3) ... [2018-11-23 11:06:49,513 INFO L112 eAbstractionObserver]: Analyzing ICFG test_malloc-1_true-unreach-call_true-termination.i [2018-11-23 11:06:49,522 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:49,531 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:49,549 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:49,583 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:49,584 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:49,584 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:49,584 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:49,584 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:49,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:49,585 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:49,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:49,585 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 11:06:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:06:49,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:49,612 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:49,614 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:49,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:49,621 INFO L82 PathProgramCache]: Analyzing trace with hash -2111486095, now seen corresponding path program 1 times [2018-11-23 11:06:49,626 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:49,628 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 11:06:49,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:49,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:49,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 1 [2018-11-23 11:06:49,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:49,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:49,946 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2018-11-23 11:06:50,308 INFO L256 TraceCheckUtils]: 0: Hoare triple {22#true} call ULTIMATE.init(); {22#true} is VALID [2018-11-23 11:06:50,311 INFO L273 TraceCheckUtils]: 1: Hoare triple {22#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~CURRENTLY_UNSAFE~0 := 0bv32; {22#true} is VALID [2018-11-23 11:06:50,312 INFO L273 TraceCheckUtils]: 2: Hoare triple {22#true} assume true; {22#true} is VALID [2018-11-23 11:06:50,312 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {22#true} {22#true} #27#return; {22#true} is VALID [2018-11-23 11:06:50,312 INFO L256 TraceCheckUtils]: 4: Hoare triple {22#true} call #t~ret30 := main(); {22#true} is VALID [2018-11-23 11:06:50,315 INFO L273 TraceCheckUtils]: 5: Hoare triple {22#true} call #t~malloc28.base, #t~malloc28.offset := #Ultimate.alloc(4bv32);~p1~0.base, ~p1~0.offset := #t~malloc28.base, #t~malloc28.offset;call #t~malloc29.base, #t~malloc29.offset := #Ultimate.alloc(4bv32);~p2~0.base, ~p2~0.offset := #t~malloc29.base, #t~malloc29.offset; {42#(not (= main_~p1~0.base main_~p2~0.base))} is VALID [2018-11-23 11:06:50,316 INFO L273 TraceCheckUtils]: 6: Hoare triple {42#(not (= main_~p1~0.base main_~p2~0.base))} assume (~p1~0.base != 0bv32 || ~p1~0.offset != 0bv32) && (~p2~0.base != 0bv32 || ~p2~0.offset != 0bv32); {42#(not (= main_~p1~0.base main_~p2~0.base))} is VALID [2018-11-23 11:06:50,318 INFO L256 TraceCheckUtils]: 7: Hoare triple {42#(not (= main_~p1~0.base main_~p2~0.base))} call __VERIFIER_assert((if ~p1~0.base != ~p2~0.base || ~p1~0.offset != ~p2~0.offset then 1bv32 else 0bv32)); {49#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:06:50,328 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {53#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:06:50,329 INFO L273 TraceCheckUtils]: 9: Hoare triple {53#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {23#false} is VALID [2018-11-23 11:06:50,329 INFO L273 TraceCheckUtils]: 10: Hoare triple {23#false} assume !false; {23#false} is VALID [2018-11-23 11:06:50,331 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 11:06:50,331 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 11:06:50,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:50,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:06:50,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-23 11:06:50,350 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:50,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:06:50,400 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:50,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:06:50,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:06:50,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:06:50,413 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2018-11-23 11:06:50,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:50,748 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-11-23 11:06:50,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:06:50,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-23 11:06:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:06:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2018-11-23 11:06:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:06:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2018-11-23 11:06:50,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 26 transitions. [2018-11-23 11:06:50,887 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:50,894 INFO L225 Difference]: With dead ends: 26 [2018-11-23 11:06:50,895 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:50,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:06:50,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:50,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:50,918 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:50,919 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:50,919 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:50,919 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:50,920 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:50,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:50,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:50,920 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:50,921 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:50,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:50,921 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:50,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:50,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:50,922 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:50,922 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:50,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-23 11:06:50,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:50,924 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:50,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:06:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:50,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:50,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:51,170 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:51,171 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:51,171 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:51,171 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:51,171 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:51,171 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:51,172 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:51,172 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 435) no Hoare annotation was computed. [2018-11-23 11:06:51,172 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 433 435) no Hoare annotation was computed. [2018-11-23 11:06:51,172 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 430 437) the Hoare annotation is: true [2018-11-23 11:06:51,172 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 430 437) no Hoare annotation was computed. [2018-11-23 11:06:51,172 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 430 437) no Hoare annotation was computed. [2018-11-23 11:06:51,173 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2018-11-23 11:06:51,173 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 11:06:51,173 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 11:06:51,173 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:06:51,174 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 11:06:51,174 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 11:06:51,174 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:06:51,176 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:51,176 WARN L170 areAnnotationChecker]: L433 has no Hoare annotation [2018-11-23 11:06:51,176 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:51,177 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:51,177 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:51,177 WARN L170 areAnnotationChecker]: L433 has no Hoare annotation [2018-11-23 11:06:51,177 WARN L170 areAnnotationChecker]: L433 has no Hoare annotation [2018-11-23 11:06:51,177 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:51,178 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:51,178 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:51,178 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:51,178 WARN L170 areAnnotationChecker]: L433-1 has no Hoare annotation [2018-11-23 11:06:51,178 WARN L170 areAnnotationChecker]: L433-1 has no Hoare annotation [2018-11-23 11:06:51,178 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:06:51,179 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:06:51,179 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:06:51,179 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:51,179 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:06:51,179 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:51,180 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 11:06:51,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:51 BoogieIcfgContainer [2018-11-23 11:06:51,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:51,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:51,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:51,183 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:51,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:49" (3/4) ... [2018-11-23 11:06:51,188 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:51,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:51,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:51,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:06:51,202 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 11:06:51,202 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:06:51,202 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:51,249 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test_malloc-1_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 11:06:51,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:51,251 INFO L168 Benchmark]: Toolchain (without parser) took 3119.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 698.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -647.1 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:51,253 INFO L168 Benchmark]: CDTParser took 0.28 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 11:06:51,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.40 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:51,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 698.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:51,255 INFO L168 Benchmark]: Boogie Preprocessor took 33.19 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:51,256 INFO L168 Benchmark]: RCFGBuilder took 562.24 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:51,257 INFO L168 Benchmark]: TraceAbstraction took 1677.13 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:51,257 INFO L168 Benchmark]: Witness Printer took 66.65 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:51,263 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 0.28 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 654.40 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 118.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 698.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.19 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 562.24 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1677.13 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. * Witness Printer took 66.65 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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, 19 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 8 SDslu, 30 SDs, 0 SdLazy, 13 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 9 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 4 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 6 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...