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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loops/array_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 22:11:54,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 22:11:54,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 22:11:54,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 22:11:54,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 22:11:54,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 22:11:54,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 22:11:54,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 22:11:54,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 22:11:54,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 22:11:54,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 22:11:54,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 22:11:54,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 22:11:54,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 22:11:54,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 22:11:54,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 22:11:54,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 22:11:54,618 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 22:11:54,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 22:11:54,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 22:11:54,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 22:11:54,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 22:11:54,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 22:11:54,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 22:11:54,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 22:11:54,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 22:11:54,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 22:11:54,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 22:11:54,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 22:11:54,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 22:11:54,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 22:11:54,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 22:11:54,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 22:11:54,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 22:11:54,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 22:11:54,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 22:11:54,635 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 [2018-11-18 22:11:54,651 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 22:11:54,651 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 22:11:54,652 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 22:11:54,652 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 22:11:54,653 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 22:11:54,653 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 22:11:54,653 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 22:11:54,653 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 22:11:54,654 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 22:11:54,654 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 22:11:54,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 22:11:54,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 22:11:54,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 22:11:54,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 22:11:54,655 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 22:11:54,655 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 22:11:54,655 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 22:11:54,655 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 22:11:54,655 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 22:11:54,656 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 22:11:54,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 22:11:54,656 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 22:11:54,656 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 22:11:54,657 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 22:11:54,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 22:11:54,657 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 22:11:54,657 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 22:11:54,657 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 22:11:54,658 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 22:11:54,658 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 22:11:54,658 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 22:11:54,658 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 22:11:54,658 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 22:11:54,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 22:11:54,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 22:11:54,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 22:11:54,720 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 22:11:54,720 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 22:11:54,721 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array_false-unreach-call_true-termination.i [2018-11-18 22:11:54,784 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08546d7d7/9f016ee7805e4327b3536d2ab46d4541/FLAG3e3025ebd [2018-11-18 22:11:55,268 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 22:11:55,269 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/array_false-unreach-call_true-termination.i [2018-11-18 22:11:55,276 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08546d7d7/9f016ee7805e4327b3536d2ab46d4541/FLAG3e3025ebd [2018-11-18 22:11:55,597 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08546d7d7/9f016ee7805e4327b3536d2ab46d4541 [2018-11-18 22:11:55,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 22:11:55,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 22:11:55,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 22:11:55,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 22:11:55,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 22:11:55,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97976da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55, skipping insertion in model container [2018-11-18 22:11:55,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 22:11:55,655 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 22:11:55,896 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:11:55,904 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 22:11:55,933 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:11:55,952 INFO L195 MainTranslator]: Completed translation [2018-11-18 22:11:55,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55 WrapperNode [2018-11-18 22:11:55,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 22:11:55,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 22:11:55,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 22:11:55,954 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 22:11:55,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:55,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (1/1) ... [2018-11-18 22:11:56,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 22:11:56,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 22:11:56,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 22:11:56,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 22:11:56,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (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 [2018-11-18 22:11:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 22:11:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 22:11:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 22:11:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 22:11:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 22:11:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 22:11:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 22:11:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 22:11:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 22:11:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 22:11:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 22:11:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 22:11:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 22:11:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 22:11:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 22:11:56,604 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 22:11:56,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:11:56 BoogieIcfgContainer [2018-11-18 22:11:56,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 22:11:56,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 22:11:56,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 22:11:56,609 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 22:11:56,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:11:55" (1/3) ... [2018-11-18 22:11:56,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145c9d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:11:56, skipping insertion in model container [2018-11-18 22:11:56,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:55" (2/3) ... [2018-11-18 22:11:56,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145c9d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:11:56, skipping insertion in model container [2018-11-18 22:11:56,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:11:56" (3/3) ... [2018-11-18 22:11:56,613 INFO L112 eAbstractionObserver]: Analyzing ICFG array_false-unreach-call_true-termination.i [2018-11-18 22:11:56,623 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 22:11:56,632 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 22:11:56,649 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 22:11:56,682 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 22:11:56,683 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 22:11:56,683 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 22:11:56,683 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 22:11:56,683 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 22:11:56,683 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 22:11:56,684 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 22:11:56,684 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 22:11:56,684 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 22:11:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-18 22:11:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 22:11:56,714 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:11:56,715 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:11:56,718 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:11:56,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:11:56,723 INFO L82 PathProgramCache]: Analyzing trace with hash 296275345, now seen corresponding path program 1 times [2018-11-18 22:11:56,727 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:11:56,728 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 [2018-11-18 22:11:56,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:11:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:11:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:11:56,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:11:56,870 INFO L256 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {26#true} is VALID [2018-11-18 22:11:56,874 INFO L273 TraceCheckUtils]: 1: Hoare triple {26#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {26#true} is VALID [2018-11-18 22:11:56,874 INFO L273 TraceCheckUtils]: 2: Hoare triple {26#true} assume true; {26#true} is VALID [2018-11-18 22:11:56,875 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} #41#return; {26#true} is VALID [2018-11-18 22:11:56,875 INFO L256 TraceCheckUtils]: 4: Hoare triple {26#true} call #t~ret6 := main(); {26#true} is VALID [2018-11-18 22:11:56,875 INFO L273 TraceCheckUtils]: 5: Hoare triple {26#true} ~SIZE~0 := 1bv32;havoc ~j~0;havoc ~k~0;call ~#array~0.base, ~#array~0.offset := #Ultimate.alloc(~bvmul32(4bv32, ~SIZE~0));havoc ~menor~0;~menor~0 := #t~nondet0;havoc #t~nondet0;~j~0 := 0bv32; {26#true} is VALID [2018-11-18 22:11:56,878 INFO L273 TraceCheckUtils]: 6: Hoare triple {26#true} assume !true; {27#false} is VALID [2018-11-18 22:11:56,879 INFO L273 TraceCheckUtils]: 7: Hoare triple {27#false} call #t~mem5 := read~intINTTYPE4(~#array~0.base, ~#array~0.offset, 4bv32); {27#false} is VALID [2018-11-18 22:11:56,879 INFO L256 TraceCheckUtils]: 8: Hoare triple {27#false} call __VERIFIER_assert((if ~bvsgt32(#t~mem5, ~menor~0) then 1bv32 else 0bv32)); {27#false} is VALID [2018-11-18 22:11:56,879 INFO L273 TraceCheckUtils]: 9: Hoare triple {27#false} ~cond := #in~cond; {27#false} is VALID [2018-11-18 22:11:56,880 INFO L273 TraceCheckUtils]: 10: Hoare triple {27#false} assume 0bv32 == ~cond; {27#false} is VALID [2018-11-18 22:11:56,880 INFO L273 TraceCheckUtils]: 11: Hoare triple {27#false} assume !false; {27#false} is VALID [2018-11-18 22:11:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:11:56,884 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:11:56,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:11:56,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 22:11:56,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-11-18 22:11:56,901 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:11:56,905 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-18 22:11:57,004 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:11:57,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 22:11:57,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 22:11:57,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 22:11:57,018 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-11-18 22:11:57,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:11:57,311 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-11-18 22:11:57,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 22:11:57,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-11-18 22:11:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:11:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 22:11:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 40 transitions. [2018-11-18 22:11:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 22:11:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 40 transitions. [2018-11-18 22:11:57,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 40 transitions. [2018-11-18 22:11:57,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:11:57,520 INFO L225 Difference]: With dead ends: 36 [2018-11-18 22:11:57,521 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 22:11:57,524 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 22:11:57,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 22:11:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-18 22:11:57,581 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:11:57,581 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2018-11-18 22:11:57,582 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-18 22:11:57,582 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-18 22:11:57,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:11:57,586 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-18 22:11:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 22:11:57,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:11:57,587 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:11:57,587 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-18 22:11:57,587 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-18 22:11:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:11:57,590 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-18 22:11:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 22:11:57,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:11:57,591 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:11:57,591 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:11:57,591 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:11:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:11:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-18 22:11:57,595 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2018-11-18 22:11:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:11:57,596 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-18 22:11:57,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 22:11:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 22:11:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 22:11:57,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:11:57,597 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:11:57,598 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:11:57,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:11:57,598 INFO L82 PathProgramCache]: Analyzing trace with hash 665169549, now seen corresponding path program 1 times [2018-11-18 22:11:57,599 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:11:57,599 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:11:57,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:11:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:11:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:11:57,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:11:57,835 INFO L256 TraceCheckUtils]: 0: Hoare triple {163#true} call ULTIMATE.init(); {163#true} is VALID [2018-11-18 22:11:57,835 INFO L273 TraceCheckUtils]: 1: Hoare triple {163#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {163#true} is VALID [2018-11-18 22:11:57,836 INFO L273 TraceCheckUtils]: 2: Hoare triple {163#true} assume true; {163#true} is VALID [2018-11-18 22:11:57,836 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {163#true} {163#true} #41#return; {163#true} is VALID [2018-11-18 22:11:57,836 INFO L256 TraceCheckUtils]: 4: Hoare triple {163#true} call #t~ret6 := main(); {163#true} is VALID [2018-11-18 22:11:57,838 INFO L273 TraceCheckUtils]: 5: Hoare triple {163#true} ~SIZE~0 := 1bv32;havoc ~j~0;havoc ~k~0;call ~#array~0.base, ~#array~0.offset := #Ultimate.alloc(~bvmul32(4bv32, ~SIZE~0));havoc ~menor~0;~menor~0 := #t~nondet0;havoc #t~nondet0;~j~0 := 0bv32; {183#(and (= main_~j~0 (_ bv0 32)) (= (bvadd main_~SIZE~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:11:57,840 INFO L273 TraceCheckUtils]: 6: Hoare triple {183#(and (= main_~j~0 (_ bv0 32)) (= (bvadd main_~SIZE~0 (_ bv4294967295 32)) (_ bv0 32)))} assume true; {183#(and (= main_~j~0 (_ bv0 32)) (= (bvadd main_~SIZE~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:11:57,841 INFO L273 TraceCheckUtils]: 7: Hoare triple {183#(and (= main_~j~0 (_ bv0 32)) (= (bvadd main_~SIZE~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !~bvult32(~j~0, ~SIZE~0); {164#false} is VALID [2018-11-18 22:11:57,842 INFO L273 TraceCheckUtils]: 8: Hoare triple {164#false} call #t~mem5 := read~intINTTYPE4(~#array~0.base, ~#array~0.offset, 4bv32); {164#false} is VALID [2018-11-18 22:11:57,842 INFO L256 TraceCheckUtils]: 9: Hoare triple {164#false} call __VERIFIER_assert((if ~bvsgt32(#t~mem5, ~menor~0) then 1bv32 else 0bv32)); {164#false} is VALID [2018-11-18 22:11:57,842 INFO L273 TraceCheckUtils]: 10: Hoare triple {164#false} ~cond := #in~cond; {164#false} is VALID [2018-11-18 22:11:57,843 INFO L273 TraceCheckUtils]: 11: Hoare triple {164#false} assume 0bv32 == ~cond; {164#false} is VALID [2018-11-18 22:11:57,843 INFO L273 TraceCheckUtils]: 12: Hoare triple {164#false} assume !false; {164#false} is VALID [2018-11-18 22:11:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:11:57,844 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:11:57,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:11:57,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 22:11:57,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 22:11:57,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:11:57,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 22:11:57,869 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:11:57,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 22:11:57,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 22:11:57,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:11:57,870 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 3 states. [2018-11-18 22:11:57,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:11:57,981 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-11-18 22:11:57,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 22:11:57,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 22:11:57,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:11:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:11:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2018-11-18 22:11:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:11:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2018-11-18 22:11:57,987 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 28 transitions. [2018-11-18 22:11:58,107 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:11:58,110 INFO L225 Difference]: With dead ends: 26 [2018-11-18 22:11:58,110 INFO L226 Difference]: Without dead ends: 20 [2018-11-18 22:11:58,111 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:11:58,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-18 22:11:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2018-11-18 22:11:58,128 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:11:58,128 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 18 states. [2018-11-18 22:11:58,128 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 18 states. [2018-11-18 22:11:58,128 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 18 states. [2018-11-18 22:11:58,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:11:58,130 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-11-18 22:11:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-18 22:11:58,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:11:58,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:11:58,131 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 20 states. [2018-11-18 22:11:58,131 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 20 states. [2018-11-18 22:11:58,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:11:58,134 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-11-18 22:11:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-18 22:11:58,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:11:58,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:11:58,135 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:11:58,135 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:11:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:11:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-11-18 22:11:58,137 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2018-11-18 22:11:58,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:11:58,137 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-11-18 22:11:58,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 22:11:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-11-18 22:11:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 22:11:58,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:11:58,138 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:11:58,139 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:11:58,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:11:58,139 INFO L82 PathProgramCache]: Analyzing trace with hash 361632356, now seen corresponding path program 1 times [2018-11-18 22:11:58,140 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:11:58,140 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:11:58,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:11:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 22:11:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 22:11:58,271 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 22:11:58,316 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-18 22:11:58,316 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 22:11:58,316 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 22:11:58,316 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 22:11:58,317 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2018-11-18 22:11:58,318 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 22:11:58,319 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 22:11:58,319 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 22:11:58,319 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2018-11-18 22:11:58,319 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2018-11-18 22:11:58,319 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 22:11:58,319 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 22:11:58,320 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 22:11:58,320 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 22:11:58,320 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2018-11-18 22:11:58,320 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2018-11-18 22:11:58,320 WARN L170 areAnnotationChecker]: L19-5 has no Hoare annotation [2018-11-18 22:11:58,320 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 22:11:58,321 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 22:11:58,321 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-18 22:11:58,321 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2018-11-18 22:11:58,321 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2018-11-18 22:11:58,321 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2018-11-18 22:11:58,321 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2018-11-18 22:11:58,322 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-18 22:11:58,322 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2018-11-18 22:11:58,322 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2018-11-18 22:11:58,322 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 22:11:58,322 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 22:11:58,322 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-18 22:11:58,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:11:58 BoogieIcfgContainer [2018-11-18 22:11:58,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 22:11:58,329 INFO L168 Benchmark]: Toolchain (without parser) took 2720.91 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -644.4 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-18 22:11:58,331 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 22:11:58,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.91 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. [2018-11-18 22:11:58,333 INFO L168 Benchmark]: Boogie Preprocessor took 47.15 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. [2018-11-18 22:11:58,334 INFO L168 Benchmark]: RCFGBuilder took 603.83 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -746.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-18 22:11:58,336 INFO L168 Benchmark]: TraceAbstraction took 1720.89 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: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2018-11-18 22:11:58,343 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 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.91 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 47.15 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 603.83 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -746.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1720.89 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: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int SIZE=1; [L14] unsigned int j,k; [L15] FCALL int array[SIZE], menor; [L17] menor = __VERIFIER_nondet_int() [L19] j=0 VAL [array={1:0}, j=0, menor=2147483646, SIZE=1] [L19] COND TRUE jmenor) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. UNSAFE Result, 1.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 3 SDslu, 12 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 2 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...