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/loops/count_up_down_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:21:43,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:21:43,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:21:43,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:21:43,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:21:43,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:21:43,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:21:43,699 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:21:43,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:21:43,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:21:43,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:21:43,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:21:43,707 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:21:43,708 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:21:43,710 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:21:43,711 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:21:43,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:21:43,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:21:43,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:21:43,727 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:21:43,728 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:21:43,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:21:43,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:21:43,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:21:43,737 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:21:43,738 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:21:43,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:21:43,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:21:43,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:21:43,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:21:43,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:21:43,748 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:21:43,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:21:43,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:21:43,750 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:21:43,751 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:21:43,751 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 11:21:43,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:21:43,767 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:21:43,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:21:43,768 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:21:43,768 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:21:43,768 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:21:43,769 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:21:43,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:21:43,769 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:21:43,769 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:21:43,769 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:21:43,770 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:21:43,770 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:21:43,770 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:21:43,770 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:21:43,770 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:21:43,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:21:43,771 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:21:43,771 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:21:43,771 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:21:43,771 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:21:43,772 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:21:43,772 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:21:43,772 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:21:43,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:21:43,772 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:21:43,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:21:43,773 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:21:43,773 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:21:43,773 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:21:43,773 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:21:43,773 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:21:43,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:21:43,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:21:43,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:21:43,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:21:43,840 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:21:43,840 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:21:43,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down_false-unreach-call_true-termination.i [2018-11-23 11:21:43,899 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17ca93456/08efb8b12c4c432e84116d9af9c7c7a4/FLAG12b93ecee [2018-11-23 11:21:44,319 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:21:44,319 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down_false-unreach-call_true-termination.i [2018-11-23 11:21:44,325 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17ca93456/08efb8b12c4c432e84116d9af9c7c7a4/FLAG12b93ecee [2018-11-23 11:21:44,700 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17ca93456/08efb8b12c4c432e84116d9af9c7c7a4 [2018-11-23 11:21:44,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:21:44,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:21:44,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:21:44,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:21:44,719 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:21:44,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:44" (1/1) ... [2018-11-23 11:21:44,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7098ea53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:44, skipping insertion in model container [2018-11-23 11:21:44,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:44" (1/1) ... [2018-11-23 11:21:44,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:21:44,763 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:21:45,021 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:21:45,028 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:21:45,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:21:45,067 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:21:45,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45 WrapperNode [2018-11-23 11:21:45,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:21:45,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:21:45,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:21:45,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:21:45,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:21:45,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:21:45,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:21:45,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:21:45,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (1/1) ... [2018-11-23 11:21:45,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:21:45,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:21:45,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:21:45,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:21:45,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (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 11:21:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:21:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:21:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:21:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:21:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:21:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:21:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:21:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:21:45,650 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:21:45,650 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:21:45,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:45 BoogieIcfgContainer [2018-11-23 11:21:45,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:21:45,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:21:45,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:21:45,655 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:21:45,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:21:44" (1/3) ... [2018-11-23 11:21:45,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d6fb24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:45, skipping insertion in model container [2018-11-23 11:21:45,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:45" (2/3) ... [2018-11-23 11:21:45,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d6fb24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:45, skipping insertion in model container [2018-11-23 11:21:45,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:45" (3/3) ... [2018-11-23 11:21:45,659 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down_false-unreach-call_true-termination.i [2018-11-23 11:21:45,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:21:45,677 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:21:45,695 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:21:45,728 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:21:45,729 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:21:45,730 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:21:45,730 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:21:45,730 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:21:45,730 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:21:45,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:21:45,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:21:45,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:21:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 11:21:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:21:45,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:21:45,757 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:21:45,760 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:21:45,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:21:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2018-11-23 11:21:45,770 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:21:45,770 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 11:21:45,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:21:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:21:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:21:45,853 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret3 := main(); [?] ~n~0 := #t~nondet0;havoc #t~nondet0;~x~0 := ~n~0;~y~0 := 0bv32; VAL [main_~n~0=(_ bv0 32), main_~x~0=(_ bv0 32), main_~y~0=(_ bv0 32)] [?] assume !~bvugt32(~x~0, 0bv32); VAL [main_~n~0=(_ bv0 32), main_~x~0=(_ bv0 32), main_~y~0=(_ bv0 32)] [?] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [|__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume 0bv32 == ~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume !false; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] assume !~bvugt32(~x~0, 0bv32); VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4-L6] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] assume !~bvugt32(~x~0, 0bv32); VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4-L6] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 11:21:45,886 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:21:45,886 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-23 11:21:45,887 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-23 11:21:45,887 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-23 11:21:45,887 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2018-11-23 11:21:45,887 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:21:45,887 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-23 11:21:45,887 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-23 11:21:45,888 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-23 11:21:45,888 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-23 11:21:45,888 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-23 11:21:45,889 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:21:45,889 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:21:45,889 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:21:45,889 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2018-11-23 11:21:45,889 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2018-11-23 11:21:45,889 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:21:45,890 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:21:45,890 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:21:45,891 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:21:45,891 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:21:45,891 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:21:45,891 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. [2018-11-23 11:21:45,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:21:45 BoogieIcfgContainer [2018-11-23 11:21:45,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:21:45,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:21:45,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:21:45,897 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:21:45,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:45" (3/4) ... [2018-11-23 11:21:45,901 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret3 := main(); [?] ~n~0 := #t~nondet0;havoc #t~nondet0;~x~0 := ~n~0;~y~0 := 0bv32; VAL [main_~n~0=(_ bv0 32), main_~x~0=(_ bv0 32), main_~y~0=(_ bv0 32)] [?] assume !~bvugt32(~x~0, 0bv32); VAL [main_~n~0=(_ bv0 32), main_~x~0=(_ bv0 32), main_~y~0=(_ bv0 32)] [?] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [|__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume 0bv32 == ~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume !false; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] assume !~bvugt32(~x~0, 0bv32); VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4-L6] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] assume !~bvugt32(~x~0, 0bv32); VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4-L6] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0bv32; VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L15-L19] COND TRUE !~bvugt32(~x~0, 0bv32) VAL [~n~0=0bv32, ~x~0=0bv32, ~y~0=0bv32] [L20] CALL call __VERIFIER_assert((if ~y~0 != ~n~0 then 1bv32 else 0bv32)); VAL [#in~cond=0bv32] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L5] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 11:21:45,955 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loops/count_up_down_false-unreach-call_true-termination.i-witness.graphml [2018-11-23 11:21:45,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:21:45,957 INFO L168 Benchmark]: Toolchain (without parser) took 1243.81 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -720.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:21:45,958 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:21:45,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.60 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 11:21:45,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.19 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 11:21:45,960 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 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 11:21:45,961 INFO L168 Benchmark]: RCFGBuilder took 536.35 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -754.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:21:45,962 INFO L168 Benchmark]: TraceAbstraction took 244.17 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2018-11-23 11:21:45,963 INFO L168 Benchmark]: Witness Printer took 58.55 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:21:45,967 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.60 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 21.19 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 24.82 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 536.35 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -754.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244.17 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Witness Printer took 58.55 ms. Allocated memory is still 2.2 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: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) 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, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...