./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:04:46,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:04:46,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:04:46,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:04:46,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:04:46,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:04:46,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:04:46,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:04:46,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:04:46,849 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:04:46,850 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:04:46,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:04:46,850 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:04:46,851 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:04:46,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:04:46,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:04:46,852 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:04:46,853 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:04:46,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:04:46,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:04:46,856 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:04:46,856 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:04:46,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:04:46,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:04:46,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:04:46,858 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:04:46,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:04:46,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:04:46,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:04:46,860 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:04:46,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:04:46,861 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:04:46,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:04:46,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:04:46,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:04:46,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:04:46,863 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:04:46,870 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:04:46,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:04:46,871 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:04:46,871 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:04:46,872 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:04:46,872 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:04:46,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:04:46,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:04:46,872 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:04:46,872 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:04:46,873 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:04:46,874 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:04:46,874 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:04:46,874 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:04:46,874 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:04:46,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:04:46,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:04:46,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:04:46,875 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:04:46,875 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:04:46,875 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:04:46,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:04:46,875 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2018-11-23 04:04:46,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:04:46,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:04:46,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:04:46,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:04:46,911 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:04:46,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/../../sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i [2018-11-23 04:04:46,949 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/data/56c6bb17f/3f9eebd8c7e04aeea9b417e0d6eeec8d/FLAG945354e0b [2018-11-23 04:04:47,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:04:47,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i [2018-11-23 04:04:47,362 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/data/56c6bb17f/3f9eebd8c7e04aeea9b417e0d6eeec8d/FLAG945354e0b [2018-11-23 04:04:47,370 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/data/56c6bb17f/3f9eebd8c7e04aeea9b417e0d6eeec8d [2018-11-23 04:04:47,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:04:47,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:04:47,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:04:47,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:04:47,375 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:04:47,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707ef55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47, skipping insertion in model container [2018-11-23 04:04:47,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:04:47,394 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:04:47,494 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:04:47,496 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:04:47,504 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:04:47,512 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:04:47,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47 WrapperNode [2018-11-23 04:04:47,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:04:47,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:04:47,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:04:47,513 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:04:47,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:04:47,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:04:47,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:04:47,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:04:47,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:04:47,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:04:47,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:04:47,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:04:47,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 04:04:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:04:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:04:47,703 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:04:47,703 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 04:04:47,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:47 BoogieIcfgContainer [2018-11-23 04:04:47,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:04:47,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:04:47,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:04:47,713 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:04:47,714 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:47" (1/1) ... [2018-11-23 04:04:47,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:04:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:04:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 04:04:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 04:04:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 04:04:47,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:04:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:04:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:04:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:04:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:04:47,846 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_~n~0;main_~y~0 := 0; VAL [ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(main_~x~0 % 4294967296 > 0);}EndParallelComposition__VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] assume !(main_~x~0 % 4294967296 > 0); [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] assume !(main_~x~0 % 4294967296 > 0); [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] COND TRUE !(main_~x~0 % 4294967296 > 0) [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] COND TRUE !(main_~x~0 % 4294967296 > 0) [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; [L15] COND FALSE !(x>0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() ----- [2018-11-23 04:04:47,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:04:47 ImpRootNode [2018-11-23 04:04:47,866 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:04:47,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:04:47,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:04:47,867 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:04:47,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:47" (3/4) ... [2018-11-23 04:04:47,869 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_~n~0;main_~y~0 := 0; VAL [ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(main_~x~0 % 4294967296 > 0);}EndParallelComposition__VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~n~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] assume !(main_~x~0 % 4294967296 > 0); [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] assume !(main_~x~0 % 4294967296 > 0); [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] COND TRUE !(main_~x~0 % 4294967296 > 0) [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_~n~0, main_~x~0, main_~y~0; [L13] main_~n~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; [L14] main_~x~0 := main_~n~0; [L14] main_~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [L15-L19] COND TRUE !(main_~x~0 % 4294967296 > 0) [L20] __VERIFIER_assert_#in~cond := (if main_~y~0 % 4294967296 != main_~n~0 % 4294967296 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~n~0=0, main_~x~0=0, main_~y~0=0] [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; [L15] COND FALSE !(x>0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() ----- [2018-11-23 04:04:47,903 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f04f7aa6-ffae-4ea2-aa4f-da18b4b5e6a6/bin-2019/ukojak/witness.graphml [2018-11-23 04:04:47,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:04:47,904 INFO L168 Benchmark]: Toolchain (without parser) took 531.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:04:47,905 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:04:47,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.55 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:04:47,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:04:47,906 INFO L168 Benchmark]: Boogie Preprocessor took 9.93 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:04:47,907 INFO L168 Benchmark]: RCFGBuilder took 163.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:04:47,907 INFO L168 Benchmark]: CodeCheck took 162.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:04:47,908 INFO L168 Benchmark]: Witness Printer took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:04:47,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - 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; [L15] COND FALSE !(x>0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.55 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.93 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 163.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 162.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...