./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb8f51b479f295f85625b99c3f71decccfdfa07a ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:22:15,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:22:15,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:22:15,490 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:22:15,490 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:22:15,491 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:22:15,492 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:22:15,493 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:22:15,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:22:15,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:22:15,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:22:15,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:22:15,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:22:15,496 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:22:15,497 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:22:15,497 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:22:15,498 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:22:15,499 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:22:15,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:22:15,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:22:15,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:22:15,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:22:15,504 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:22:15,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:22:15,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:22:15,505 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:22:15,506 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:22:15,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:22:15,507 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:22:15,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:22:15,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:22:15,508 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:22:15,508 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:22:15,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:22:15,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:22:15,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:22:15,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 14:22:15,517 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:22:15,517 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:22:15,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:22:15,518 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:22:15,518 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:22:15,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:22:15,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:22:15,519 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 14:22:15,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:22:15,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:22:15,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:22:15,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:22:15,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:22:15,520 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 14:22:15,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:22:15,520 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:22:15,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:22:15,520 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:22:15,520 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:22:15,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:22:15,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:22:15,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:22:15,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:22:15,521 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:22:15,521 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:22:15,521 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:22:15,521 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:22:15,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:22:15,522 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_ca8799d6-d484-48c7-9f15-3c25757ba1aa/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8f51b479f295f85625b99c3f71decccfdfa07a [2018-11-23 14:22:15,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:22:15,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:22:15,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:22:15,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:22:15,559 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:22:15,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5_false-no-overflow.c [2018-11-23 14:22:15,604 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/data/c9cf565d8/9820f705f3ca4a9c9809e6364e3b6031/FLAGb3a5bd456 [2018-11-23 14:22:15,904 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:22:15,904 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/sv-benchmarks/c/termination-crafted/NonTerminationSimple5_false-no-overflow.c [2018-11-23 14:22:15,908 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/data/c9cf565d8/9820f705f3ca4a9c9809e6364e3b6031/FLAGb3a5bd456 [2018-11-23 14:22:15,918 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/data/c9cf565d8/9820f705f3ca4a9c9809e6364e3b6031 [2018-11-23 14:22:15,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:22:15,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:22:15,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:22:15,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:22:15,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:22:15,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:15" (1/1) ... [2018-11-23 14:22:15,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735eaee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:15, skipping insertion in model container [2018-11-23 14:22:15,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:15" (1/1) ... [2018-11-23 14:22:15,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:22:15,944 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:22:16,048 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:22:16,051 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:22:16,060 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:22:16,068 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:22:16,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16 WrapperNode [2018-11-23 14:22:16,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:22:16,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:22:16,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:22:16,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:22:16,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:22:16,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:22:16,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:22:16,089 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:22:16,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:22:16,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:22:16,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:22:16,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:22:16,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/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 14:22:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:22:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:22:16,267 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:22:16,267 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 14:22:16,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:16 BoogieIcfgContainer [2018-11-23 14:22:16,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:22:16,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:22:16,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:22:16,275 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:22:16,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:16" (1/1) ... [2018-11-23 14:22:16,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:22:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:22:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-23 14:22:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-23 14:22:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 14:22:16,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:22:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:22:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:22:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:22:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:22:16,377 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~nondet1, main_~x~0;havoc main_~x~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; VAL [ULTIMATE.start_main_~x~0=2147483647] [?] assume !!(main_~x~0 >= 0);assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~x~0=2147483647, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~x~0=2147483647] [?] assume !(1 + main_~x~0 <= 2147483647); VAL [ULTIMATE.start_main_~x~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] assume !!(main_~x~0 >= 0); [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15-L19] assume !(0 != main_#t~nondet1); [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] assume !!(main_~x~0 >= 0); [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15-L19] assume !(0 != main_#t~nondet1); [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] COND FALSE !(!(main_~x~0 >= 0)) [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15] COND FALSE !(0 != main_#t~nondet1) [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] COND FALSE !(!(main_~x~0 >= 0)) [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15] COND FALSE !(0 != main_#t~nondet1) [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] [L12] havoc ~x~0; [L13] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14-L20] COND FALSE !(!(~x~0 >= 0)) [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] COND FALSE !(0 != #t~nondet1) [L15] havoc #t~nondet1; [L18] assert 1 + ~x~0 <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12] havoc ~x~0; [L13] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14-L20] COND FALSE !(!(~x~0 >= 0)) [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] COND FALSE !(0 != #t~nondet1) [L15] havoc #t~nondet1; [L18] assert 1 + ~x~0 <= 2147483647; [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 [L15] COND FALSE !(__VERIFIER_nondet_int() != 0) [L18] x + 1 ----- [2018-11-23 14:22:16,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:22:16 ImpRootNode [2018-11-23 14:22:16,392 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:22:16,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:22:16,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:22:16,393 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:22:16,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:16" (3/4) ... [2018-11-23 14:22:16,395 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~nondet1, main_~x~0;havoc main_~x~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; VAL [ULTIMATE.start_main_~x~0=2147483647] [?] assume !!(main_~x~0 >= 0);assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~x~0=2147483647, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~x~0=2147483647] [?] assume !(1 + main_~x~0 <= 2147483647); VAL [ULTIMATE.start_main_~x~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] assume !!(main_~x~0 >= 0); [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15-L19] assume !(0 != main_#t~nondet1); [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] assume !!(main_~x~0 >= 0); [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15-L19] assume !(0 != main_#t~nondet1); [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] COND FALSE !(!(main_~x~0 >= 0)) [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15] COND FALSE !(0 != main_#t~nondet1) [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_~x~0; [L12] havoc main_~x~0; [L13] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L13] main_~x~0 := main_#t~nondet0; [L13] havoc main_#t~nondet0; VAL [main_~x~0=2147483647] [L14-L20] COND FALSE !(!(main_~x~0 >= 0)) [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [main_#t~nondet1=0, main_~x~0=2147483647] [L15] COND FALSE !(0 != main_#t~nondet1) [L15] havoc main_#t~nondet1; VAL [main_~x~0=2147483647] [L18] assert 1 + main_~x~0 <= 2147483647; VAL [main_~x~0=2147483647] [L12] havoc ~x~0; [L13] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14-L20] COND FALSE !(!(~x~0 >= 0)) [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] COND FALSE !(0 != #t~nondet1) [L15] havoc #t~nondet1; [L18] assert 1 + ~x~0 <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12] havoc ~x~0; [L13] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L13] ~x~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14-L20] COND FALSE !(!(~x~0 >= 0)) [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] COND FALSE !(0 != #t~nondet1) [L15] havoc #t~nondet1; [L18] assert 1 + ~x~0 <= 2147483647; [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 [L15] COND FALSE !(__VERIFIER_nondet_int() != 0) [L18] x + 1 ----- [2018-11-23 14:22:16,421 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca8799d6-d484-48c7-9f15-3c25757ba1aa/bin-2019/ukojak/witness.graphml [2018-11-23 14:22:16,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:22:16,422 INFO L168 Benchmark]: Toolchain (without parser) took 500.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:22:16,423 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:22:16,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:16,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:16,424 INFO L168 Benchmark]: Boogie Preprocessor took 43.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:16,425 INFO L168 Benchmark]: RCFGBuilder took 135.61 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:16,426 INFO L168 Benchmark]: CodeCheck took 124.29 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:22:16,426 INFO L168 Benchmark]: Witness Printer took 28.33 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 14:22:16,430 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, 15 locations, 4 error locations. UNSAFE Result, 0.0s 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 [L15] COND FALSE !(__VERIFIER_nondet_int() != 0) [L18] x + 1 * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.61 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 124.29 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 28.33 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...