./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex02_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_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/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 6f23dff6f0d8a8ba60eb97a090e77b1c3a0ff5fb .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:39:27,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:39:27,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:39:27,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:39:27,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:39:27,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:39:27,516 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:39:27,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:39:27,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:39:27,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:39:27,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:39:27,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:39:27,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:39:27,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:39:27,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:39:27,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:39:27,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:39:27,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:39:27,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:39:27,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:39:27,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:39:27,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:39:27,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:39:27,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:39:27,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:39:27,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:39:27,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:39:27,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:39:27,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:39:27,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:39:27,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:39:27,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:39:27,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:39:27,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:39:27,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:39:27,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:39:27,534 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:39:27,541 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:39:27,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:39:27,542 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:39:27,542 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:39:27,543 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:39:27,543 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:39:27,543 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:39:27,543 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:39:27,543 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:39:27,543 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:39:27,544 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:39:27,545 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:39:27,545 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:39:27,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:39:27,545 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:39:27,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:39:27,545 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:39:27,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:39:27,546 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:39:27,546 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:39:27,546 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:39:27,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:39:27,546 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_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/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 -> 6f23dff6f0d8a8ba60eb97a090e77b1c3a0ff5fb [2018-11-23 08:39:27,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:39:27,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:39:27,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:39:27,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:39:27,585 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:39:27,586 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/../../sv-benchmarks/c/loops/trex02_false-unreach-call_true-termination.i [2018-11-23 08:39:27,626 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/data/fed279c70/b9b4453c4bc046d4a61fc6fd749cc642/FLAG3c0d0288f [2018-11-23 08:39:28,037 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:39:28,038 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/sv-benchmarks/c/loops/trex02_false-unreach-call_true-termination.i [2018-11-23 08:39:28,042 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/data/fed279c70/b9b4453c4bc046d4a61fc6fd749cc642/FLAG3c0d0288f [2018-11-23 08:39:28,054 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/data/fed279c70/b9b4453c4bc046d4a61fc6fd749cc642 [2018-11-23 08:39:28,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:39:28,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:39:28,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:39:28,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:39:28,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:39:28,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c3c4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28, skipping insertion in model container [2018-11-23 08:39:28,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:39:28,090 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:39:28,200 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:39:28,202 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:39:28,210 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:39:28,218 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:39:28,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28 WrapperNode [2018-11-23 08:39:28,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:39:28,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:39:28,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:39:28,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:39:28,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:39:28,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:39:28,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:39:28,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:39:28,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:39:28,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:39:28,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:39:28,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:39:28,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/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 08:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-11-23 08:39:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-11-23 08:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:39:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:39:28,437 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:39:28,437 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:39:28,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:28 BoogieIcfgContainer [2018-11-23 08:39:28,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:39:28,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:39:28,438 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:39:28,447 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:39:28,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:28" (1/1) ... [2018-11-23 08:39:28,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:39:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:39:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 08:39:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 08:39:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 08:39:28,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:39:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:39:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:39:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:39:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:39:28,564 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~x~0 := 0;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_~c~0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;~x~0 := main_#t~nondet1;havoc main_#t~nondet1; VAL [~x~0=(- 1)] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(~x~0 > 0);}EndParallelComposition__VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, ~x~0=(- 1)] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, ~x~0=(- 1)] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, ~x~0=(- 1)] [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] assume !(~x~0 > 0); [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3-L5] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] assume !(~x~0 > 0); [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3-L5] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L10] ~x~0 := 0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~x~0 := #t~nondet1; [L15] havoc #t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L2-L7] ~cond := #in~cond; VAL [~x~0=-1] [L3] COND TRUE 0 == ~cond VAL [~x~0=-1] [L4] assert false; VAL [~x~0=-1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~x~0 := #t~nondet1; [L15] havoc #t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L2-L7] ~cond := #in~cond; VAL [~x~0=-1] [L3] COND TRUE 0 == ~cond VAL [~x~0=-1] [L4] assert false; VAL [~x~0=-1] [L10] int x; [L15] x=__VERIFIER_nondet_int() [L16] COND FALSE !(x > 0) [L3] COND TRUE !(cond) VAL [x=-1] [L4] __VERIFIER_error() VAL [x=-1] ----- [2018-11-23 08:39:28,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:39:28 ImpRootNode [2018-11-23 08:39:28,584 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:39:28,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:39:28,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:39:28,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:39:28,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:28" (3/4) ... [2018-11-23 08:39:28,587 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~x~0 := 0;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_~c~0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;~x~0 := main_#t~nondet1;havoc main_#t~nondet1; VAL [~x~0=(- 1)] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(~x~0 > 0);}EndParallelComposition__VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, ~x~0=(- 1)] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, ~x~0=(- 1)] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, ~x~0=(- 1)] [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] assume !(~x~0 > 0); [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3-L5] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] assume !(~x~0 > 0); [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3-L5] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~c~0; [L15] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L15] ~x~0 := main_#t~nondet1; [L15] havoc main_#t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L21] __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L2-L7] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L3] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, ~x~0=-1] [L10] ~x~0 := 0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~x~0 := #t~nondet1; [L15] havoc #t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L2-L7] ~cond := #in~cond; VAL [~x~0=-1] [L3] COND TRUE 0 == ~cond VAL [~x~0=-1] [L4] assert false; VAL [~x~0=-1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L15] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L15] ~x~0 := #t~nondet1; [L15] havoc #t~nondet1; VAL [~x~0=-1] [L16-L20] COND TRUE !(~x~0 > 0) [L2-L7] ~cond := #in~cond; VAL [~x~0=-1] [L3] COND TRUE 0 == ~cond VAL [~x~0=-1] [L4] assert false; VAL [~x~0=-1] [L10] int x; [L15] x=__VERIFIER_nondet_int() [L16] COND FALSE !(x > 0) [L3] COND TRUE !(cond) VAL [x=-1] [L4] __VERIFIER_error() VAL [x=-1] ----- [2018-11-23 08:39:28,617 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5f237768-2b6b-4e3a-879c-ae3a41b20fc3/bin-2019/ukojak/witness.graphml [2018-11-23 08:39:28,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:39:28,618 INFO L168 Benchmark]: Toolchain (without parser) took 560.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:39:28,619 INFO L168 Benchmark]: CDTParser took 0.15 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 08:39:28,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.19 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:39:28,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.11 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:39:28,620 INFO L168 Benchmark]: Boogie Preprocessor took 11.26 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:39:28,620 INFO L168 Benchmark]: RCFGBuilder took 188.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:39:28,621 INFO L168 Benchmark]: CodeCheck took 146.08 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:39:28,621 INFO L168 Benchmark]: Witness Printer took 33.04 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:39:28,623 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 2 procedures, 16 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: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int x; [L15] x=__VERIFIER_nondet_int() [L16] COND FALSE !(x > 0) [L3] COND TRUE !(cond) VAL [x=-1] [L4] __VERIFIER_error() VAL [x=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 160.19 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 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 18.11 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.26 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 188.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 146.08 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 33.04 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...