./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion_false-unreach-call_true-termination.c --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_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/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 59cfeb3705edf7a8f1fb3969f0cbe1c9b0cfc4af .................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-22 22:41:27,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:41:27,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:41:27,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:41:27,073 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:41:27,074 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:41:27,075 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:41:27,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:41:27,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:41:27,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:41:27,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:41:27,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:41:27,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:41:27,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:41:27,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:41:27,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:41:27,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:41:27,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:41:27,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:41:27,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:41:27,086 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:41:27,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:41:27,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:41:27,088 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:41:27,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:41:27,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:41:27,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:41:27,090 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:41:27,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:41:27,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:41:27,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:41:27,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:41:27,092 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:41:27,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:41:27,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:41:27,093 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:41:27,093 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 22:41:27,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:41:27,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:41:27,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:41:27,105 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:41:27,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:41:27,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:41:27,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:41:27,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:41:27,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:41:27,106 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:41:27,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:41:27,107 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:41:27,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:41:27,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:41:27,107 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:41:27,107 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:41:27,107 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:41:27,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:41:27,108 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:41:27,108 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:41:27,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:41:27,108 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:41:27,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:41:27,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:41:27,109 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:41:27,109 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:41:27,109 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 22:41:27,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:41:27,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:41:27,110 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_7309c576-929d-41ac-93b3-e9e49b2f4144/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 -> 59cfeb3705edf7a8f1fb3969f0cbe1c9b0cfc4af [2018-11-22 22:41:27,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:41:27,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:41:27,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:41:27,149 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:41:27,150 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:41:27,150 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion_false-unreach-call_true-termination.c [2018-11-22 22:41:27,199 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/data/fff36845b/7c34650f543e4c4da01fa6f739547c46/FLAG4068c5532 [2018-11-22 22:41:27,550 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:41:27,550 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion_false-unreach-call_true-termination.c [2018-11-22 22:41:27,554 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/data/fff36845b/7c34650f543e4c4da01fa6f739547c46/FLAG4068c5532 [2018-11-22 22:41:27,980 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/data/fff36845b/7c34650f543e4c4da01fa6f739547c46 [2018-11-22 22:41:27,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:41:27,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:41:27,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:41:27,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:41:27,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:41:27,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:41:27" (1/1) ... [2018-11-22 22:41:27,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468ecb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:27, skipping insertion in model container [2018-11-22 22:41:27,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:41:27" (1/1) ... [2018-11-22 22:41:27,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:41:28,015 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:41:28,135 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:41:28,139 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:41:28,148 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:41:28,158 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:41:28,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28 WrapperNode [2018-11-22 22:41:28,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:41:28,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:41:28,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:41:28,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:41:28,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:41:28,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:41:28,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:41:28,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:41:28,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:41:28,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:41:28,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:41:28,193 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:41:28,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/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 [2018-11-22 22:41:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:41:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:41:28,362 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:41:28,362 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-22 22:41:28,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:28 BoogieIcfgContainer [2018-11-22 22:41:28,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:41:28,363 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:41:28,363 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:41:28,370 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:41:28,370 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:28" (1/1) ... [2018-11-22 22:41:28,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:41:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:41:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-22 22:41:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-22 22:41:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-22 22:41:28,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:41:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:41:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:41:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:41:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:41:28,516 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_~plus_one~0, main_~minus_one~0;main_~plus_one~0 := 1;main_~minus_one~0 := -1; VAL [ULTIMATE.start_main_~minus_one~0=(- 1), ULTIMATE.start_main_~plus_one~0=1] [?] assume main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296; VAL [ULTIMATE.start_main_~minus_one~0=(- 1), ULTIMATE.start_main_~plus_one~0=1] [?] assume !false; VAL [ULTIMATE.start_main_~minus_one~0=(- 1), ULTIMATE.start_main_~plus_one~0=1] [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7-L9] assume main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7-L9] assume main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7] COND TRUE main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296 VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7] COND TRUE main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296 VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L4] ~plus_one~0 := 1; [L5] ~minus_one~0 := -1; [L7] COND TRUE ~plus_one~0 % 4294967296 < ~minus_one~0 % 4294967296 [L12] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L4] ~plus_one~0 := 1; [L5] ~minus_one~0 := -1; [L7] COND TRUE ~plus_one~0 % 4294967296 < ~minus_one~0 % 4294967296 [L12] assert false; [L4] unsigned int plus_one = 1; [L5] int minus_one = -1; [L7] COND TRUE plus_one < minus_one [L12] __VERIFIER_error() ----- [2018-11-22 22:41:28,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:41:28 ImpRootNode [2018-11-22 22:41:28,535 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:41:28,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:41:28,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:41:28,536 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:41:28,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:28" (3/4) ... [2018-11-22 22:41:28,539 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~plus_one~0, main_~minus_one~0;main_~plus_one~0 := 1;main_~minus_one~0 := -1; VAL [ULTIMATE.start_main_~minus_one~0=(- 1), ULTIMATE.start_main_~plus_one~0=1] [?] assume main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296; VAL [ULTIMATE.start_main_~minus_one~0=(- 1), ULTIMATE.start_main_~plus_one~0=1] [?] assume !false; VAL [ULTIMATE.start_main_~minus_one~0=(- 1), ULTIMATE.start_main_~plus_one~0=1] [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7-L9] assume main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7-L9] assume main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7] COND TRUE main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296 VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~plus_one~0, main_~minus_one~0; [L4] main_~plus_one~0 := 1; [L5] main_~minus_one~0 := -1; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L7] COND TRUE main_~plus_one~0 % 4294967296 < main_~minus_one~0 % 4294967296 VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L12] assert false; VAL [main_~minus_one~0=-1, main_~plus_one~0=1] [L4] ~plus_one~0 := 1; [L5] ~minus_one~0 := -1; [L7] COND TRUE ~plus_one~0 % 4294967296 < ~minus_one~0 % 4294967296 [L12] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L4] ~plus_one~0 := 1; [L5] ~minus_one~0 := -1; [L7] COND TRUE ~plus_one~0 % 4294967296 < ~minus_one~0 % 4294967296 [L12] assert false; [L4] unsigned int plus_one = 1; [L5] int minus_one = -1; [L7] COND TRUE plus_one < minus_one [L12] __VERIFIER_error() ----- [2018-11-22 22:41:28,572 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7309c576-929d-41ac-93b3-e9e49b2f4144/bin-2019/ukojak/witness.graphml [2018-11-22 22:41:28,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:41:28,573 INFO L168 Benchmark]: Toolchain (without parser) took 590.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:41:28,574 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:41:28,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.38 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:41:28,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:41:28,576 INFO L168 Benchmark]: Boogie Preprocessor took 11.21 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. [2018-11-22 22:41:28,576 INFO L168 Benchmark]: RCFGBuilder took 169.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:41:28,577 INFO L168 Benchmark]: CodeCheck took 172.78 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: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:41:28,581 INFO L168 Benchmark]: Witness Printer took 37.02 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: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:41:28,584 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, 7 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, 3 NumberOfCodeBlocks, 3 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] unsigned int plus_one = 1; [L5] int minus_one = -1; [L7] COND TRUE plus_one < minus_one [L12] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.38 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 21.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.21 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 169.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * CodeCheck took 172.78 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: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.02 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: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...