./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/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 afd83cd8a8397cc0692895bb673770a4d5c33fbd .................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 10:17:23,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:23,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:23,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:23,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:23,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:23,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:23,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:23,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:23,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:23,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:23,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:23,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:23,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:23,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:23,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:23,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:23,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:23,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:23,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:23,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:23,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:23,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:23,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:23,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:23,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:23,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:23,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:23,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:23,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:23,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:23,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:23,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:23,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:23,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:23,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:23,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:23,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:23,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:23,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:23,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:23,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-10-22 10:17:23,961 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:23,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:23,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:23,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:23,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:23,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:23,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:23,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:17:23,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:23,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:23,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:23,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:23,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:23,965 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:17:23,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:23,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:23,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:23,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:23,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:23,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:23,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:23,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:23,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:23,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:23,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:23,967 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:23,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:23,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:23,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/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 -> afd83cd8a8397cc0692895bb673770a4d5c33fbd [2019-10-22 10:17:23,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:24,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:24,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:24,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:24,006 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:24,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c [2019-10-22 10:17:24,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/data/07e8636d4/df0df9e262054935af58c93d89cb9b63/FLAG2eb9885ef [2019-10-22 10:17:24,415 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:24,415 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c [2019-10-22 10:17:24,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/data/07e8636d4/df0df9e262054935af58c93d89cb9b63/FLAG2eb9885ef [2019-10-22 10:17:24,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/data/07e8636d4/df0df9e262054935af58c93d89cb9b63 [2019-10-22 10:17:24,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:24,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:24,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:24,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:24,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:24,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:24" (1/1) ... [2019-10-22 10:17:24,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cebc5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:24, skipping insertion in model container [2019-10-22 10:17:24,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:24" (1/1) ... [2019-10-22 10:17:24,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:24,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:24,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:24,976 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:24,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:25,051 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:25,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25 WrapperNode [2019-10-22 10:17:25,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:25,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:25,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:25,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:25,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:25,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:25,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:25,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:25,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:25,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:25,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:25,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:25,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/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 [2019-10-22 10:17:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:25,351 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:25,351 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:17:25,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:25 BoogieIcfgContainer [2019-10-22 10:17:25,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:25,353 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:25,353 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:25,376 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:25,382 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:25,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:17:25,455 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:17:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:17:25,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:25,604 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-10-22 10:17:25,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:25 ImpRootNode [2019-10-22 10:17:25,634 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:25,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:25,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:25,635 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:25,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:25" (3/4) ... [2019-10-22 10:17:25,637 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:17:25,668 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf53488d-007f-4c82-b11b-58e2c2ac23ac/bin/ukojak/witness.graphml [2019-10-22 10:17:25,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:25,671 INFO L168 Benchmark]: Toolchain (without parser) took 839.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:25,672 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:25,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:25,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.05 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:25,676 INFO L168 Benchmark]: Boogie Preprocessor took 12.55 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. [2019-10-22 10:17:25,676 INFO L168 Benchmark]: RCFGBuilder took 262.34 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:25,678 INFO L168 Benchmark]: CodeCheck took 281.50 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:25,678 INFO L168 Benchmark]: Witness Printer took 34.76 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:25,681 INFO L335 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, 11 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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 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: [L14] int q, y; [L15] q = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE q > 0 [L18] q - y * 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 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.05 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.55 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. * RCFGBuilder took 262.34 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * CodeCheck took 281.50 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Witness Printer took 34.76 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...