./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/gcd1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/gcd1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/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 bdfef58fa4fb3de1b318ab5efff1c275e7824970 .................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-01 10:11:43,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 10:11:43,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 10:11:43,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 10:11:43,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 10:11:43,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 10:11:43,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 10:11:43,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 10:11:43,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 10:11:43,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 10:11:43,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 10:11:43,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 10:11:43,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 10:11:43,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 10:11:43,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 10:11:43,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 10:11:43,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 10:11:43,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 10:11:43,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 10:11:43,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 10:11:43,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 10:11:43,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 10:11:43,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 10:11:43,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 10:11:44,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 10:11:44,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 10:11:44,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 10:11:44,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 10:11:44,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 10:11:44,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 10:11:44,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 10:11:44,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 10:11:44,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 10:11:44,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 10:11:44,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 10:11:44,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 10:11:44,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 10:11:44,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 10:11:44,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 10:11:44,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 10:11:44,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 10:11:44,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-01 10:11:44,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 10:11:44,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 10:11:44,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 10:11:44,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 10:11:44,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 10:11:44,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 10:11:44,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 10:11:44,018 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-01 10:11:44,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 10:11:44,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 10:11:44,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 10:11:44,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 10:11:44,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 10:11:44,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 10:11:44,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 10:11:44,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:11:44,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 10:11:44,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 10:11:44,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 10:11:44,019 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 10:11:44,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 10:11:44,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 10:11:44,019 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/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/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 -> bdfef58fa4fb3de1b318ab5efff1c275e7824970 [2019-12-01 10:11:44,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 10:11:44,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 10:11:44,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 10:11:44,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 10:11:44,128 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 10:11:44,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/gcd1.c [2019-12-01 10:11:44,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/data/5eff896dd/504905fd19da4f2eafa0e1ad654840b9/FLAG98d976b21 [2019-12-01 10:11:44,593 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 10:11:44,593 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/sv-benchmarks/c/termination-crafted-lit/gcd1.c [2019-12-01 10:11:44,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/data/5eff896dd/504905fd19da4f2eafa0e1ad654840b9/FLAG98d976b21 [2019-12-01 10:11:44,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/data/5eff896dd/504905fd19da4f2eafa0e1ad654840b9 [2019-12-01 10:11:44,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 10:11:44,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 10:11:44,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 10:11:44,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 10:11:44,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 10:11:44,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e6018b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44, skipping insertion in model container [2019-12-01 10:11:44,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 10:11:44,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 10:11:44,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:11:44,727 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 10:11:44,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:11:44,778 INFO L208 MainTranslator]: Completed translation [2019-12-01 10:11:44,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44 WrapperNode [2019-12-01 10:11:44,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 10:11:44,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 10:11:44,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 10:11:44,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 10:11:44,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 10:11:44,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 10:11:44,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 10:11:44,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 10:11:44,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:44,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 10:11:44,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 10:11:44,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 10:11:44,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 10:11:44,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:11:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/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 [2019-12-01 10:11:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 10:11:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 10:11:44,987 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 10:11:44,987 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 10:11:44,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:11:44 BoogieIcfgContainer [2019-12-01 10:11:44,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 10:11:44,988 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 10:11:44,988 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 10:11:44,995 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 10:11:44,995 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:11:44" (1/1) ... [2019-12-01 10:11:45,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 10:11:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:11:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2019-12-01 10:11:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-12-01 10:11:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 10:11:45,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:11:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 10:11:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 10:11:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 10:11:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 10:11:45,111 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-12-01 10:11:45,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:11:45 ImpRootNode [2019-12-01 10:11:45,123 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 10:11:45,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 10:11:45,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 10:11:45,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 10:11:45,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:11:44" (3/4) ... [2019-12-01 10:11:45,126 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 10:11:45,150 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ae219a28-ba8d-4c58-9200-c04827b5f8b9/bin/ukojak/witness.graphml [2019-12-01 10:11:45,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 10:11:45,151 INFO L168 Benchmark]: Toolchain (without parser) took 542.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -110.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:11:45,152 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:11:45,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-01 10:11:45,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:11:45,153 INFO L168 Benchmark]: Boogie Preprocessor took 13.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:11:45,153 INFO L168 Benchmark]: RCFGBuilder took 172.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-01 10:11:45,153 INFO L168 Benchmark]: CodeCheck took 135.14 ms. Allocated memory is still 1.1 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. [2019-12-01 10:11:45,154 INFO L168 Benchmark]: Witness Printer took 26.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 10:11:45,156 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, 18 locations, 6 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int r, x, y; [L17] x = __VERIFIER_nondet_int() [L18] y = __VERIFIER_nondet_int() [L20] COND TRUE x<0 [L20] -x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 172.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * CodeCheck took 135.14 ms. Allocated memory is still 1.1 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 26.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...