./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash a1ab69f0937890c2718fbb3a364dff1229f612b683709e7f1057d021d65f81aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:24,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:24,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:24,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:24,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:24,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:24,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:24,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:24,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:24,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:24,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:24,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:24,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:24,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:24,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:24,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:24,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:24,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:24,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:24,344 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:24,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:24,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:24,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:24,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:24,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:24,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:24,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:24,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:24,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:24,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:24,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:24,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:24,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:24,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:24,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:24,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1ab69f0937890c2718fbb3a364dff1229f612b683709e7f1057d021d65f81aa [2023-11-21 18:55:24,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:24,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:24,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:24,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:24,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:24,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c [2023-11-21 18:55:27,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:27,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:27,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c [2023-11-21 18:55:27,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/data/a7c3b3e31/75450071a95843b6aacf5f1629db03ad/FLAG6229ba2af [2023-11-21 18:55:27,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/data/a7c3b3e31/75450071a95843b6aacf5f1629db03ad [2023-11-21 18:55:27,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:27,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:27,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:27,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:27,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:27,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:27" (1/1) ... [2023-11-21 18:55:27,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdbc70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:27, skipping insertion in model container [2023-11-21 18:55:27,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:27" (1/1) ... [2023-11-21 18:55:28,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:28,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:28,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:28,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:28,225 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:28,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28 WrapperNode [2023-11-21 18:55:28,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:28,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:28,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:28,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:28,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,266 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-11-21 18:55:28,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:28,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:28,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:28,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:28,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:28,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:28,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:28,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:28,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:28,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:28,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:28,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-21 18:55:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-21 18:55:28,422 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:28,424 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:28,561 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:28,610 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:28,611 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:55:28,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:28 BoogieIcfgContainer [2023-11-21 18:55:28,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:28,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:28,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:28,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:28,627 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:28,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-21 18:55:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-21 18:55:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:55:28,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:28,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:55:28,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:55:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:55:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:55:28,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:55:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:55:28,894 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:55:28,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:55:28 ImpRootNode [2023-11-21 18:55:28,931 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:55:28,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:55:28,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:55:28,932 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:55:28,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:28" (3/4) ... [2023-11-21 18:55:28,934 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:55:28,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:55:28,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:55:28,977 INFO L158 Benchmark]: Toolchain (without parser) took 1005.65ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 80.8MB in the beginning and 121.6MB in the end (delta: -40.8MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-11-21 18:55:28,978 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:28,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.00ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 71.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:55:28,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.81ms. Allocated memory is still 125.8MB. Free memory was 71.0MB in the beginning and 69.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:28,980 INFO L158 Benchmark]: Boogie Preprocessor took 16.75ms. Allocated memory is still 125.8MB. Free memory was 69.6MB in the beginning and 68.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:28,981 INFO L158 Benchmark]: RCFGBuilder took 328.00ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 68.6MB in the beginning and 135.7MB in the end (delta: -67.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-21 18:55:28,982 INFO L158 Benchmark]: CodeCheck took 316.99ms. Allocated memory is still 165.7MB. Free memory was 134.7MB in the beginning and 124.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:55:28,983 INFO L158 Benchmark]: Witness Printer took 44.55ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 121.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:28,987 INFO L338 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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: 8]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int input = __VERIFIER_nondet_int(); [L15] CALL id(input) VAL [\old(x)=-2147483648] [L7] COND FALSE !(x==0) VAL [\old(x)=-2147483648, x=-2147483648] [L8] x-1 VAL [\old(x)=-2147483648, x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.00ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 71.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.81ms. Allocated memory is still 125.8MB. Free memory was 71.0MB in the beginning and 69.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.75ms. Allocated memory is still 125.8MB. Free memory was 69.6MB in the beginning and 68.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.00ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 68.6MB in the beginning and 135.7MB in the end (delta: -67.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 316.99ms. Allocated memory is still 165.7MB. Free memory was 134.7MB in the beginning and 124.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 44.55ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 121.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:55:29,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3db2b2-5b0e-4753-b34a-5e73f1901509/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)