./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Stockholm-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Stockholm-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC --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 64bit --witnessprinter.graph.data.programhash c8bdb6ca62102638e4c714c45c429447eaad54a6f4323dcd6db9bf930ca94aa4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:26,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:26,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:26:26,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:26,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:26,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:26,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:26,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:26,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:26,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:26,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:26,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:26,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:26,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:26,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:26,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:26,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:26,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:26,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:26,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:26,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:26,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:26,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:26,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:26,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:26,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:26,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:26,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:26,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:26,964 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:26,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:26,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:26,966 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_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8bdb6ca62102638e4c714c45c429447eaad54a6f4323dcd6db9bf930ca94aa4 [2023-11-23 20:26:27,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:27,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:27,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:27,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:27,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:27,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted/Stockholm-2.c [2023-11-23 20:26:30,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:30,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:30,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/sv-benchmarks/c/termination-crafted/Stockholm-2.c [2023-11-23 20:26:30,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/data/daca81034/189265d510b44ad29374d451fc272404/FLAG0fa91cc8f [2023-11-23 20:26:30,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/data/daca81034/189265d510b44ad29374d451fc272404 [2023-11-23 20:26:30,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:30,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:30,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:30,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:30,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:30,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:30,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac66278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30, skipping insertion in model container [2023-11-23 20:26:30,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:30,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:30,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:30,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:30,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:30,967 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:30,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30 WrapperNode [2023-11-23 20:26:30,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:30,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:30,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:30,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:30,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:30,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,008 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-11-23 20:26:31,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:31,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:31,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:31,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:31,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:31,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:31,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:31,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:31,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:30" (1/1) ... [2023-11-23 20:26:31,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:31,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:31,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:31,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:31,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:31,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:31,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:31,369 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:31,370 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:26:31,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:31 BoogieIcfgContainer [2023-11-23 20:26:31,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:31,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:31,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:31,394 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:31,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:31" (1/1) ... [2023-11-23 20:26:31,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-23 20:26:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-23 20:26:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:31,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-23 20:26:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-23 20:26:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:26:31,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:26:31,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:26:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:26:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:26:31,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:26:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:26:31,873 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:26:31,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:26:31 ImpRootNode [2023-11-23 20:26:31,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:26:31,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:26:31,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:26:31,902 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:26:31,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:31" (3/4) ... [2023-11-23 20:26:31,904 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:26:31,951 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:26:31,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:26:31,953 INFO L158 Benchmark]: Toolchain (without parser) took 1294.66ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 84.9MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:31,953 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:31,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.17ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 69.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:26:31,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 123.7MB. Free memory was 69.7MB in the beginning and 68.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:31,956 INFO L158 Benchmark]: Boogie Preprocessor took 36.21ms. Allocated memory is still 123.7MB. Free memory was 68.2MB in the beginning and 67.4MB in the end (delta: 882.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:31,957 INFO L158 Benchmark]: RCFGBuilder took 324.90ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 57.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:26:31,958 INFO L158 Benchmark]: CodeCheck took 527.19ms. Allocated memory is still 123.7MB. Free memory was 57.2MB in the beginning and 86.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:31,959 INFO L158 Benchmark]: Witness Printer took 51.07ms. Allocated memory is still 123.7MB. Free memory was 86.4MB in the beginning and 84.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:31,964 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 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x; [L16] int a; [L17] int b; [L18] x = __VERIFIER_nondet_int() [L19] a = __VERIFIER_nondet_int() [L20] b = __VERIFIER_nondet_int() [L21] COND TRUE a == b VAL [a=1, b=1, x=2147483647] [L22] COND TRUE x >= 0 VAL [a=1, b=1, x=2147483647] [L23] x + a VAL [a=1, b=1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.17ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 69.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 123.7MB. Free memory was 69.7MB in the beginning and 68.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.21ms. Allocated memory is still 123.7MB. Free memory was 68.2MB in the beginning and 67.4MB in the end (delta: 882.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.90ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 57.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 527.19ms. Allocated memory is still 123.7MB. Free memory was 57.2MB in the beginning and 86.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.07ms. Allocated memory is still 123.7MB. Free memory was 86.4MB in the beginning and 84.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:26:32,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea41d2b-fd74-409f-aaba-1f5cb97b7ba6/bin/ukojak-verify-1t5iHCbJaC/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)