./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark39_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark39_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL --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 fbbdd91c8c6a47adc45fccab5009374ffc0e499dc52366eb00d3213be41158a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:34,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:34,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:44:34,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:34,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:34,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:34,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:34,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:34,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:34,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:34,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:34,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:34,707 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:34,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:34,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:34,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:34,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:34,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:34,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:34,711 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:44:34,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:44:34,712 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:34,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:34,713 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:34,713 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:34,714 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:34,714 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:34,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:34,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:34,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:34,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:34,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:34,717 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:34,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:34,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:34,718 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_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbbdd91c8c6a47adc45fccab5009374ffc0e499dc52366eb00d3213be41158a3 [2023-11-19 03:44:35,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:35,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:35,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:35,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:35,081 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:35,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-zilu/benchmark39_conjunctive.i [2023-11-19 03:44:38,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:38,508 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:38,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/sv-benchmarks/c/loop-zilu/benchmark39_conjunctive.i [2023-11-19 03:44:38,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/data/807d261b8/53a92066d2a344cb95827e7c00c8d384/FLAGbd3fe62d4 [2023-11-19 03:44:38,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/data/807d261b8/53a92066d2a344cb95827e7c00c8d384 [2023-11-19 03:44:38,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:38,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:38,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:38,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:38,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:38,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ba2ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38, skipping insertion in model container [2023-11-19 03:44:38,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:38,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:38,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:38,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:38,834 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:38,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38 WrapperNode [2023-11-19 03:44:38,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:38,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:38,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:38,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:38,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,869 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-19 03:44:38,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:38,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:38,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:38,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:38,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:38,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:38,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:38,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:38,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:38" (1/1) ... [2023-11-19 03:44:38,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:38,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:38,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:38,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:39,063 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:39,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:39,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:39,352 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:39,354 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:39,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:39 BoogieIcfgContainer [2023-11-19 03:44:39,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:39,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:39,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:39,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:39,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:39" (1/1) ... [2023-11-19 03:44:39,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-19 03:44:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 03:44:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:44:39,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:39,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:39,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:44:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:39,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:44:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:39,684 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:44:39,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:44:39 ImpRootNode [2023-11-19 03:44:39,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:44:39,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:44:39,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:44:39,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:44:39,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:39" (3/4) ... [2023-11-19 03:44:39,713 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:44:39,765 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:44:39,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:44:39,767 INFO L158 Benchmark]: Toolchain (without parser) took 1230.15ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 84.3MB in the beginning and 134.7MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:39,768 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:39,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.43ms. Allocated memory is still 130.0MB. Free memory was 84.0MB in the beginning and 74.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:44:39,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.20ms. Allocated memory is still 130.0MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:39,779 INFO L158 Benchmark]: Boogie Preprocessor took 19.98ms. Allocated memory is still 130.0MB. Free memory was 72.6MB in the beginning and 71.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:39,781 INFO L158 Benchmark]: RCFGBuilder took 468.03ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 59.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:44:39,781 INFO L158 Benchmark]: CodeCheck took 345.93ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 59.7MB in the beginning and 135.8MB in the end (delta: -76.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:39,782 INFO L158 Benchmark]: Witness Printer took 56.70ms. Allocated memory is still 167.8MB. Free memory was 135.8MB in the beginning and 134.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:39,791 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: 0.3s, 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, 2 NumberOfCodeBlocks, 2 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] 4*y VAL [x=0, y=-536870913] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.43ms. Allocated memory is still 130.0MB. Free memory was 84.0MB in the beginning and 74.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.20ms. Allocated memory is still 130.0MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.98ms. Allocated memory is still 130.0MB. Free memory was 72.6MB in the beginning and 71.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.03ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 59.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 345.93ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 59.7MB in the beginning and 135.8MB in the end (delta: -76.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.70ms. Allocated memory is still 167.8MB. Free memory was 135.8MB in the beginning and 134.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:44:39,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e1df81-1cb2-4f82-8f37-9cad3e36e305/bin/ukojak-verify-G8NBE6pJGL/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)