./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi --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 e9896c26f9a261046dd1a225a104cb001b522a1c83be9df70f0bb92b97427614 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:45,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:46,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:05:46,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:46,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:46,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:46,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:46,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:46,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:46,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:46,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:46,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:46,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:46,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:46,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:46,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:46,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:46,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:46,105 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:46,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:46,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:46,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:46,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:46,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:46,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:46,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:46,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:46,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:46,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:46,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:46,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:46,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:46,115 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_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9896c26f9a261046dd1a225a104cb001b522a1c83be9df70f0bb92b97427614 [2023-11-24 23:05:46,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:46,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:46,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:46,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:46,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:46,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.08.c [2023-11-24 23:05:49,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:49,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:49,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.08.c [2023-11-24 23:05:49,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/data/a2f55ced5/049584a909ea4215aac6fe2ff693ea2e/FLAGb809fff75 [2023-11-24 23:05:49,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/data/a2f55ced5/049584a909ea4215aac6fe2ff693ea2e [2023-11-24 23:05:49,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:49,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:49,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:49,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:49,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:49,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54531b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49, skipping insertion in model container [2023-11-24 23:05:49,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:50,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:50,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:50,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:50,178 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:50,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50 WrapperNode [2023-11-24 23:05:50,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:50,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:50,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:50,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:50,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,211 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-11-24 23:05:50,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:50,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:50,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:50,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:50,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:50,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:50,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:50,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:50,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:50,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:50,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:50,438 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:50,440 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:50,627 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:50,645 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:50,646 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:05:50,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:50 BoogieIcfgContainer [2023-11-24 23:05:50,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:50,649 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:50,649 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:50,664 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:50,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-24 23:05:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-24 23:05:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:05:50,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:50,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:50,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:50,871 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:05:50,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:50 ImpRootNode [2023-11-24 23:05:50,890 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:50,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:50,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:50,892 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:50,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:50" (3/4) ... [2023-11-24 23:05:50,893 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:05:50,941 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:05:50,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:50,944 INFO L158 Benchmark]: Toolchain (without parser) took 982.89ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 67.4MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,945 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:50,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.54ms. Allocated memory is still 146.8MB. Free memory was 101.5MB in the beginning and 92.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.51ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,947 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 89.6MB in the end (delta: 864.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:50,947 INFO L158 Benchmark]: RCFGBuilder took 404.42ms. Allocated memory is still 146.8MB. Free memory was 89.6MB in the beginning and 79.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,948 INFO L158 Benchmark]: CodeCheck took 241.99ms. Allocated memory is still 146.8MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,952 INFO L158 Benchmark]: Witness Printer took 50.75ms. Allocated memory is still 146.8MB. Free memory was 69.2MB in the beginning and 67.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,957 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, 20 locations, 8 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, 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] x - y VAL [x=-2, y=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.54ms. Allocated memory is still 146.8MB. Free memory was 101.5MB in the beginning and 92.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.51ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 89.6MB in the end (delta: 864.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.42ms. Allocated memory is still 146.8MB. Free memory was 89.6MB in the beginning and 79.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 241.99ms. Allocated memory is still 146.8MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 50.75ms. Allocated memory is still 146.8MB. Free memory was 69.2MB in the beginning and 67.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:05:50,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec7b00f-3880-4c01-94d6-40fe21e6a0b5/bin/ukojak-verify-afCqCEvfdi/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)