./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/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_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/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_d55ad8b3-79e0-418c-9393-bc80ec68ecea/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 49a260b41897f9175c064887b5a7e346062ed9cdacb52920f3bad2e734db5643 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:47,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:47,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:03:47,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:47,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:47,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:47,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:47,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:47,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:47,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:47,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:47,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:47,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:47,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:47,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:47,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:47,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:47,363 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:47,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:47,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:47,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:47,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:47,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:47,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:47,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:47,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:47,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:47,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:47,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:47,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:47,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:47,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:47,371 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_d55ad8b3-79e0-418c-9393-bc80ec68ecea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a260b41897f9175c064887b5a7e346062ed9cdacb52920f3bad2e734db5643 [2023-11-23 20:03:47,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:47,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:47,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:47,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:47,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:47,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c [2023-11-23 20:03:51,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:51,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:51,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.16.c [2023-11-23 20:03:51,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/data/76bd21e34/3e4491f2d7564320a0ac3e4ff1cc01a9/FLAGc2d3025ee [2023-11-23 20:03:51,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/data/76bd21e34/3e4491f2d7564320a0ac3e4ff1cc01a9 [2023-11-23 20:03:51,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:51,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:51,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:51,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:51,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:51,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:51,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0054c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51, skipping insertion in model container [2023-11-23 20:03:51,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:51,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:51,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:51,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:51,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:51,957 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:51,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51 WrapperNode [2023-11-23 20:03:51,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:51,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:51,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:51,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:51,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:51,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:51,992 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-11-23 20:03:51,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:51,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:51,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:51,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:52,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:52,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:52,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:52,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:52,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:52,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:52,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:52,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:52,191 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:52,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:52,277 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:52,329 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:52,330 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:03:52,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:52 BoogieIcfgContainer [2023-11-23 20:03:52,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:52,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:52,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:52,347 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:52,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:52" (1/1) ... [2023-11-23 20:03:52,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-23 20:03:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-23 20:03:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:03:52,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:52,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:03:52,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:03:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:03:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:03:52,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:03:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:03:52,576 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:03:52,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:03:52 ImpRootNode [2023-11-23 20:03:52,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:03:52,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:03:52,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:03:52,599 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:03:52,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:52" (3/4) ... [2023-11-23 20:03:52,601 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:03:52,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:03:52,674 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:03:52,683 INFO L158 Benchmark]: Toolchain (without parser) took 1010.21ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 108.5MB in the beginning and 165.8MB in the end (delta: -57.3MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-23 20:03:52,685 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 155.2MB. Free memory was 101.2MB in the beginning and 101.0MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:52,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.48ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 98.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:03:52,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.17ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 97.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:52,690 INFO L158 Benchmark]: Boogie Preprocessor took 24.11ms. Allocated memory is still 155.2MB. Free memory was 97.7MB in the beginning and 96.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:52,691 INFO L158 Benchmark]: RCFGBuilder took 314.95ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 87.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:03:52,691 INFO L158 Benchmark]: CodeCheck took 262.90ms. Allocated memory is still 155.2MB. Free memory was 87.6MB in the beginning and 77.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:03:52,695 INFO L158 Benchmark]: Witness Printer took 75.60ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 77.5MB in the beginning and 165.8MB in the end (delta: -88.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-23 20:03:52,702 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, 7 locations, 2 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x > 0 [L27] x = y VAL [x=-2147483648, y=-2147483648] [L28] y - 1 VAL [x=-2147483648, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 155.2MB. Free memory was 101.2MB in the beginning and 101.0MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.48ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 98.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.17ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 97.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.11ms. Allocated memory is still 155.2MB. Free memory was 97.7MB in the beginning and 96.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.95ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 87.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 262.90ms. Allocated memory is still 155.2MB. Free memory was 87.6MB in the beginning and 77.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 75.60ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 77.5MB in the beginning and 165.8MB in the end (delta: -88.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:03:52,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d55ad8b3-79e0-418c-9393-bc80ec68ecea/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)