./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.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_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/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_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/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_8b205ad8-35df-4dbf-8c77-7466399001ac/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 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:25,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:25,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:13:25,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:25,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:25,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:25,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:25,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:25,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:25,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:25,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:25,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:25,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:25,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:25,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:25,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:25,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:25,795 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:25,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:25,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:25,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:25,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:25,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:25,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:25,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:25,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:25,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:25,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:25,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:25,801 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:25,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:25,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:25,803 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_8b205ad8-35df-4dbf-8c77-7466399001ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb [2023-11-23 20:13:26,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:26,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:26,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:26,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:26,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:26,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2023-11-23 20:13:29,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:29,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:29,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2023-11-23 20:13:29,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/data/8dc2b96ec/6ff764ef65524a7d822cf2105af7da34/FLAG2918588a5 [2023-11-23 20:13:29,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/data/8dc2b96ec/6ff764ef65524a7d822cf2105af7da34 [2023-11-23 20:13:29,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:29,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:29,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:29,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:29,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:29,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:29" (1/1) ... [2023-11-23 20:13:29,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4268ee0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:29, skipping insertion in model container [2023-11-23 20:13:29,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:29" (1/1) ... [2023-11-23 20:13:29,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:30,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:30,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:30,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:30,103 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:30,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30 WrapperNode [2023-11-23 20:13:30,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:30,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:30,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:30,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:30,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,139 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-23 20:13:30,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:30,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:30,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:30,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:30,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:30,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:30,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:30,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:30,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:30,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:30,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:30,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:30,362 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:30,364 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:30,560 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:30,597 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:30,598 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:13:30,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:30 BoogieIcfgContainer [2023-11-23 20:13:30,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:30,600 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:30,600 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:30,612 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:30,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:30" (1/1) ... [2023-11-23 20:13:30,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-11-23 20:13:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-11-23 20:13:30,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:13:30,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:30,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:30,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:30,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:30,903 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:13:30,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:13:30 ImpRootNode [2023-11-23 20:13:30,931 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:13:30,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:13:30,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:13:30,932 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:13:30,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:30" (3/4) ... [2023-11-23 20:13:30,934 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:13:31,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:13:31,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:13:31,002 INFO L158 Benchmark]: Toolchain (without parser) took 1163.13ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 88.3MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:13:31,002 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory was 142.5MB in the beginning and 142.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:31,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.35ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 115.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:13:31,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.19ms. Allocated memory is still 172.0MB. Free memory was 115.5MB in the beginning and 113.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:31,004 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 112.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:31,004 INFO L158 Benchmark]: RCFGBuilder took 413.40ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 101.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:13:31,010 INFO L158 Benchmark]: CodeCheck took 331.05ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 89.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:13:31,014 INFO L158 Benchmark]: Witness Printer took 68.94ms. Allocated memory is still 172.0MB. Free memory was 89.8MB in the beginning and 88.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:31,019 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, 29 locations, 12 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, 4 NumberOfCodeBlocks, 4 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int a, b, x, y; [L17] a = __VERIFIER_nondet_int() [L18] b = __VERIFIER_nondet_int() [L19] x = __VERIFIER_nondet_int() [L20] y = __VERIFIER_nondet_int() [L21] COND TRUE a == b VAL [a=-1, b=-1, x=-2147483648, y=0] [L22] COND TRUE x >= 0 || y >= 0 VAL [a=-1, b=-1, x=-2147483648, y=0] [L23] x + a VAL [a=-1, b=-1, x=-2147483648, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory was 142.5MB in the beginning and 142.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.35ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 115.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.19ms. Allocated memory is still 172.0MB. Free memory was 115.5MB in the beginning and 113.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 112.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.40ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 101.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 331.05ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 89.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 68.94ms. Allocated memory is still 172.0MB. Free memory was 89.8MB in the beginning and 88.3MB 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 20:13:31,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b205ad8-35df-4dbf-8c77-7466399001ac/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)