./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk --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 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:24:27,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:24:28,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:24:28,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:24:28,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:24:28,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:24:28,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:24:28,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:24:28,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:24:28,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:24:28,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:24:28,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:24:28,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:24:28,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:24:28,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:24:28,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:24:28,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:24:28,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:24:28,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:24:28,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:24:28,158 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:24:28,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:24:28,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:24:28,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:24:28,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:24:28,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:24:28,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:24:28,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:24:28,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:24:28,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:28,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:24:28,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:24:28,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:24:28,166 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:24:28,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:24:28,166 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_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7 [2024-11-09 00:24:28,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:24:28,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:24:28,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:24:28,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:24:28,477 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:24:28,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test22-2.c Unable to find full path for "g++" [2024-11-09 00:24:30,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:30,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:30,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/sv-benchmarks/c/ldv-regression/test22-2.c [2024-11-09 00:24:30,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/data/ffd6f736b/87067c3207cc4d9f88fafeeb041b8006/FLAGabf34f759 [2024-11-09 00:24:30,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/data/ffd6f736b/87067c3207cc4d9f88fafeeb041b8006 [2024-11-09 00:24:30,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:30,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:30,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:30,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:30,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:30,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:30" (1/1) ... [2024-11-09 00:24:30,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560a0231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:30, skipping insertion in model container [2024-11-09 00:24:30,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:30" (1/1) ... [2024-11-09 00:24:30,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:31,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:31,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:31,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:31,104 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:31,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31 WrapperNode [2024-11-09 00:24:31,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:31,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:31,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:31,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:31,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,149 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2024-11-09 00:24:31,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:31,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:31,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:31,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:31,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:31,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:31,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:31,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:31,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:31,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:31,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:24:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:24:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-11-09 00:24:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-11-09 00:24:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:24:31,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:31,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:31,622 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:31,622 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:31,706 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:31,706 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:24:31,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:31 BoogieIcfgContainer [2024-11-09 00:24:31,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:31,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:31,708 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:31,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:31,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:31" (1/1) ... [2024-11-09 00:24:31,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-09 00:24:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-09 00:24:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:24:31,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:31,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:32,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:32,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:32,317 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:24:32,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:24:32 ImpRootNode [2024-11-09 00:24:32,377 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:24:32,379 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:24:32,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:24:32,379 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:24:32,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:31" (3/4) ... [2024-11-09 00:24:32,381 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:24:32,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:24:32,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:24:32,435 INFO L158 Benchmark]: Toolchain (without parser) took 1691.52ms. Allocated memory is still 155.2MB. Free memory was 124.3MB in the beginning and 77.0MB in the end (delta: 47.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-09 00:24:32,436 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:32,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.92ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 121.9MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:24:32,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.66ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:32,437 INFO L158 Benchmark]: Boogie Preprocessor took 45.53ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 119.0MB in the end (delta: 850.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:32,438 INFO L158 Benchmark]: RCFGBuilder took 510.86ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 101.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:24:32,438 INFO L158 Benchmark]: CodeCheck took 670.11ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 79.1MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:24:32,439 INFO L158 Benchmark]: Witness Printer took 55.75ms. Allocated memory is still 155.2MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:32,441 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 2 procedures, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 15 NumberOfCodeBlocks, 15 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: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L11] struct dummy d1, d2; [L34] CALL init() [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L34] RET init() [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L36] int i = __VERIFIER_nondet_int(); [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L37] EXPR (*pd2).a [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}, pd3={4:0}] [L37] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L38] int *pa = &pd1->a; [L39] EXPR pd3->a VAL [d1={4:0}, d2={5:0}, pa={5:0}, pd2={5:0}] [L39] pd3->a - 10 VAL [d1={4:0}, d2={5:0}, pa={5:0}, pd2={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.92ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 121.9MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.66ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.53ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 119.0MB in the end (delta: 850.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.86ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 101.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 670.11ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 79.1MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 55.75ms. Allocated memory is still 155.2MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:24:32,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20f75ed-ad1d-4133-af24-95441f58cfa0/bin/ukojak-verify-ImItNfHLgk/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)