./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/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_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/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 64bit --witnessprinter.graph.data.programhash 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:06:08,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:06:09,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:06:09,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:06:09,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:06:09,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:09,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:06:09,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:06:09,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:09,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:09,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:09,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:09,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:06:09,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:09,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:09,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:09,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:09,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:09,140 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:06:09,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:06:09,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:09,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:09,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:09,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:09,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:09,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:09,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:09,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:09,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:09,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:06:09,152 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:06:09,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:06:09,153 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_da0edf84-db40-492f-8003-d801af614826/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 [2024-11-08 22:06:09,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:09,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:09,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:09,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:09,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:09,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i Unable to find full path for "g++" [2024-11-08 22:06:12,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:12,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:12,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i [2024-11-08 22:06:12,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data/f40738cd2/ee244e81cf324b9cac16b503cb821106/FLAG8f17013af [2024-11-08 22:06:12,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data/f40738cd2/ee244e81cf324b9cac16b503cb821106 [2024-11-08 22:06:12,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:12,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:12,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:12,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:12,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:12,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:12" (1/1) ... [2024-11-08 22:06:12,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be23536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:12, skipping insertion in model container [2024-11-08 22:06:12,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:12" (1/1) ... [2024-11-08 22:06:12,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:14,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:14,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:14,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:14,351 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:14,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14 WrapperNode [2024-11-08 22:06:14,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:14,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:14,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:14,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:14,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,419 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-08 22:06:14,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:14,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:14,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:14,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:14,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:14,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:14,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:14,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:14,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:14,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:14,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:14,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:06:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:06:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 22:06:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 22:06:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:14,701 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:14,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:14,852 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:14,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:14,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:14,926 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:14,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:14 BoogieIcfgContainer [2024-11-08 22:06:14,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:14,929 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:14,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:14,940 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:14,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:14" (1/1) ... [2024-11-08 22:06:14,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 22:06:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 22:06:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:06:15,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:15,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:15,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:15,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:15,446 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:06:15,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:06:15 ImpRootNode [2024-11-08 22:06:15,495 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:06:15,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:06:15,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:06:15,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:06:15,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:14" (3/4) ... [2024-11-08 22:06:15,501 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:06:15,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:06:15,503 INFO L158 Benchmark]: Toolchain (without parser) took 2878.92ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 100.5MB in the end (delta: 6.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 22:06:15,504 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 76.7MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:15,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1725.94ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 83.1MB in the end (delta: 23.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:15,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.24ms. Allocated memory is still 146.8MB. Free memory was 83.1MB in the beginning and 80.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:06:15,506 INFO L158 Benchmark]: Boogie Preprocessor took 35.87ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:15,507 INFO L158 Benchmark]: RCFGBuilder took 468.87ms. Allocated memory is still 146.8MB. Free memory was 78.1MB in the beginning and 64.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:06:15,508 INFO L158 Benchmark]: CodeCheck took 566.20ms. Allocated memory is still 146.8MB. Free memory was 64.2MB in the beginning and 100.5MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:15,508 INFO L158 Benchmark]: Witness Printer took 6.10ms. Allocated memory is still 146.8MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:15,513 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 76.7MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1725.94ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 83.1MB in the end (delta: 23.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.24ms. Allocated memory is still 146.8MB. Free memory was 83.1MB in the beginning and 80.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.87ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.87ms. Allocated memory is still 146.8MB. Free memory was 78.1MB in the beginning and 64.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 566.20ms. Allocated memory is still 146.8MB. Free memory was 64.2MB in the beginning and 100.5MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.10ms. Allocated memory is still 146.8MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:06:15,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/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_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/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 64bit --witnessprinter.graph.data.programhash 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:06:18,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:06:18,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:06:18,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:18,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:06:18,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:06:18,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:18,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:18,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:18,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:18,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:18,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:18,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:18,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:18,233 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:06:18,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:06:18,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:18,234 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:06:18,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:06:18,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:06:18,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:18,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:18,240 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:18,240 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:18,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:18,241 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:18,241 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:06:18,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:18,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:18,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:18,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:18,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:06:18,244 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:06:18,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:18,244 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:06:18,245 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_da0edf84-db40-492f-8003-d801af614826/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 [2024-11-08 22:06:18,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:18,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:18,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:18,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:18,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:18,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i Unable to find full path for "g++" [2024-11-08 22:06:21,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:21,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:21,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i [2024-11-08 22:06:21,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data/ee5210577/7c155c3b1fc44208b011cc86a315ac41/FLAGe2ceb8d1d [2024-11-08 22:06:21,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/data/ee5210577/7c155c3b1fc44208b011cc86a315ac41 [2024-11-08 22:06:21,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:21,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:21,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:21,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:21,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:21,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:21" (1/1) ... [2024-11-08 22:06:21,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd7287a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:21, skipping insertion in model container [2024-11-08 22:06:21,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:21" (1/1) ... [2024-11-08 22:06:21,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:22,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:22,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:23,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:23,353 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:23,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23 WrapperNode [2024-11-08 22:06:23,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:23,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:23,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:23,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:23,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,420 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-08 22:06:23,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:23,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:23,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:23,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:23,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:23,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:23,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:23,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:23,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:23" (1/1) ... [2024-11-08 22:06:23,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:23,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:23,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:23,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:06:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:06:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 22:06:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 22:06:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:23,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:23,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:23,935 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:23,935 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:24,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:24,028 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:24,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:24 BoogieIcfgContainer [2024-11-08 22:06:24,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:24,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:24,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:24,044 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:24,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:24" (1/1) ... [2024-11-08 22:06:24,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-08 22:06:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-08 22:06:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:06:24,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:24,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:24,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:24,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:24,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:06:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:24,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:24,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:24,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:06:24,642 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:06:24,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:06:24 ImpRootNode [2024-11-08 22:06:24,686 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:06:24,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:06:24,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:06:24,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:06:24,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:24" (3/4) ... [2024-11-08 22:06:24,695 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:06:24,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:06:24,698 INFO L158 Benchmark]: Toolchain (without parser) took 3126.75ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.4MB in the beginning and 53.0MB in the end (delta: -5.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 22:06:24,698 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:24,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.00ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.2MB in the beginning and 64.9MB in the end (delta: -17.6MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-08 22:06:24,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.62ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 62.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:24,700 INFO L158 Benchmark]: Boogie Preprocessor took 34.84ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:24,701 INFO L158 Benchmark]: RCFGBuilder took 571.91ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 43.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:06:24,702 INFO L158 Benchmark]: CodeCheck took 655.18ms. Allocated memory is still 96.5MB. Free memory was 43.4MB in the beginning and 53.5MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:24,702 INFO L158 Benchmark]: Witness Printer took 9.94ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 53.0MB in the end (delta: 519.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:24,709 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 3 procedures, 19 locations, 2 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, 14 NumberOfCodeBlocks, 14 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.00ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.2MB in the beginning and 64.9MB in the end (delta: -17.6MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.62ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 62.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.84ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.91ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 43.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 655.18ms. Allocated memory is still 96.5MB. Free memory was 43.4MB in the beginning and 53.5MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.94ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 53.0MB in the end (delta: 519.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:06:24,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0edf84-db40-492f-8003-d801af614826/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 Result: UNKNOWN: Overapproximated counterexample