./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm --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 8bdb977ff214625ad8e508f43c66811f5e3cd7c697d49c33523a8c57afa53f24 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:46,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:46,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:33:46,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:33:46,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:33:46,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:46,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:46,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:46,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:46,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:46,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:46,850 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:46,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:46,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:46,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:46,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:46,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:46,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:46,851 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:33:46,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:33:46,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm 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 -> 8bdb977ff214625ad8e508f43c66811f5e3cd7c697d49c33523a8c57afa53f24 [2024-11-13 21:33:47,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:47,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:47,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:47,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:47,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:47,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement.i Unable to find full path for "g++" [2024-11-13 21:33:49,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:49,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:49,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement.i [2024-11-13 21:33:49,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/data/a53ca76aa/abe0786022934f37a309029b7500d53f/FLAGfec909f8e [2024-11-13 21:33:49,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/data/a53ca76aa/abe0786022934f37a309029b7500d53f [2024-11-13 21:33:49,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:49,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:49,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:49,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:49,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:49,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:49" (1/1) ... [2024-11-13 21:33:49,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cbc1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:49, skipping insertion in model container [2024-11-13 21:33:49,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:49" (1/1) ... [2024-11-13 21:33:49,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:50,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:50,012 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:50,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:50,076 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:50,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50 WrapperNode [2024-11-13 21:33:50,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:50,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:50,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:50,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:50,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,104 INFO L138 Inliner]: procedures = 104, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-13 21:33:50,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:50,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:50,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:50,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:50,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:50,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:50,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:50,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:50,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:50,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:50,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:50,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:50,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:50,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:50,344 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:50,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:50,369 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:50,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:33:50,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:50 BoogieIcfgContainer [2024-11-13 21:33:50,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:50,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:50,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:50,386 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:50,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:50" (1/1) ... [2024-11-13 21:33:50,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-13 21:33:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-13 21:33:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:33:50,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:50,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:50,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:50,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:50,610 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:33:50,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:33:50 ImpRootNode [2024-11-13 21:33:50,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:33:50,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:33:50,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:33:50,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:33:50,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:50" (3/4) ... [2024-11-13 21:33:50,640 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:33:50,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:33:50,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:33:50,686 INFO L158 Benchmark]: Toolchain (without parser) took 1067.72ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 58.2MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:33:50,686 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:50,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.81ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 79.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:33:50,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.16ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:50,687 INFO L158 Benchmark]: Boogie Preprocessor took 13.10ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 78.0MB in the end (delta: 616.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:50,691 INFO L158 Benchmark]: RCFGBuilder took 255.55ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 68.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:50,692 INFO L158 Benchmark]: CodeCheck took 261.69ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 59.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:50,692 INFO L158 Benchmark]: Witness Printer took 45.20ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 58.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:50,694 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, 6 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int x = -2147483647 - 1; VAL [x=-2147483648] [L333] --x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.81ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 79.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.16ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.10ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 78.0MB in the end (delta: 616.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.55ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 68.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 261.69ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 59.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 45.20ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 58.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:33:50,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35d9897-fab7-4804-bb83-8055f69a280b/bin/ukojak-verify-EEHR8qb7sm/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)