./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV --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 cf935d06d6f7dfd4eb46d60fc84761bc54bea2a55591f71dc04a00264afa48b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:43,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:43,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:42:43,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:43,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:43,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:43,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:43,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:43,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:43,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:43,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:43,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:43,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:43,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:43,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:43,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:43,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:43,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:42:43,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:43,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:43,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:43,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:43,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:43,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:43,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:43,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:43,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:43,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:43,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:43,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:43,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:43,181 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_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf935d06d6f7dfd4eb46d60fc84761bc54bea2a55591f71dc04a00264afa48b1 [2023-11-11 23:42:43,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:43,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:43,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:43,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:43,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:43,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement.i [2023-11-11 23:42:47,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:47,675 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:47,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement.i [2023-11-11 23:42:47,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/data/63596a097/61fae0a1f87f487ebe127b80a8dd5387/FLAG97a479586 [2023-11-11 23:42:47,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/data/63596a097/61fae0a1f87f487ebe127b80a8dd5387 [2023-11-11 23:42:47,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:47,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:47,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:47,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:47,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:47,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:47" (1/1) ... [2023-11-11 23:42:47,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63444e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:47, skipping insertion in model container [2023-11-11 23:42:47,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:47" (1/1) ... [2023-11-11 23:42:47,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:48,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:48,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:48,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:48,242 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:48,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48 WrapperNode [2023-11-11 23:42:48,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:48,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:48,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:48,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:48,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,286 INFO L138 Inliner]: procedures = 104, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2023-11-11 23:42:48,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:48,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:48,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:48,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:48,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:48,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:48,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:48,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:48,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:48,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:48,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:48,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:48,540 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:48,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:48,608 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:48,637 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:48,638 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:42:48,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:48 BoogieIcfgContainer [2023-11-11 23:42:48,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:48,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:48,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:48,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:48,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:48" (1/1) ... [2023-11-11 23:42:48,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:42:48,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2023-11-11 23:42:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-11 23:42:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:42:48,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:48,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:48,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:42:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:48,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:42:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:48,919 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:42:48,941 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post28 could not be translated [2023-11-11 23:42:48,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:42:48 ImpRootNode [2023-11-11 23:42:48,948 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:42:48,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:42:48,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:42:48,954 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:42:48,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:48" (3/4) ... [2023-11-11 23:42:48,960 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:42:48,961 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post28 could not be translated [2023-11-11 23:42:49,016 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:42:49,017 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:42:49,018 INFO L158 Benchmark]: Toolchain (without parser) took 1291.02ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 78.5MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-11 23:42:49,018 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:49,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.54ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 101.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:42:49,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:49,023 INFO L158 Benchmark]: Boogie Preprocessor took 27.96ms. Allocated memory is still 148.9MB. Free memory was 100.1MB in the beginning and 99.3MB in the end (delta: 745.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:49,029 INFO L158 Benchmark]: RCFGBuilder took 324.66ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 89.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:42:49,033 INFO L158 Benchmark]: CodeCheck took 306.03ms. Allocated memory is still 148.9MB. Free memory was 89.6MB in the beginning and 79.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:42:49,033 INFO L158 Benchmark]: Witness Printer took 64.06ms. Allocated memory is still 148.9MB. Free memory was 79.9MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:49,043 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; [L333] x-- VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.54ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 101.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.96ms. Allocated memory is still 148.9MB. Free memory was 100.1MB in the beginning and 99.3MB in the end (delta: 745.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.66ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 89.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 306.03ms. Allocated memory is still 148.9MB. Free memory was 89.6MB in the beginning and 79.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 64.06ms. Allocated memory is still 148.9MB. Free memory was 79.9MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post28 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post28 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:42:49,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ab7488-fabb-4c2b-9410-06037ba4819d/bin/ukojak-verify-0OAaufAVZV/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)