./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2 --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 7b0bfaa6c7d811996f5b33ad0f1c15286336df1e708489ed8126c9dce2c34f22 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:21,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:21,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:27:21,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:21,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:21,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:21,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:21,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:21,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:21,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:21,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:21,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:21,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:21,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:21,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:21,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:21,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:21,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:21,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:21,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:21,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:21,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:21,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:21,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:21,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:21,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:21,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:21,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:21,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:21,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:21,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:21,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:21,972 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_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0bfaa6c7d811996f5b33ad0f1c15286336df1e708489ed8126c9dce2c34f22 [2023-11-21 18:27:22,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:22,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:22,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:22,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:22,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:22,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c [2023-11-21 18:27:25,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:25,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:25,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c [2023-11-21 18:27:25,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/data/08e379d4b/bfe04bc2b8f849cdbf268f02e111f94d/FLAG5b6002d50 [2023-11-21 18:27:25,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/data/08e379d4b/bfe04bc2b8f849cdbf268f02e111f94d [2023-11-21 18:27:25,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:25,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:25,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:25,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:25,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:25,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:25" (1/1) ... [2023-11-21 18:27:25,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f95f4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:25, skipping insertion in model container [2023-11-21 18:27:25,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:25" (1/1) ... [2023-11-21 18:27:25,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:25,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:25,996 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:26,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:26,021 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:26,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26 WrapperNode [2023-11-21 18:27:26,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:26,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:26,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:26,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:26,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,059 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-21 18:27:26,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:26,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:26,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:26,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:26,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:26,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:26,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:26,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:26,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:26,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:26,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:26,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:26,229 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:26,231 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:26,329 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:26,362 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:26,362 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:27:26,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:26 BoogieIcfgContainer [2023-11-21 18:27:26,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:26,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:26,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:26,377 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:26,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:26" (1/1) ... [2023-11-21 18:27:26,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:26,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-21 18:27:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-21 18:27:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:27:26,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:26,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:26,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:26,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:26,634 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:27:26,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:26 ImpRootNode [2023-11-21 18:27:26,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:26,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:26,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:26,654 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:26,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:26" (3/4) ... [2023-11-21 18:27:26,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:27:26,690 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:27:26,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:26,691 INFO L158 Benchmark]: Toolchain (without parser) took 887.77ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 93.0MB in the beginning and 152.4MB in the end (delta: -59.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:26,692 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:26,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.64ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 83.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:26,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:26,695 INFO L158 Benchmark]: Boogie Preprocessor took 19.60ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 81.0MB in the end (delta: 901.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:26,696 INFO L158 Benchmark]: RCFGBuilder took 284.29ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 71.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:26,697 INFO L158 Benchmark]: CodeCheck took 286.80ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 71.5MB in the beginning and 154.4MB in the end (delta: -83.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:26,698 INFO L158 Benchmark]: Witness Printer took 37.31ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 152.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:26,703 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, 7 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, 3 NumberOfCodeBlocks, 3 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x, b; [L16] x = __VERIFIER_nondet_int() [L17] b = __VERIFIER_nondet_int() [L18] COND TRUE b != 0 [L19] b = __VERIFIER_nondet_int() [L20] x - 1 VAL [b=0, x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.64ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 83.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.60ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 81.0MB in the end (delta: 901.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 284.29ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 71.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 286.80ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 71.5MB in the beginning and 154.4MB in the end (delta: -83.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.31ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 152.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:27:26,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa36c40-bcc2-4aed-afe0-8b269605b331/bin/ukojak-verify-i0I2FZA1j2/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)