./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c --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_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/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_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/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_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/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 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:08,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:09,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:09,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:09,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:09,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:09,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:09,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:09,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:09,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:09,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:09,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:09,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:09,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:09,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:09,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:09,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:09,084 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:09,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:09,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:09,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:09,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:09,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:09,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:09,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:09,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:09,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:09,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:09,091 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:09,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:09,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:09,093 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_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb [2023-11-11 23:49:09,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:09,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:09,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:09,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:09,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:09,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2023-11-11 23:49:12,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:12,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:12,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2023-11-11 23:49:12,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/data/9206764b8/477d6fef8eb54639a42a85fabe3be310/FLAG65beb00d7 [2023-11-11 23:49:12,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/data/9206764b8/477d6fef8eb54639a42a85fabe3be310 [2023-11-11 23:49:12,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:12,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:12,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:12,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:12,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:12,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed7a4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12, skipping insertion in model container [2023-11-11 23:49:12,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:12,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:12,959 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:12,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:12,984 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:12,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12 WrapperNode [2023-11-11 23:49:12,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:12,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:12,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:12,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:12,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,015 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-11 23:49:13,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:13,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:13,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:13,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:13,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:13,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:13,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:13,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:13,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:13,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:13,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:13,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:13,220 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:13,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:13,478 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:13,511 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:13,511 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:49:13,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:13 BoogieIcfgContainer [2023-11-11 23:49:13,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:13,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:13,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:13,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:13,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:13" (1/1) ... [2023-11-11 23:49:13,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-11-11 23:49:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-11-11 23:49:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:13,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:13,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:13,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:49:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:13,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:49:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:13,745 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:49:13,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:13 ImpRootNode [2023-11-11 23:49:13,768 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:13,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:13,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:13,769 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:13,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:13" (3/4) ... [2023-11-11 23:49:13,771 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:49:13,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:49:13,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:13,836 INFO L158 Benchmark]: Toolchain (without parser) took 1065.12ms. Allocated memory is still 148.9MB. Free memory was 119.7MB in the beginning and 83.6MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-11 23:49:13,837 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:13,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.53ms. Allocated memory is still 148.9MB. Free memory was 119.3MB in the beginning and 109.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:13,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.53ms. Allocated memory is still 148.9MB. Free memory was 109.8MB in the beginning and 108.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:13,842 INFO L158 Benchmark]: Boogie Preprocessor took 21.01ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:13,843 INFO L158 Benchmark]: RCFGBuilder took 477.16ms. Allocated memory is still 148.9MB. Free memory was 107.0MB in the beginning and 95.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:49:13,847 INFO L158 Benchmark]: CodeCheck took 250.28ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 85.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:13,848 INFO L158 Benchmark]: Witness Printer took 66.50ms. Allocated memory is still 148.9MB. Free memory was 85.4MB in the beginning and 83.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:13,853 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, 29 locations, 12 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, 4 NumberOfCodeBlocks, 4 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int a, b, x, y; [L17] a = __VERIFIER_nondet_int() [L18] b = __VERIFIER_nondet_int() [L19] x = __VERIFIER_nondet_int() [L20] y = __VERIFIER_nondet_int() [L21] COND TRUE a == b VAL [a=-1, b=-1, x=-2147483648, y=0] [L22] COND TRUE x >= 0 || y >= 0 VAL [a=-1, b=-1, x=-2147483648, y=0] [L23] x + a VAL [a=-1, b=-1, x=-2147483648, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.53ms. Allocated memory is still 148.9MB. Free memory was 119.3MB in the beginning and 109.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.53ms. Allocated memory is still 148.9MB. Free memory was 109.8MB in the beginning and 108.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.01ms. Allocated memory is still 148.9MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.16ms. Allocated memory is still 148.9MB. Free memory was 107.0MB in the beginning and 95.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 250.28ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 85.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 66.50ms. Allocated memory is still 148.9MB. Free memory was 85.4MB in the beginning and 83.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:49:13,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92a62bc-9fe1-422c-9c77-43ae2885a2ab/bin/ukojak-verify-0OAaufAVZV/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)