./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/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_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/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_7ae54e4c-cd5d-4b10-8256-447a05f175dc/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 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:41:09,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:10,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:41:10,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:41:10,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:41:10,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:10,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:10,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:10,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:10,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:10,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:10,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:10,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:41:10,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:10,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:10,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:10,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:10,130 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:10,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:10,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:10,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:10,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:10,133 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:10,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:10,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:10,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:10,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:10,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:10,137 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:41:10,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:41:10,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:10,138 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_7ae54e4c-cd5d-4b10-8256-447a05f175dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb [2023-11-11 23:41:10,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:10,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:10,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:10,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:10,527 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:10,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2023-11-11 23:41:13,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:13,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:13,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2023-11-11 23:41:13,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/data/8ec989c06/692133461cd44d57a766e89f966be363/FLAG7089bedfa [2023-11-11 23:41:13,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/data/8ec989c06/692133461cd44d57a766e89f966be363 [2023-11-11 23:41:13,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:13,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:13,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:13,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:13,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:13,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:13,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e07e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13, skipping insertion in model container [2023-11-11 23:41:13,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:13,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:14,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:14,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:14,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:14,118 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:14,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14 WrapperNode [2023-11-11 23:41:14,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:14,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:14,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:14,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:14,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,154 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2023-11-11 23:41:14,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:14,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:14,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:14,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:14,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:14,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:14,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:14,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:14,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:14,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:41:14,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:41:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:41:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:41:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:41:14,369 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:41:14,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:41:14,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:41:14,494 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:41:14,499 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:41:14,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:14 BoogieIcfgContainer [2023-11-11 23:41:14,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:41:14,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:41:14,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:41:14,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:41:14,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:41:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-11 23:41:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-11 23:41:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:41:14,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:14,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:14,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:41:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:14,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:41:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:14,712 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:41:14,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:41:14 ImpRootNode [2023-11-11 23:41:14,736 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:41:14,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:41:14,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:41:14,738 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:41:14,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:14" (3/4) ... [2023-11-11 23:41:14,740 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:41:14,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:41:14,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:41:14,780 INFO L158 Benchmark]: Toolchain (without parser) took 882.28ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 96.9MB in the end (delta: 7.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-11 23:41:14,781 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:14,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.23ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 95.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:41:14,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.19ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:14,783 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.6MB in the end (delta: 775.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:14,784 INFO L158 Benchmark]: RCFGBuilder took 326.21ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 108.3MB in the end (delta: -15.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:41:14,784 INFO L158 Benchmark]: CodeCheck took 229.42ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 98.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:41:14,785 INFO L158 Benchmark]: Witness Printer took 42.11ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:14,789 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, 11 locations, 4 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, oldx; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x >= 0 || y >= 0 [L17] oldx = x VAL [x=0, x=0, y=-2147483648] [L18] y - 1 VAL [x=0, x=0, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.23ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 95.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.19ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.6MB in the end (delta: 775.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.21ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 108.3MB in the end (delta: -15.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 229.42ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 98.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 42.11ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:41:14,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae54e4c-cd5d-4b10-8256-447a05f175dc/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)