./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.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_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/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_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/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_86ecea3b-b034-4259-b757-db2c7ed39ad2/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 611ac8d71845ccf9a512fc72d6bc3a2815b4d05a21509285be3f30b1f4275a4d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:40,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:40,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:27:40,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:40,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:40,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:40,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:40,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:40,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:40,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:40,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:40,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:40,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:40,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:40,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:40,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:40,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:40,195 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:40,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:40,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:40,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:40,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:40,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:40,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:40,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:40,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:40,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:40,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:40,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:40,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:40,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:40,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:40,202 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_86ecea3b-b034-4259-b757-db2c7ed39ad2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 611ac8d71845ccf9a512fc72d6bc3a2815b4d05a21509285be3f30b1f4275a4d [2023-11-21 18:27:40,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:40,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:40,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:40,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:40,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:40,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c [2023-11-21 18:27:44,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:44,297 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:44,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c [2023-11-21 18:27:44,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/data/7cd9455a0/63f08d588ba94483a5ca5dbbd76d4416/FLAG2f58f1470 [2023-11-21 18:27:44,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/data/7cd9455a0/63f08d588ba94483a5ca5dbbd76d4416 [2023-11-21 18:27:44,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:44,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:44,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:44,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:44,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:44,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e220d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44, skipping insertion in model container [2023-11-21 18:27:44,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:44,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:44,593 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:44,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:44,629 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:44,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44 WrapperNode [2023-11-21 18:27:44,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:44,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:44,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:44,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:44,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,670 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-11-21 18:27:44,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:44,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:44,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:44,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:44,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:44,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:44,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:44,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:44,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:44" (1/1) ... [2023-11-21 18:27:44,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:44,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:44,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:44,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:44,893 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:44,895 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:45,182 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:45,229 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:45,230 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:27:45,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:45 BoogieIcfgContainer [2023-11-21 18:27:45,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:45,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:45,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:45,247 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:45,248 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:45" (1/1) ... [2023-11-21 18:27:45,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:45,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2023-11-21 18:27:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2023-11-21 18:27:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:27:45,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2023-11-21 18:27:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2023-11-21 18:27:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:27:45,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:45,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:45,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:45,719 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:27:45,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:45 ImpRootNode [2023-11-21 18:27:45,751 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:45,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:45,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:45,752 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:45,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:45" (3/4) ... [2023-11-21 18:27:45,754 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:27:45,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:27:45,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:45,845 INFO L158 Benchmark]: Toolchain (without parser) took 1511.64ms. Allocated memory is still 186.6MB. Free memory was 143.2MB in the beginning and 158.8MB in the end (delta: -15.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-11-21 18:27:45,846 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:45,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.57ms. Allocated memory is still 186.6MB. Free memory was 143.2MB in the beginning and 133.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:45,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.90ms. Allocated memory is still 186.6MB. Free memory was 133.8MB in the beginning and 132.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:45,848 INFO L158 Benchmark]: Boogie Preprocessor took 31.32ms. Allocated memory is still 186.6MB. Free memory was 132.1MB in the beginning and 131.3MB in the end (delta: 882.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:45,848 INFO L158 Benchmark]: RCFGBuilder took 529.39ms. Allocated memory is still 186.6MB. Free memory was 131.3MB in the beginning and 119.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:27:45,849 INFO L158 Benchmark]: CodeCheck took 516.90ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 105.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:27:45,850 INFO L158 Benchmark]: Witness Printer took 92.60ms. Allocated memory is still 186.6MB. Free memory was 105.2MB in the beginning and 158.8MB in the end (delta: -53.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:45,860 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, 33 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] b + 1 VAL [a=0, b=2147483647, x=0, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.57ms. Allocated memory is still 186.6MB. Free memory was 143.2MB in the beginning and 133.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.90ms. Allocated memory is still 186.6MB. Free memory was 133.8MB in the beginning and 132.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.32ms. Allocated memory is still 186.6MB. Free memory was 132.1MB in the beginning and 131.3MB in the end (delta: 882.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.39ms. Allocated memory is still 186.6MB. Free memory was 131.3MB in the beginning and 119.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 516.90ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 105.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 92.60ms. Allocated memory is still 186.6MB. Free memory was 105.2MB in the beginning and 158.8MB in the end (delta: -53.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:27:45,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ecea3b-b034-4259-b757-db2c7ed39ad2/bin/ukojak-verify-i0I2FZA1j2/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)