./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/min_rf.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_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/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_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/min_rf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/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_919dbc0f-8193-4019-b217-b925995c26e1/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 9442b91b34d1534e654ccb2ff614d1bcc5a78e4993d344efa390c901105881d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:41,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:41,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:35:41,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:41,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:41,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:41,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:41,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:41,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:41,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:41,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:41,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:41,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:41,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:41,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:41,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:41,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:41,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:41,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:41,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:41,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:41,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:41,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:41,884 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:41,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:41,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:41,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:41,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:41,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:41,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:41,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:41,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:41,892 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_919dbc0f-8193-4019-b217-b925995c26e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9442b91b34d1534e654ccb2ff614d1bcc5a78e4993d344efa390c901105881d4 [2023-11-21 18:35:42,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:42,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:42,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:42,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:42,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:42,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted-lit/min_rf.c [2023-11-21 18:35:45,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:45,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:45,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/sv-benchmarks/c/termination-crafted-lit/min_rf.c [2023-11-21 18:35:45,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/data/605ce12fc/4816981abad145ab950c7ace4a8f6d7b/FLAGfbe1c62f7 [2023-11-21 18:35:45,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/data/605ce12fc/4816981abad145ab950c7ace4a8f6d7b [2023-11-21 18:35:45,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:45,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:45,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:45,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:45,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:45,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:45" (1/1) ... [2023-11-21 18:35:45,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a0444a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:45, skipping insertion in model container [2023-11-21 18:35:45,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:45" (1/1) ... [2023-11-21 18:35:45,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:46,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:46,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:46,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:46,140 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:46,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46 WrapperNode [2023-11-21 18:35:46,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:46,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:46,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:46,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:46,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,176 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-11-21 18:35:46,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:46,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:46,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:46,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:46,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:46,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:46,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:46,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:46,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:46,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:46,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:46,387 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:46,389 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:46,630 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:46,685 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:46,686 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:35:46,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:46 BoogieIcfgContainer [2023-11-21 18:35:46,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:46,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:46,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:46,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:46,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:46" (1/1) ... [2023-11-21 18:35:46,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2023-11-21 18:35:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-11-21 18:35:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:46,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:46,926 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 18:35:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2023-11-21 18:35:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-11-21 18:35:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:46,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:47,017 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 18:35:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2023-11-21 18:35:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2023-11-21 18:35:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:35:47,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:47,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:35:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:47,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:35:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:47,113 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-21 18:35:47,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:35:47 ImpRootNode [2023-11-21 18:35:47,136 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:35:47,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:35:47,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:35:47,144 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:35:47,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:46" (3/4) ... [2023-11-21 18:35:47,146 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:35:47,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:35:47,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:35:47,207 INFO L158 Benchmark]: Toolchain (without parser) took 1319.42ms. Allocated memory is still 169.9MB. Free memory was 125.0MB in the beginning and 80.3MB in the end (delta: 44.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:47,210 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:47,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.36ms. Allocated memory is still 169.9MB. Free memory was 124.3MB in the beginning and 115.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:35:47,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 169.9MB. Free memory was 115.1MB in the beginning and 113.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:47,214 INFO L158 Benchmark]: Boogie Preprocessor took 21.47ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 113.1MB in the end (delta: 744.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:47,215 INFO L158 Benchmark]: RCFGBuilder took 487.25ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 100.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:35:47,215 INFO L158 Benchmark]: CodeCheck took 446.93ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 81.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:35:47,216 INFO L158 Benchmark]: Witness Printer took 61.06ms. Allocated memory is still 169.9MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:47,224 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, 28 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 12 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 1 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 32]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x,y; [L16] int z; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L21] COND TRUE y > 0 && x > 0 [L22] COND FALSE !(x>y) [L25] z = x [L27] COND FALSE !(__VERIFIER_nondet_int() != 0) [L32] y+x VAL [x=1, y=2147483647, z=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.36ms. Allocated memory is still 169.9MB. Free memory was 124.3MB in the beginning and 115.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 169.9MB. Free memory was 115.1MB in the beginning and 113.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.47ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 113.1MB in the end (delta: 744.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.25ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 100.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 446.93ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 81.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 61.06ms. Allocated memory is still 169.9MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:35:47,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_919dbc0f-8193-4019-b217-b925995c26e1/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)