./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk --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 bbce05e26e4feaaa0ebeb9efcf8c88c0203b88b4666e0af67734f03a59aad27a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:08:37,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:08:38,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:08:38,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:08:38,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:08:38,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:08:38,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:08:38,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:08:38,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:08:38,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:08:38,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:08:38,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:08:38,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:08:38,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:08:38,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:08:38,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:08:38,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:08:38,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:08:38,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:08:38,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:08:38,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:08:38,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:08:38,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:08:38,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:08:38,053 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:08:38,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:08:38,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:08:38,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:08:38,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:08:38,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:08:38,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:08:38,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:08:38,072 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_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbce05e26e4feaaa0ebeb9efcf8c88c0203b88b4666e0af67734f03a59aad27a [2024-11-09 00:08:38,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:08:38,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:08:38,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:08:38,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:08:38,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:08:38,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.05.c Unable to find full path for "g++" [2024-11-09 00:08:40,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:08:40,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:08:40,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.05.c [2024-11-09 00:08:40,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/data/a76255d71/3904c39ff7664daa8cecdf47e90b8313/FLAG977f4e2b0 [2024-11-09 00:08:40,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/data/a76255d71/3904c39ff7664daa8cecdf47e90b8313 [2024-11-09 00:08:40,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:08:40,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:08:40,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:08:40,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:08:40,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:08:40,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:08:40" (1/1) ... [2024-11-09 00:08:40,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db36555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:40, skipping insertion in model container [2024-11-09 00:08:40,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:08:40" (1/1) ... [2024-11-09 00:08:40,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:08:41,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:08:41,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:08:41,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:08:41,184 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:08:41,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41 WrapperNode [2024-11-09 00:08:41,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:08:41,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:08:41,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:08:41,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:08:41,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,211 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-09 00:08:41,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:08:41,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:08:41,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:08:41,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:08:41,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:08:41,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:08:41,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:08:41,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:08:41,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:08:41,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:08:41,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:08:41,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:08:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:08:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:08:41,372 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:08:41,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:08:41,492 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 00:08:41,492 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:08:41,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:08:41,516 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:08:41,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:41 BoogieIcfgContainer [2024-11-09 00:08:41,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:08:41,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:08:41,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:08:41,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:08:41,528 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:41" (1/1) ... [2024-11-09 00:08:41,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:08:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-09 00:08:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-09 00:08:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:08:41,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:41,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:08:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-09 00:08:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-09 00:08:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:08:41,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:08:41,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:08:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:08:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:08:41,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:08:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:08:41,837 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:08:41,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:08:41 ImpRootNode [2024-11-09 00:08:41,861 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:08:41,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:08:41,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:08:41,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:08:41,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:41" (3/4) ... [2024-11-09 00:08:41,865 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:08:41,902 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:08:41,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:08:41,903 INFO L158 Benchmark]: Toolchain (without parser) took 946.92ms. Allocated memory is still 172.0MB. Free memory was 136.2MB in the beginning and 94.5MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 00:08:41,903 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 172.0MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:08:41,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.99ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 124.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:08:41,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.05ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 122.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:08:41,905 INFO L158 Benchmark]: Boogie Preprocessor took 19.80ms. Allocated memory is still 172.0MB. Free memory was 122.9MB in the beginning and 122.3MB in the end (delta: 550.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:08:41,906 INFO L158 Benchmark]: RCFGBuilder took 284.23ms. Allocated memory is still 172.0MB. Free memory was 121.8MB in the beginning and 111.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:08:41,906 INFO L158 Benchmark]: CodeCheck took 344.17ms. Allocated memory is still 172.0MB. Free memory was 111.8MB in the beginning and 96.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:08:41,907 INFO L158 Benchmark]: Witness Printer took 40.05ms. Allocated memory is still 172.0MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:08:41,910 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] COND FALSE !(x >= 0 && x <= z) VAL [x=1073741824, y=0, z=1073741824] [L27] COND TRUE x >= 0 && x <= z VAL [x=1073741824, y=0, z=1073741824] [L28] 2*x VAL [y=0, z=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 172.0MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.99ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 124.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.05ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 122.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.80ms. Allocated memory is still 172.0MB. Free memory was 122.9MB in the beginning and 122.3MB in the end (delta: 550.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.23ms. Allocated memory is still 172.0MB. Free memory was 121.8MB in the beginning and 111.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 344.17ms. Allocated memory is still 172.0MB. Free memory was 111.8MB in the beginning and 96.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 40.05ms. Allocated memory is still 172.0MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:08:41,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddba8e3c-cc03-4053-a5ec-2a7a2ddac031/bin/ukojak-verify-ImItNfHLgk/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)