./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/heap-data/running_example.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/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_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/running_example.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/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 32bit --witnessprinter.graph.data.programhash 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:31,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:31,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:35:31,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:35:31,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:35:31,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:31,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:31,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:31,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:31,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:31,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:31,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:31,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:35:31,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:35:31,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:35:31,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:31,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:31,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:31,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:31,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:31,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:35:31,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:35:31,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:35:31,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:31,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:31,865 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:31,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:31,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:31,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:31,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:31,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:31,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:31,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:31,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:35:31,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:35:31,868 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_0fecafad-72ff-4505-9661-197225d276c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f [2024-11-08 22:35:32,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:32,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:32,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:32,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:32,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:32,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-data/running_example.i Unable to find full path for "g++" [2024-11-08 22:35:34,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:34,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:34,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/sv-benchmarks/c/heap-data/running_example.i [2024-11-08 22:35:34,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/data/77f6f9647/57b8aade0b624d17a17719e939c45159/FLAG15425245c [2024-11-08 22:35:34,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/data/77f6f9647/57b8aade0b624d17a17719e939c45159 [2024-11-08 22:35:34,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:34,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:34,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:34,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:34,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:34,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e364dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34, skipping insertion in model container [2024-11-08 22:35:34,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:34,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:34,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:34,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:34,887 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:34,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34 WrapperNode [2024-11-08 22:35:34,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:34,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:34,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:34,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:34,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,934 INFO L138 Inliner]: procedures = 121, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-08 22:35:34,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:34,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:34,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:34,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:34,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:34,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:34,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:34,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:34,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:34" (1/1) ... [2024-11-08 22:35:34,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:34,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:34,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:35:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:35:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:35:35,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:35,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:35:35,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:35:35,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:35:35,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:35,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:35,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:35,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:35,401 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:35,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:35,464 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:35,464 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:35:35,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:35 BoogieIcfgContainer [2024-11-08 22:35:35,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:35,466 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:35,466 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:35,478 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:35,478 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:35" (1/1) ... [2024-11-08 22:35:35,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-08 22:35:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-08 22:35:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:35:35,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-08 22:35:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-08 22:35:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:35:35,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 22:35:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 22:35:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:35:36,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2024-11-08 22:35:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2024-11-08 22:35:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:35:36,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:36,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-08 22:35:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-08 22:35:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:35:36,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:36,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2024-11-08 22:35:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2024-11-08 22:35:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:35:37,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:37,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-11-08 22:35:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-11-08 22:35:37,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:35:37,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:35:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2024-11-08 22:35:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2024-11-08 22:35:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:35:37,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:35:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2024-11-08 22:35:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2024-11-08 22:35:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:35:37,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:35:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2024-11-08 22:35:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2024-11-08 22:35:38,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:35:38,562 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-08 22:35:38,570 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:35:38,694 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-11-08 22:35:38,695 INFO L77 FloydHoareUtils]: At program point main_Loop~3#1(lines 577 585) the Hoare annotation is: true [2024-11-08 22:35:38,695 INFO L77 FloydHoareUtils]: At program point L577-1(lines 577 585) the Hoare annotation is: true [2024-11-08 22:35:38,695 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 590) no Hoare annotation was computed. [2024-11-08 22:35:38,695 INFO L77 FloydHoareUtils]: At program point L577-3(lines 577 585) the Hoare annotation is: true [2024-11-08 22:35:38,696 INFO L77 FloydHoareUtils]: At program point L590(lines 590 591) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|))) (and (<= .cse0 20) (= .cse0 |ULTIMATE.start_main_#t~mem10#1|) (< 9 .cse0))) [2024-11-08 22:35:38,696 INFO L77 FloydHoareUtils]: At program point L590-1(line 590) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~post12#1| 19) (<= 10 |ULTIMATE.start_main_#t~post12#1|)) [2024-11-08 22:35:38,696 INFO L77 FloydHoareUtils]: At program point L590-2(line 590) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~post12#1| 19) [2024-11-08 22:35:38,696 INFO L77 FloydHoareUtils]: At program point L590-4(lines 590 591) the Hoare annotation is: true [2024-11-08 22:35:38,697 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 590) no Hoare annotation was computed. [2024-11-08 22:35:38,697 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 22:35:38,697 INFO L77 FloydHoareUtils]: At program point L591(line 591) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem13#1| 20) (<= 20 |ULTIMATE.start_main_#t~mem13#1|)) [2024-11-08 22:35:38,697 INFO L77 FloydHoareUtils]: At program point L591-1(line 591) the Hoare annotation is: (<= (div |ULTIMATE.start_main_#t~mem13#1| 2) 10) [2024-11-08 22:35:38,697 INFO L77 FloydHoareUtils]: At program point L587-1(lines 587 592) the Hoare annotation is: true [2024-11-08 22:35:38,698 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:35:38,698 INFO L77 FloydHoareUtils]: At program point L587-3(lines 587 592) the Hoare annotation is: true [2024-11-08 22:35:38,698 INFO L77 FloydHoareUtils]: At program point L587-4(lines 586 593) the Hoare annotation is: true [2024-11-08 22:35:38,698 INFO L77 FloydHoareUtils]: At program point L579(line 579) the Hoare annotation is: true [2024-11-08 22:35:38,698 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-11-08 22:35:38,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:35:38 ImpRootNode [2024-11-08 22:35:38,707 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:35:38,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:35:38,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:35:38,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:35:38,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:35" (3/4) ... [2024-11-08 22:35:38,710 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:35:38,717 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 22:35:38,717 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:35:38,717 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:35:38,718 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:35:38,802 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:35:38,803 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:35:38,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:35:38,804 INFO L158 Benchmark]: Toolchain (without parser) took 4397.62ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 136.5MB in the beginning and 82.2MB in the end (delta: 54.3MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,804 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:38,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.17ms. Allocated memory is still 172.0MB. Free memory was 136.5MB in the beginning and 117.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 115.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,805 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 172.0MB. Free memory was 115.4MB in the beginning and 113.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,806 INFO L158 Benchmark]: RCFGBuilder took 503.45ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 96.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,806 INFO L158 Benchmark]: CodeCheck took 3240.85ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 96.7MB in the beginning and 87.5MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,806 INFO L158 Benchmark]: Witness Printer took 95.65ms. Allocated memory is still 230.7MB. Free memory was 87.5MB in the beginning and 82.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:35:38,809 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, 19 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 426 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 370 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 611 IncrementalHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 198 mSDtfsCounter, 611 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 900 GetRequests, 848 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 13/13 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 - PositiveResult [Line: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.17ms. Allocated memory is still 172.0MB. Free memory was 136.5MB in the beginning and 117.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 115.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 172.0MB. Free memory was 115.4MB in the beginning and 113.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.45ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 96.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3240.85ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 96.7MB in the beginning and 87.5MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 95.65ms. Allocated memory is still 230.7MB. Free memory was 87.5MB in the beginning and 82.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:35:38,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fecafad-72ff-4505-9661-197225d276c1/bin/ukojak-verify-ImItNfHLgk/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 Result: TRUE