./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/running_example.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b --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 0.3.0-dev-d790fec [2024-12-06 01:57:06,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:57:06,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 01:57:06,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:57:06,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:57:06,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:57:06,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:57:06,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:57:06,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:57:06,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:57:06,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:57:06,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:57:06,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:57:06,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:57:06,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:57:06,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:57:06,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:57:06,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:57:06,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:57:06,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:57:06,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 01:57:06,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:57:06,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:57:06,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:57:06,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:57:06,857 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:57:06,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/heap-data/running_example.i [2024-12-06 01:57:09,488 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/data/1c7227d4c/18754494606847299bff7c3ebbddc0a7/FLAG89021b054 [2024-12-06 01:57:09,703 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:57:09,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/sv-benchmarks/c/heap-data/running_example.i [2024-12-06 01:57:09,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/data/1c7227d4c/18754494606847299bff7c3ebbddc0a7/FLAG89021b054 [2024-12-06 01:57:09,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/data/1c7227d4c/18754494606847299bff7c3ebbddc0a7 [2024-12-06 01:57:09,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:57:09,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:57:09,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:57:09,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:57:09,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:57:09,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:57:09" (1/1) ... [2024-12-06 01:57:09,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305b8035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:09, skipping insertion in model container [2024-12-06 01:57:09,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:57:09" (1/1) ... [2024-12-06 01:57:09,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:57:10,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:57:10,010 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:57:10,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:57:10,069 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:57:10,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10 WrapperNode [2024-12-06 01:57:10,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:57:10,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:57:10,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:57:10,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:57:10,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,102 INFO L138 Inliner]: procedures = 121, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-12-06 01:57:10,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:57:10,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:57:10,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:57:10,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:57:10,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,119 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:57:10,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:57:10,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:57:10,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:57:10,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:57:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:57:10,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:57:10,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:57:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:57:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:57:10,271 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:57:10,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:57:10,425 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 01:57:10,426 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:57:10,469 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:57:10,469 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:57:10,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:57:10 BoogieIcfgContainer [2024-12-06 01:57:10,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:57:10,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:57:10,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:57:10,480 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:57:10,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:57:10" (1/1) ... [2024-12-06 01:57:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:57:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 01:57:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 01:57:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:57:10,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:57:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 01:57:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 01:57:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:57:10,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:10,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:57:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-06 01:57:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-06 01:57:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:57:11,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:11,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:57:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-12-06 01:57:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 01:57:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:57:11,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:11,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:57:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-12-06 01:57:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-06 01:57:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:57:11,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:11,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:57:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-12-06 01:57:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-12-06 01:57:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:57:11,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:57:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2024-12-06 01:57:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-12-06 01:57:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:57:12,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:12,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:57:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2024-12-06 01:57:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-12-06 01:57:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:57:12,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:57:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2024-12-06 01:57:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2024-12-06 01:57:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:57:12,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:57:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2024-12-06 01:57:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2024-12-06 01:57:13,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:57:13,103 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 01:57:13,111 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 01:57:13,258 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-12-06 01:57:13,258 INFO L77 FloydHoareUtils]: At program point main_Loop~3#1(lines 577 585) the Hoare annotation is: true [2024-12-06 01:57:13,258 INFO L77 FloydHoareUtils]: At program point L577-1(lines 577 585) the Hoare annotation is: true [2024-12-06 01:57:13,258 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 590) no Hoare annotation was computed. [2024-12-06 01:57:13,258 INFO L77 FloydHoareUtils]: At program point L577-4(lines 577 585) the Hoare annotation is: true [2024-12-06 01:57:13,259 INFO L77 FloydHoareUtils]: At program point L590(lines 590 591) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|))) (let ((.cse0 (= .cse1 |ULTIMATE.start_main_#t~mem10#1|))) (or (and .cse0 (= .cse1 10)) (and (<= .cse1 20) .cse0 (< 10 .cse1))))) [2024-12-06 01:57:13,259 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|)) [2024-12-06 01:57:13,259 INFO L77 FloydHoareUtils]: At program point L590-2(line 590) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~post12#1| 19) [2024-12-06 01:57:13,259 INFO L77 FloydHoareUtils]: At program point L590-4(lines 590 591) the Hoare annotation is: true [2024-12-06 01:57:13,259 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 590) no Hoare annotation was computed. [2024-12-06 01:57:13,259 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 01:57:13,259 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|)) [2024-12-06 01:57:13,259 INFO L77 FloydHoareUtils]: At program point L591-1(line 591) the Hoare annotation is: (<= (div |ULTIMATE.start_main_#t~mem13#1| 2) 10) [2024-12-06 01:57:13,259 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:57:13,259 INFO L77 FloydHoareUtils]: At program point L587-3(lines 587 592) the Hoare annotation is: true [2024-12-06 01:57:13,260 INFO L77 FloydHoareUtils]: At program point L587-4(lines 586 593) the Hoare annotation is: true [2024-12-06 01:57:13,260 INFO L77 FloydHoareUtils]: At program point L579(line 579) the Hoare annotation is: true [2024-12-06 01:57:13,260 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-12-06 01:57:13,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:57:13 ImpRootNode [2024-12-06 01:57:13,268 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:57:13,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:57:13,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:57:13,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:57:13,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:57:10" (3/4) ... [2024-12-06 01:57:13,271 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:57:13,277 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 01:57:13,278 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 01:57:13,278 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:57:13,278 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:57:13,346 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:57:13,346 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:57:13,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:57:13,347 INFO L158 Benchmark]: Toolchain (without parser) took 3614.74ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 35.5MB in the end (delta: 55.9MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2024-12-06 01:57:13,347 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:57:13,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.17ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:57:13,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.94ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:57:13,348 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:57:13,348 INFO L158 Benchmark]: RCFGBuilder took 342.39ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 55.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:57:13,349 INFO L158 Benchmark]: CodeCheck took 2797.43ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 40.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-12-06 01:57:13,349 INFO L158 Benchmark]: Witness Printer took 77.89ms. Allocated memory is still 117.4MB. Free memory was 40.4MB in the beginning and 35.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:57:13,351 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 431 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 373 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 244 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 738 IncrementalHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 129 mSDtfsCounter, 738 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 771 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 12/12 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, ConComCheckerStatistics: 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 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.17ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.94ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.16ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.39ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 55.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2797.43ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 40.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 77.89ms. Allocated memory is still 117.4MB. Free memory was 40.4MB in the beginning and 35.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:57:13,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bbc0bd-db15-4b8d-a327-d64f7be19e33/bin/ukojak-verify-CZk0znPC7b/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 Result: TRUE