./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_1b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm --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 de4c7bf005639409d0c5506b91694c0a93e2905c64b2cd28aafb6e9617d859e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:21:52,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:21:52,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:21:52,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:21:52,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:21:52,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:21:52,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:21:52,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:21:52,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:21:52,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:21:52,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:21:52,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:21:52,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:21:52,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:21:52,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:21:52,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:21:52,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:21:52,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:21:52,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:21:52,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:21:52,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:21:52,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:21:52,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:21:52,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:21:52,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:21:52,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:21:52,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:21:52,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:21:52,299 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_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm 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 -> de4c7bf005639409d0c5506b91694c0a93e2905c64b2cd28aafb6e9617d859e5 [2024-11-13 22:21:52,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:21:52,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:21:52,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:21:52,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:21:52,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:21:52,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-simple/nested_1b.c Unable to find full path for "g++" [2024-11-13 22:21:54,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:21:54,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:21:54,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/sv-benchmarks/c/loop-simple/nested_1b.c [2024-11-13 22:21:54,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/data/5c84ffb81/bebe7b5bfd3f42f48f15afca02a700b7/FLAGa38fbce00 [2024-11-13 22:21:54,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/data/5c84ffb81/bebe7b5bfd3f42f48f15afca02a700b7 [2024-11-13 22:21:54,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:21:54,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:21:55,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:21:55,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:21:55,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:21:55,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:21:54" (1/1) ... [2024-11-13 22:21:55,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294547e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55, skipping insertion in model container [2024-11-13 22:21:55,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:21:54" (1/1) ... [2024-11-13 22:21:55,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:21:55,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:21:55,220 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:21:55,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:21:55,256 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:21:55,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55 WrapperNode [2024-11-13 22:21:55,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:21:55,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:21:55,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:21:55,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:21:55,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,286 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-13 22:21:55,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:21:55,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:21:55,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:21:55,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:21:55,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:21:55,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:21:55,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:21:55,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:21:55,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:21:55,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:21:55,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:21:55,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:21:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:21:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:21:55,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:21:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:21:55,480 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:21:55,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:21:55,624 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:21:55,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:21:55,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:21:55,680 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:21:55,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:55 BoogieIcfgContainer [2024-11-13 22:21:55,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:21:55,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:21:55,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:21:55,695 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:21:55,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:55" (1/1) ... [2024-11-13 22:21:55,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:21:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 22:21:55,783 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 22:21:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:21:55,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:55,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-13 22:21:56,109 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-13 22:21:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:21:56,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-13 22:21:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-13 22:21:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:21:56,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:56,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:21:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:21:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:21:56,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:21:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-13 22:21:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-13 22:21:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:21:56,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:21:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-13 22:21:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-13 22:21:57,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:21:57,119 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 22:21:57,131 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 22:21:57,286 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-13 22:21:57,287 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:21:57,287 INFO L77 FloydHoareUtils]: At program point L19-2(line 19) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (< |ULTIMATE.start_main_~a~0#1| 1)) (and (<= |ULTIMATE.start_main_~a~0#1| 5) (<= 1 |ULTIMATE.start_main_~a~0#1|))) [2024-11-13 22:21:57,287 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~a~0#1| 5) (<= 0 (+ 2147483649 |ULTIMATE.start_main_~a~0#1|))) [2024-11-13 22:21:57,287 INFO L77 FloydHoareUtils]: At program point L19-4(lines 19 21) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) [2024-11-13 22:21:57,287 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:21:57,288 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-13 22:21:57,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:21:57 ImpRootNode [2024-11-13 22:21:57,303 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:21:57,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:21:57,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:21:57,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:21:57,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:55" (3/4) ... [2024-11-13 22:21:57,309 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:21:57,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:21:57,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:21:57,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:21:57,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:21:57,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:21:57,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:21:57,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:21:57,413 INFO L158 Benchmark]: Toolchain (without parser) took 2412.03ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 82.3MB in the end (delta: 11.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 22:21:57,414 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:21:57,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.38ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:21:57,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.40ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:21:57,415 INFO L158 Benchmark]: Boogie Preprocessor took 15.04ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.1MB in the end (delta: 446.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:21:57,415 INFO L158 Benchmark]: RCFGBuilder took 377.73ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 71.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:21:57,416 INFO L158 Benchmark]: CodeCheck took 1620.54ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 87.0MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:21:57,416 INFO L158 Benchmark]: Witness Printer took 106.16ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 82.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:21:57,418 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 10/12 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 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (0 <= (a + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.38ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.40ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.04ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.1MB in the end (delta: 446.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.73ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 71.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1620.54ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 87.0MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.16ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 82.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:21:57,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8c20ef-434e-4a28-b4c9-b728ca5f7b11/bin/ukojak-verify-EEHR8qb7sm/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