./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/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_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/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 64bit --witnessprinter.graph.data.programhash 5bf26ccbca67eadfc8be228ae0ce73967bf71adff541d9e72eed0a31a7109bae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:02:07,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:02:07,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:02:07,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:02:07,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:02:07,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:02:07,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:02:07,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:02:07,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:02:07,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:02:07,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:02:07,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:02:07,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:02:07,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:02:07,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:02:07,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:02:07,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:02:07,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:02:07,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:02:07,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:02:07,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:02:07,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:02:07,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:02:07,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:02:07,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:02:07,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:02:07,258 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_bf211fad-3597-44af-9ea5-a4fb867c8f07/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf26ccbca67eadfc8be228ae0ce73967bf71adff541d9e72eed0a31a7109bae [2024-11-13 23:02:07,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:02:07,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:02:07,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:02:07,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:02:07,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:02:07,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/c.07.c Unable to find full path for "g++" [2024-11-13 23:02:09,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:02:09,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:02:09,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/sv-benchmarks/c/termination-restricted-15/c.07.c [2024-11-13 23:02:09,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/data/53216a6d7/9711ceee334c4168b62da3f6dae43b96/FLAG98ae5306c [2024-11-13 23:02:09,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/data/53216a6d7/9711ceee334c4168b62da3f6dae43b96 [2024-11-13 23:02:09,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:02:09,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:02:09,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:02:09,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:02:10,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:02:10,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:02:09" (1/1) ... [2024-11-13 23:02:10,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ceac1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10, skipping insertion in model container [2024-11-13 23:02:10,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:02:09" (1/1) ... [2024-11-13 23:02:10,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:02:10,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:02:10,170 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:02:10,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:02:10,195 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:02:10,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10 WrapperNode [2024-11-13 23:02:10,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:02:10,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:02:10,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:02:10,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:02:10,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,223 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 23:02:10,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:02:10,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:02:10,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:02:10,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:02:10,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:02:10,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:02:10,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:02:10,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:02:10,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:02:10,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:02:10,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:02:10,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:02:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:02:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:02:10,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:02:10,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:02:10,467 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 23:02:10,467 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:02:10,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:02:10,494 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:02:10,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:10 BoogieIcfgContainer [2024-11-13 23:02:10,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:02:10,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:02:10,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:02:10,506 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:02:10,506 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:10" (1/1) ... [2024-11-13 23:02:10,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:02:10,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 23:02:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 23:02:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:02:10,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:10,790 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 23:02:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 23:02:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 23:02:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:02:10,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:10,969 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 23:02:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 23:02:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 23:02:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:02:11,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:11,133 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 23:02:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 23:02:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 23:02:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:02:11,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:11,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:11,444 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 23:02:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 23:02:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 23:02:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:02:11,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:11,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:12,099 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 23:02:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 23:02:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 23:02:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:02:12,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:12,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:02:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 23:02:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 23:02:13,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:02:13,475 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:02:13,491 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 23:02:13,545 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-13 23:02:13,549 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:02:13,549 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-13 23:02:13,549 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~tmp~0#1| 100) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~tmp~0#1|))) [2024-11-13 23:02:13,550 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~tmp~0#1| 100) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_~tmp~0#1|))) [2024-11-13 23:02:13,550 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:02:13,550 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-13 23:02:13,550 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-13 23:02:13,550 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~j~0#1|))) [2024-11-13 23:02:13,550 INFO L77 FloydHoareUtils]: At program point L16-1(line 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~j~0#1|))) [2024-11-13 23:02:13,550 INFO L77 FloydHoareUtils]: At program point L12-2(lines 12 17) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647)) [2024-11-13 23:02:13,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:02:13 ImpRootNode [2024-11-13 23:02:13,564 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:02:13,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:02:13,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:02:13,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:02:13,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:10" (3/4) ... [2024-11-13 23:02:13,568 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:02:13,575 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:02:13,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:02:13,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 23:02:13,667 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:02:13,669 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:02:13,669 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:02:13,672 INFO L158 Benchmark]: Toolchain (without parser) took 3674.95ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 38.3MB in the end (delta: 55.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-13 23:02:13,672 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:13,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.09ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 84.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:02:13,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.57ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:13,673 INFO L158 Benchmark]: Boogie Preprocessor took 17.44ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 750.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:13,673 INFO L158 Benchmark]: RCFGBuilder took 252.70ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 72.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:02:13,675 INFO L158 Benchmark]: CodeCheck took 3068.80ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 43.1MB in the end (delta: 29.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-13 23:02:13,675 INFO L158 Benchmark]: Witness Printer took 104.02ms. Allocated memory is still 117.4MB. Free memory was 43.1MB in the beginning and 38.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:02:13,677 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 326 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 0 mSDtfsCounter, 326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 260 SyntacticMatches, 11 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 2/11 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (((0 <= (j + 2147483648)) && (0 <= (i + 2147483648))) && (k <= 2147483647)) * 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 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.09ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 84.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.57ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.44ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 750.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.70ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 72.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3068.80ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 43.1MB in the end (delta: 29.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 104.02ms. Allocated memory is still 117.4MB. Free memory was 43.1MB in the beginning and 38.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:02:13,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf211fad-3597-44af-9ea5-a4fb867c8f07/bin/ukojak-verify-EEHR8qb7sm/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