./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/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_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:22:51,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:22:52,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:22:52,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:22:52,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:22:52,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:22:52,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:22:52,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:22:52,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:22:52,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:22:52,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:22:52,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:22:52,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:22:52,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:22:52,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:22:52,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:22:52,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:52,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:22:52,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:22:52,137 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_273bfc30-5601-43f4-bff6-cd884ec4096a/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 ! call(reach_error())) ) 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 -> 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c [2024-11-13 23:22:52,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:22:52,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:22:52,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:22:52,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:22:52,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:22:52,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-lit/cggmp2005b.i Unable to find full path for "g++" [2024-11-13 23:22:54,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:22:54,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:22:54,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/sv-benchmarks/c/loop-lit/cggmp2005b.i [2024-11-13 23:22:54,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/data/ba042b943/9f4592fd97994e8081b58f4f7ae5d9e6/FLAGcb6c73ac2 [2024-11-13 23:22:54,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/data/ba042b943/9f4592fd97994e8081b58f4f7ae5d9e6 [2024-11-13 23:22:54,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:22:54,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:22:54,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:54,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:22:54,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:22:54,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:54" (1/1) ... [2024-11-13 23:22:54,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238a1e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:54, skipping insertion in model container [2024-11-13 23:22:54,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:54" (1/1) ... [2024-11-13 23:22:54,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:22:55,124 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/sv-benchmarks/c/loop-lit/cggmp2005b.i[895,908] [2024-11-13 23:22:55,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:55,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:22:55,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/sv-benchmarks/c/loop-lit/cggmp2005b.i[895,908] [2024-11-13 23:22:55,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:22:55,195 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:22:55,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55 WrapperNode [2024-11-13 23:22:55,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:22:55,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:55,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:22:55,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:22:55,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,231 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 23:22:55,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:22:55,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:22:55,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:22:55,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:22:55,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:22:55,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:22:55,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:22:55,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:22:55,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:22:55,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:22:55,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:22:55,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:22:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:22:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:22:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:22:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:22:55,402 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:22:55,404 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:55,531 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:55,532 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:55,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:55,571 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:22:55,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:55 BoogieIcfgContainer [2024-11-13 23:22:55,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:55,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:55,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:55,584 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:55,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:55" (1/1) ... [2024-11-13 23:22:55,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 23:22:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 23:22:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:22:55,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:55,874 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 23:22:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-13 23:22:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-13 23:22:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:22:55,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:55,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:22:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-13 23:22:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-13 23:22:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:22:56,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:22:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2024-11-13 23:22:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2024-11-13 23:22:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:22:56,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:56,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:22:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2024-11-13 23:22:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2024-11-13 23:22:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:22:56,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:56,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 23:22:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2024-11-13 23:22:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2024-11-13 23:22:57,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:22:57,339 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 23:22:57,347 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:22:57,445 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 37) the Hoare annotation is: (not (and (< 1 |ULTIMATE.start_main_~i~0#1|) (not (= |ULTIMATE.start_main_~k~0#1| 4)))) [2024-11-13 23:22:57,445 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:22:57,445 INFO L77 FloydHoareUtils]: At program point L35-3(lines 29 38) the Hoare annotation is: (not (and (< 1 |ULTIMATE.start_main_~i~0#1|) (not (= |ULTIMATE.start_main_~k~0#1| 4)))) [2024-11-13 23:22:57,445 INFO L77 FloydHoareUtils]: At program point L31-2(lines 31 33) the Hoare annotation is: true [2024-11-13 23:22:57,446 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-13 23:22:57,446 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:22:57,446 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-13 23:22:57,446 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 23:22:57,446 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-13 23:22:57,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:22:57 ImpRootNode [2024-11-13 23:22:57,458 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:22:57,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:22:57,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:22:57,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:22:57,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:55" (3/4) ... [2024-11-13 23:22:57,462 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:22:57,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 23:22:57,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 23:22:57,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:22:57,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:22:57,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:22:57,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:22:57,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:22:57,550 INFO L158 Benchmark]: Toolchain (without parser) took 2650.37ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 81.0MB in the end (delta: 38.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-13 23:22:57,550 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:57,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.30ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 108.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:57,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.97ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:57,551 INFO L158 Benchmark]: Boogie Preprocessor took 26.78ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 604.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:57,552 INFO L158 Benchmark]: RCFGBuilder took 310.92ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:57,552 INFO L158 Benchmark]: CodeCheck took 1886.09ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 85.8MB in the end (delta: 10.1MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-11-13 23:22:57,552 INFO L158 Benchmark]: Witness Printer took 87.62ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 81.0MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:57,554 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 19 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 17/20 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]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: !((1 < i) && (k != 4)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: !((1 < i) && (k != 4)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.30ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 108.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.97ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.78ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 604.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.92ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1886.09ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 85.8MB in the end (delta: 10.1MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 87.62ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 81.0MB 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 23:22:57,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273bfc30-5601-43f4-bff6-cd884ec4096a/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