./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b --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 b8bc9de3d9f51bc5c6470e24c35cb3edba79759c76c5cfb6c2a32518b5b17fdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:50:10,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:10,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:50:10,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:50:10,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:50:10,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:10,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:10,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:10,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:10,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:10,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:10,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:10,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:50:10,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:10,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:10,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:10,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:10,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:10,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:10,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:10,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:10,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:10,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:10,481 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:50:10,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:50:10,482 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_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> b8bc9de3d9f51bc5c6470e24c35cb3edba79759c76c5cfb6c2a32518b5b17fdc [2024-12-06 05:50:10,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:10,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:10,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:10,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:10,706 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:10,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i [2024-12-06 05:50:13,426 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/data/392b47c52/abb51298610342d982519d464178414b/FLAG33ab14ef0 [2024-12-06 05:50:13,643 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:13,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i [2024-12-06 05:50:13,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/data/392b47c52/abb51298610342d982519d464178414b/FLAG33ab14ef0 [2024-12-06 05:50:14,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/data/392b47c52/abb51298610342d982519d464178414b [2024-12-06 05:50:14,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:14,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:14,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:14,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:14,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:14,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2a8ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14, skipping insertion in model container [2024-12-06 05:50:14,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:14,178 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_96c670f9-3a15-411b-9605-fb0d26a03980/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i[915,928] [2024-12-06 05:50:14,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:14,225 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:50:14,235 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_96c670f9-3a15-411b-9605-fb0d26a03980/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i[915,928] [2024-12-06 05:50:14,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:14,266 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:50:14,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14 WrapperNode [2024-12-06 05:50:14,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:14,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:14,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:50:14,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:50:14,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,302 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-12-06 05:50:14,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:14,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:50:14,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:50:14,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:50:14,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:50:14,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:50:14,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:50:14,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:50:14,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:14,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:50:14,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:50:14,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:50:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:50:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:50:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:50:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:50:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:50:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:50:14,452 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:50:14,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:50:14,651 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-06 05:50:14,651 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:50:14,755 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:50:14,755 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:50:14,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:50:14 BoogieIcfgContainer [2024-12-06 05:50:14,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:50:14,756 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:50:14,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:50:14,766 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:50:14,766 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:50:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 05:50:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 05:50:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 05:50:14,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:14,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 05:50:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2024-12-06 05:50:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2024-12-06 05:50:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 05:50:16,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-06 05:50:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 21 states and 29 transitions. [2024-12-06 05:50:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 05:50:16,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:50:16,732 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-12-06 05:50:16,741 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L69(line 69) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L71-1(line 71) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L73-1(line 73) the Hoare annotation is: true [2024-12-06 05:50:16,825 INFO L77 FloydHoareUtils]: At program point L65(line 65) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L65-1(line 65) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L90-3(lines 90 96) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L66(line 66) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L75(line 75) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L75-1(line 75) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L76(lines 63 77) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: true [2024-12-06 05:50:16,826 INFO L77 FloydHoareUtils]: At program point L68-1(line 68) the Hoare annotation is: true [2024-12-06 05:50:16,827 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-12-06 05:50:16,827 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-12-06 05:50:16,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:50:16 ImpRootNode [2024-12-06 05:50:16,840 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:50:16,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:50:16,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:50:16,841 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:50:16,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:50:14" (3/4) ... [2024-12-06 05:50:16,844 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:50:16,846 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 05:50:16,850 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-12-06 05:50:16,851 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-06 05:50:16,851 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 05:50:16,851 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:50:16,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:50:16,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:50:16,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:50:16,917 INFO L158 Benchmark]: Toolchain (without parser) took 2892.14ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 116.8MB in the beginning and 248.1MB in the end (delta: -131.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,918 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:16,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.05ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.56ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,918 INFO L158 Benchmark]: Boogie Preprocessor took 24.58ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:16,919 INFO L158 Benchmark]: RCFGBuilder took 427.55ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 73.6MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,919 INFO L158 Benchmark]: CodeCheck took 2084.23ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 73.6MB in the beginning and 253.8MB in the end (delta: -180.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:16,920 INFO L158 Benchmark]: Witness Printer took 75.52ms. Allocated memory is still 310.4MB. Free memory was 253.8MB in the beginning and 248.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,922 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 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 126 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 311/311 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_9 == \old(last_1_var_1_9))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.05ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.56ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.58ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.55ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 73.6MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 2084.23ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 73.6MB in the beginning and 253.8MB in the end (delta: -180.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.52ms. Allocated memory is still 310.4MB. Free memory was 253.8MB in the beginning and 248.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:50:16,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c670f9-3a15-411b-9605-fb0d26a03980/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE