./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL --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 46a7ff4188c2c3bafb15fa2cd18d09e96971932e8eae948280cc4b8fb8a2f5fb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:45,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:45,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:11:45,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:45,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:45,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:45,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:11:45,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:11:45,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:45,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:45,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:45,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:11:45,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:45,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:45,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:45,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:45,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:11:45,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:45,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:11:45,267 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:45,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:11:45,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:45,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:45,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:45,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:45,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:45,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:45,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:45,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:45,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:11:45,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:45,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:45,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:11:45,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46a7ff4188c2c3bafb15fa2cd18d09e96971932e8eae948280cc4b8fb8a2f5fb [2023-11-19 03:11:45,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:45,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:45,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:45,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:45,551 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:45,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-13.i [2023-11-19 03:11:48,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:48,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:48,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-13.i [2023-11-19 03:11:48,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/data/9bc31ac01/531432a3047a4317aa7b8c3fe92367db/FLAG5ef3133b4 [2023-11-19 03:11:48,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/data/9bc31ac01/531432a3047a4317aa7b8c3fe92367db [2023-11-19 03:11:48,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:49,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:49,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:49,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:49,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:49,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:48" (1/1) ... [2023-11-19 03:11:49,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756e5083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49, skipping insertion in model container [2023-11-19 03:11:49,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:48" (1/1) ... [2023-11-19 03:11:49,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:49,180 WARN L240 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_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-13.i[915,928] [2023-11-19 03:11:49,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:49,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:49,252 WARN L240 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_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-13.i[915,928] [2023-11-19 03:11:49,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:49,317 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:49,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49 WrapperNode [2023-11-19 03:11:49,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:49,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:49,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:49,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:49,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,389 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-19 03:11:49,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:49,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:49,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:49,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:49,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:49,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:49,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:49,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:49,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:49" (1/1) ... [2023-11-19 03:11:49,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:49,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:49,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:49,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:11:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:11:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:49,653 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:49,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:49,998 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:50,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:50,161 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:11:50,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:50 BoogieIcfgContainer [2023-11-19 03:11:50,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:50,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:50,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:50,185 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:50,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:50" (1/1) ... [2023-11-19 03:11:50,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:50,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-19 03:11:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-19 03:11:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:11:50,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:50,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 03:11:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:52,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2023-11-19 03:11:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2023-11-19 03:11:52,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:11:52,473 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 03:11:52,483 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:11:52,516 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:11:52,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:11:52,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:11:52,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:11:52 ImpRootNode [2023-11-19 03:11:52,523 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:11:52,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:11:52,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:11:52,524 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:11:52,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:50" (3/4) ... [2023-11-19 03:11:52,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:11:52,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:11:52,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:11:52,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:11:52,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:11:52,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:11:52,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:11:52,685 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:11:52,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:11:52,686 INFO L158 Benchmark]: Toolchain (without parser) took 3685.51ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 128.9MB in the beginning and 107.1MB in the end (delta: 21.8MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,686 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:11:52,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.26ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 115.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.29ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 111.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,687 INFO L158 Benchmark]: Boogie Preprocessor took 41.33ms. Allocated memory is still 169.9MB. Free memory was 111.7MB in the beginning and 110.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,688 INFO L158 Benchmark]: RCFGBuilder took 740.34ms. Allocated memory is still 169.9MB. Free memory was 110.1MB in the beginning and 83.3MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,688 INFO L158 Benchmark]: CodeCheck took 2349.35ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 83.3MB in the beginning and 112.3MB in the end (delta: -29.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,689 INFO L158 Benchmark]: Witness Printer took 161.15ms. Allocated memory is still 205.5MB. Free memory was 112.3MB in the beginning and 107.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:11:52,691 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 109 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 240/240 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.26ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 115.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.29ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 111.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.33ms. Allocated memory is still 169.9MB. Free memory was 111.7MB in the beginning and 110.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.34ms. Allocated memory is still 169.9MB. Free memory was 110.1MB in the beginning and 83.3MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 2349.35ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 83.3MB in the beginning and 112.3MB in the end (delta: -29.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 161.15ms. Allocated memory is still 205.5MB. Free memory was 112.3MB in the beginning and 107.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:11:52,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaf30e2-366a-42a8-9d3e-e64ed94c1130/bin/ukojak-verify-G8NBE6pJGL/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