./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4433bb60ef050acea7db74543af3a05ddf5a434 ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:04:18,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:04:18,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:04:18,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:04:18,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:04:18,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:04:18,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:04:18,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:04:18,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:04:18,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:04:18,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:04:18,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:04:18,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:04:18,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:04:18,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:04:18,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:04:18,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:04:18,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:04:18,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:04:18,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:04:18,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:04:18,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:04:18,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:04:18,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:04:18,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:04:18,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:04:18,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:04:18,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:04:18,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:04:18,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:04:18,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:04:18,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:04:18,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:04:18,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:04:18,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:04:18,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:04:18,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:04:18,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:04:18,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:04:18,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:04:18,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:04:18,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:04:18,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:04:18,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:04:18,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:04:18,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:04:18,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:04:18,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:04:18,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:04:18,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:04:18,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:04:18,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:04:18,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:04:18,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:04:18,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:04:18,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:04:18,465 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:04:18,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:04:18,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:04:18,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:04:18,466 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:04:18,467 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:04:18,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:04:18,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:04:18,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:04:18,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:04:18,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:04:18,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:04:18,468 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:04:18,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:04:18,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:04:18,469 INFO L138 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-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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(__VERIFIER_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 -> f4433bb60ef050acea7db74543af3a05ddf5a434 [2019-11-19 22:04:18,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:04:18,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:04:18,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:04:18,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:04:18,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:04:18,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/../../sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-19 22:04:18,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/data/1bb0a6e83/7c49567a8e9d4024a22077f831d50025/FLAG1b197bf37 [2019-11-19 22:04:19,084 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:04:19,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/sv-benchmarks/c/bitvector-regression/signextension-2.c [2019-11-19 22:04:19,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/data/1bb0a6e83/7c49567a8e9d4024a22077f831d50025/FLAG1b197bf37 [2019-11-19 22:04:19,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/data/1bb0a6e83/7c49567a8e9d4024a22077f831d50025 [2019-11-19 22:04:19,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:04:19,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:04:19,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:04:19,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:04:19,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:04:19,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a153f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19, skipping insertion in model container [2019-11-19 22:04:19,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:04:19,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:04:19,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:04:19,298 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:04:19,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:04:19,380 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:04:19,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19 WrapperNode [2019-11-19 22:04:19,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:04:19,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:04:19,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:04:19,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:04:19,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:04:19,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:04:19,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:04:19,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:04:19,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:04:19,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:04:19,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:04:19,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:04:19,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:04:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:04:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:04:19,632 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:04:19,632 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 22:04:19,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:19 BoogieIcfgContainer [2019-11-19 22:04:19,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:04:19,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:04:19,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:04:19,643 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:04:19,644 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:19" (1/1) ... [2019-11-19 22:04:19,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:04:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:04:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-19 22:04:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-19 22:04:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-19 22:04:19,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:04:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:04:20,113 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2019-11-19 22:04:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:04:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:04:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2019-11-19 22:04:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-11-19 22:04:20,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:04:20,162 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-11-19 22:04:20,170 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:04:20,195 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:04:20,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:04:20 ImpRootNode [2019-11-19 22:04:20,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:04:20,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:04:20,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:04:20,201 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:04:20,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:19" (3/4) ... [2019-11-19 22:04:20,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:04:20,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:04:20,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:04:20,245 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c625a1a8-0b8e-4a13-aff2-b20274fe0e4d/bin/ukojak/witness.graphml [2019-11-19 22:04:20,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:04:20,251 INFO L168 Benchmark]: Toolchain (without parser) took 1143.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:04:20,252 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:04:20,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:04:20,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:04:20,254 INFO L168 Benchmark]: Boogie Preprocessor took 13.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:04:20,255 INFO L168 Benchmark]: RCFGBuilder took 209.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:04:20,260 INFO L168 Benchmark]: CodeCheck took 566.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:04:20,260 INFO L168 Benchmark]: Witness Printer took 49.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:04:20,266 INFO L335 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, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 25]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 209.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * CodeCheck took 566.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...