./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_union.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_union.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/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 d175f2e77aebe63dd05869db0ed17fb7b8bf3540 .......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 10:12:46,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 10:12:46,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 10:12:46,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 10:12:46,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 10:12:46,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 10:12:46,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 10:12:46,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 10:12:46,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 10:12:46,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 10:12:46,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 10:12:46,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 10:12:46,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 10:12:46,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 10:12:46,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 10:12:46,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 10:12:46,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 10:12:46,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 10:12:46,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 10:12:46,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 10:12:46,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 10:12:46,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 10:12:46,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 10:12:46,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 10:12:46,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 10:12:46,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 10:12:46,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 10:12:46,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 10:12:46,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 10:12:46,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 10:12:46,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 10:12:46,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 10:12:46,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 10:12:46,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 10:12:46,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 10:12:46,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 10:12:46,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 10:12:46,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 10:12:46,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 10:12:46,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 10:12:46,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 10:12:46,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 10:12:46,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 10:12:46,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 10:12:46,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 10:12:46,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 10:12:46,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 10:12:46,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 10:12:46,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 10:12:46,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 10:12:46,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 10:12:46,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 10:12:46,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 10:12:46,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 10:12:46,528 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 10:12:46,528 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 10:12:46,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:12:46,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 10:12:46,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 10:12:46,530 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_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/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 -> d175f2e77aebe63dd05869db0ed17fb7b8bf3540 [2019-12-01 10:12:46,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 10:12:46,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 10:12:46,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 10:12:46,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 10:12:46,641 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 10:12:46,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test_union.i [2019-12-01 10:12:46,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/data/506a53ed7/b226aafd7ab74ca89ed81b328f712f98/FLAG179bfe2b9 [2019-12-01 10:12:47,004 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 10:12:47,004 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/sv-benchmarks/c/ldv-regression/test_union.i [2019-12-01 10:12:47,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/data/506a53ed7/b226aafd7ab74ca89ed81b328f712f98/FLAG179bfe2b9 [2019-12-01 10:12:47,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/data/506a53ed7/b226aafd7ab74ca89ed81b328f712f98 [2019-12-01 10:12:47,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 10:12:47,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 10:12:47,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 10:12:47,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 10:12:47,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 10:12:47,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47, skipping insertion in model container [2019-12-01 10:12:47,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 10:12:47,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 10:12:47,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:12:47,145 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 10:12:47,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:12:47,201 INFO L208 MainTranslator]: Completed translation [2019-12-01 10:12:47,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47 WrapperNode [2019-12-01 10:12:47,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 10:12:47,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 10:12:47,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 10:12:47,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 10:12:47,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 10:12:47,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 10:12:47,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 10:12:47,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 10:12:47,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 10:12:47,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 10:12:47,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 10:12:47,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 10:12:47,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/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 [2019-12-01 10:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 10:12:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 10:12:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 10:12:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 10:12:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 10:12:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 10:12:47,384 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 10:12:47,385 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 10:12:47,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:47 BoogieIcfgContainer [2019-12-01 10:12:47,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 10:12:47,386 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 10:12:47,386 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 10:12:47,395 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 10:12:47,395 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:47" (1/1) ... [2019-12-01 10:12:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 10:12:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:12:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-12-01 10:12:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-12-01 10:12:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 10:12:47,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:12:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:12:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:12:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:12:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2019-12-01 10:12:47,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-12-01 10:12:47,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 10:12:47,542 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-12-01 10:12:47,548 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 10:12:47,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:12:47 ImpRootNode [2019-12-01 10:12:47,554 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 10:12:47,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 10:12:47,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 10:12:47,554 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 10:12:47,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:47" (3/4) ... [2019-12-01 10:12:47,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 10:12:47,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 10:12:47,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-01 10:12:47,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 10:12:47,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb7f3acb-2935-4b54-97a9-371b41ddcd1c/bin/ukojak/witness.graphml [2019-12-01 10:12:47,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 10:12:47,592 INFO L168 Benchmark]: Toolchain (without parser) took 572.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:12:47,592 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:12:47,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-01 10:12:47,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:12:47,593 INFO L168 Benchmark]: Boogie Preprocessor took 11.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:12:47,594 INFO L168 Benchmark]: RCFGBuilder took 151.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-12-01 10:12:47,594 INFO L168 Benchmark]: CodeCheck took 167.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-01 10:12:47,594 INFO L168 Benchmark]: Witness Printer took 36.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:12:47,597 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: 0.1s, 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 6]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 151.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * CodeCheck took 167.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...