./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/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 e923b8df9840581cda9d28a6ef35720547faae12 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:14:34,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:34,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:34,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:34,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:34,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:34,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:34,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:34,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:34,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:34,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:34,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:34,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:34,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:34,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:34,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:34,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:34,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:34,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:34,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:34,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:34,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:34,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:34,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:34,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:34,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:34,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:34,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:34,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:34,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:34,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:34,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:34,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:34,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:34,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:34,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:34,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:34,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:34,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:34,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:34,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:34,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:14:34,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:34,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:34,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:34,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:34,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:34,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:34,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:34,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:34,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:34,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:34,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:34,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:34,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:34,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:34,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:34,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:34,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:34,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:34,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:34,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:34,231 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:34,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:34,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:34,232 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/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/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 -> e923b8df9840581cda9d28a6ef35720547faae12 [2019-10-22 10:14:34,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:34,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:34,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:34,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:34,274 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:34,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i [2019-10-22 10:14:34,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/data/94db977f6/51cc09a4f4b5413687c91816a0be5acf/FLAG88c5d3811 [2019-10-22 10:14:34,709 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:34,710 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i [2019-10-22 10:14:34,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/data/94db977f6/51cc09a4f4b5413687c91816a0be5acf/FLAG88c5d3811 [2019-10-22 10:14:34,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/data/94db977f6/51cc09a4f4b5413687c91816a0be5acf [2019-10-22 10:14:34,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:34,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:34,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:34,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:34,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:34,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:34" (1/1) ... [2019-10-22 10:14:34,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201d2f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:34, skipping insertion in model container [2019-10-22 10:14:34,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:34" (1/1) ... [2019-10-22 10:14:34,747 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:34,768 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:34,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:34,934 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:35,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:35,040 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:35,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35 WrapperNode [2019-10-22 10:14:35,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:35,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:35,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:35,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:35,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:35,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:35,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:35,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:35,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:35,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:35,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:35,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:35,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/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 [2019-10-22 10:14:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:14:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:14:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:14:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:14:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:14:35,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:35,452 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 10:14:35,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:35 BoogieIcfgContainer [2019-10-22 10:14:35,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:35,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:35,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:35,464 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:35,464 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:35" (1/1) ... [2019-10-22 10:14:35,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-10-22 10:14:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-10-22 10:14:35,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:14:35,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2019-10-22 10:14:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-10-22 10:14:35,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:35,732 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-10-22 10:14:35,741 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:14:35,753 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:35,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:35 ImpRootNode [2019-10-22 10:14:35,757 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:35,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:35,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:35,758 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:35,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:35" (3/4) ... [2019-10-22 10:14:35,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:35,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:14:35,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:14:35,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:14:35,821 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3995f58-9aaa-4eaf-9041-22b5d27ad4f6/bin/ukojak/witness.graphml [2019-10-22 10:14:35,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:35,824 INFO L168 Benchmark]: Toolchain (without parser) took 1091.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -104.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:35,825 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:35,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:35,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.88 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. [2019-10-22 10:14:35,827 INFO L168 Benchmark]: Boogie Preprocessor took 21.91 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. [2019-10-22 10:14:35,827 INFO L168 Benchmark]: RCFGBuilder took 353.66 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: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:35,828 INFO L168 Benchmark]: CodeCheck took 303.01 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:35,828 INFO L168 Benchmark]: Witness Printer took 65.58 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. [2019-10-22 10:14:35,830 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: 0.2s, 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, 10 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: 4]: 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: 2]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.88 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 21.91 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 353.66 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: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * CodeCheck took 303.01 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.58 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...