./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/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 d90463d8e0cbd052bb21c654ec3e821e0001fc9b ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:47:28,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:47:28,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:47:28,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:47:28,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:47:28,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:47:28,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:47:28,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:47:28,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:47:28,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:47:28,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:47:28,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:47:28,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:47:28,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:47:28,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:47:28,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:47:28,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:47:28,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:47:28,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:47:28,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:47:28,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:47:28,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:47:28,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:47:28,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:47:28,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:47:28,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:47:28,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:47:28,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:47:28,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:47:28,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:47:28,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:47:28,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:47:28,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:47:28,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:47:28,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:47:28,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:47:28,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:47:28,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:47:28,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:47:28,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:47:28,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:47:28,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:47:28,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:47:28,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:47:28,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:47:28,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:47:28,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:47:28,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:47:28,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:47:28,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:47:28,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:47:28,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:47:28,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:47:28,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:47:28,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:47:28,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:47:28,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:47:28,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:47:28,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:47:28,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:47:28,272 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:47:28,272 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:47:28,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:47:28,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:47:28,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:47:28,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:47:28,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:47:28,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:47:28,274 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:47:28,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:47:28,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:47:28,274 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_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/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 -> d90463d8e0cbd052bb21c654ec3e821e0001fc9b [2019-11-26 02:47:28,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:47:28,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:47:28,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:47:28,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:47:28,463 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:47:28,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/../../sv-benchmarks/c/ldv-regression/nested_structure-1.i [2019-11-26 02:47:28,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/data/16c86e3f8/88968c1af56e4a3788a26ae7b466aa09/FLAGf9557bf74 [2019-11-26 02:47:28,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:47:28,889 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/sv-benchmarks/c/ldv-regression/nested_structure-1.i [2019-11-26 02:47:28,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/data/16c86e3f8/88968c1af56e4a3788a26ae7b466aa09/FLAGf9557bf74 [2019-11-26 02:47:28,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/data/16c86e3f8/88968c1af56e4a3788a26ae7b466aa09 [2019-11-26 02:47:28,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:47:28,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:47:28,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:28,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:47:28,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:47:28,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:28" (1/1) ... [2019-11-26 02:47:28,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b33eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:28, skipping insertion in model container [2019-11-26 02:47:28,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:28" (1/1) ... [2019-11-26 02:47:28,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:47:28,955 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:47:29,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:29,170 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:47:29,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:29,196 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:47:29,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29 WrapperNode [2019-11-26 02:47:29,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:29,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:29,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:47:29,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:47:29,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:29,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:47:29,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:47:29,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:47:29,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:47:29,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:47:29,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:47:29,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:47:29,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/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 [2019-11-26 02:47:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:47:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:47:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:47:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:47:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:47:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:47:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:47:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:47:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:47:29,605 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:47:29,606 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:47:29,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:29 BoogieIcfgContainer [2019-11-26 02:47:29,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:47:29,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:47:29,607 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:47:29,617 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:47:29,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:29" (1/1) ... [2019-11-26 02:47:29,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:47:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-26 02:47:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-26 02:47:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:47:29,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2019-11-26 02:47:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-11-26 02:47:29,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:47:29,954 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-11-26 02:47:29,961 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:47:29,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:29,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:47:29 ImpRootNode [2019-11-26 02:47:29,992 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:47:29,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:47:29,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:47:29,993 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:47:29,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:29" (3/4) ... [2019-11-26 02:47:29,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:47:30,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:47:30,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:47:30,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:47:30,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d9acd9a-fb2a-4eb4-9c0e-cbabd4505d5a/bin/ukojak/witness.graphml [2019-11-26 02:47:30,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:47:30,052 INFO L168 Benchmark]: Toolchain (without parser) took 1135.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:30,052 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:30,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -217.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:30,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:30,054 INFO L168 Benchmark]: Boogie Preprocessor took 18.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:30,055 INFO L168 Benchmark]: RCFGBuilder took 359.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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. [2019-11-26 02:47:30,055 INFO L168 Benchmark]: CodeCheck took 385.14 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:30,056 INFO L168 Benchmark]: Witness Printer took 57.68 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. [2019-11-26 02:47:30,059 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: 0.3s, 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, 0.1s 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: 9]: 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: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -217.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 359.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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 385.14 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.68 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...