./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/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 34fdc62899dd0d13cba90ab54d1289d04fc22048 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:54:36,173 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:54:36,174 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:54:36,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:54:36,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:54:36,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:54:36,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:54:36,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:54:36,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:54:36,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:54:36,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:54:36,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:54:36,187 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:54:36,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:54:36,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:54:36,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:54:36,189 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:54:36,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:54:36,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:54:36,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:54:36,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:54:36,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:54:36,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:54:36,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:54:36,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:54:36,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:54:36,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:54:36,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:54:36,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:54:36,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:54:36,200 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:54:36,200 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:54:36,200 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:54:36,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:54:36,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:54:36,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:54:36,202 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:54:36,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:54:36,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:54:36,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:54:36,213 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:54:36,213 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:54:36,213 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:54:36,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:54:36,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:54:36,215 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:54:36,215 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:54:36,215 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:54:36,215 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:54:36,215 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:54:36,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:54:36,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:54:36,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:54:36,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:54:36,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:54:36,216 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:54:36,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:54:36,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:54:36,216 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/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 -> 34fdc62899dd0d13cba90ab54d1289d04fc22048 [2018-11-23 00:54:36,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:54:36,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:54:36,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:54:36,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:54:36,248 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:54:36,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-23 00:54:36,284 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/data/361a0ad9a/6127812af0ac465ea042f8b94f54d9d7/FLAG7a475a3cf [2018-11-23 00:54:36,750 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:54:36,750 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-23 00:54:36,759 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/data/361a0ad9a/6127812af0ac465ea042f8b94f54d9d7/FLAG7a475a3cf [2018-11-23 00:54:36,771 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/data/361a0ad9a/6127812af0ac465ea042f8b94f54d9d7 [2018-11-23 00:54:36,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:54:36,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:54:36,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:54:36,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:54:36,779 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:54:36,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:36" (1/1) ... [2018-11-23 00:54:36,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:36, skipping insertion in model container [2018-11-23 00:54:36,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:36" (1/1) ... [2018-11-23 00:54:36,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:54:36,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:54:37,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:54:37,052 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:54:37,124 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:54:37,136 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:54:37,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37 WrapperNode [2018-11-23 00:54:37,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:54:37,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:54:37,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:54:37,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:54:37,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:54:37,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:54:37,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:54:37,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:54:37,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... [2018-11-23 00:54:37,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:54:37,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:54:37,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:54:37,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:54:37,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/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 [2018-11-23 00:54:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:54:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:54:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:55:34,161 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:55:34,162 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:55:34,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:34 BoogieIcfgContainer [2018-11-23 00:55:34,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:55:34,162 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:55:34,163 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:55:34,171 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:55:34,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:34" (1/1) ... [2018-11-23 00:55:34,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:55:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 00:55:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 00:55:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 00:55:34,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:55:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 00:55:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 00:55:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:55:34,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:55:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2018-11-23 00:55:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2018-11-23 00:55:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:55:45,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:55:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2018-11-23 00:55:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2018-11-23 00:55:46,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:55:46,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:55:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2018-11-23 00:55:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2018-11-23 00:55:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:55:47,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:55:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 74 transitions. [2018-11-23 00:55:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 74 transitions. [2018-11-23 00:55:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:55:48,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:55:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2018-11-23 00:55:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2018-11-23 00:55:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:55:49,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:55:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:55:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:55:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:55:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-11-23 00:55:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-11-23 00:55:49,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:55:49,653 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 00:55:49,660 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:55:49,851 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-23 00:55:49,859 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 00:55:49,860 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:55:49,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:55:49 ImpRootNode [2018-11-23 00:55:49,860 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:55:49,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:55:49,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:55:49,861 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:55:49,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:34" (3/4) ... [2018-11-23 00:55:49,864 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:55:49,878 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-11-23 00:55:49,879 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 00:55:49,880 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:55:49,881 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:55:49,957 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ce9bdfc-47f2-4a3d-9726-38e850494ef8/bin-2019/ukojak/witness.graphml [2018-11-23 00:55:49,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:55:49,958 INFO L168 Benchmark]: Toolchain (without parser) took 73184.16 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 454.6 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -406.0 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,959 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:55:49,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.89 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,960 INFO L168 Benchmark]: Boogie Preprocessor took 46.57 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,960 INFO L168 Benchmark]: RCFGBuilder took 56865.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 105.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.1 MB). Peak memory consumption was 340.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,960 INFO L168 Benchmark]: CodeCheck took 15697.75 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 213.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -259.0 MB). Peak memory consumption was 401.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,961 INFO L168 Benchmark]: Witness Printer took 97.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:55:49,962 INFO L336 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, 206 locations, 1 error locations. SAFE Result, 15.4s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 832 SDtfs, 1790 SDslu, 1152 SDs, 0 SdLazy, 5554 SolverSat, 740 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 62.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 964 GetRequests, 843 SyntacticMatches, 33 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3849 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 13076 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/86 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 109]: 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: 582]: Loop Invariant Derived loop invariant: (((0 < a1 + 13 || !(a10 == 1)) && a12 == 0) && a4 == 14) || ((a12 == 0 && !(a19 == 8)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 8) || !(a10 == 1)) || 0 < a1 + 13) && a12 == 0) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.89 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.57 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 56865.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 105.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.1 MB). Peak memory consumption was 340.9 MB. Max. memory is 11.5 GB. * CodeCheck took 15697.75 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 213.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -259.0 MB). Peak memory consumption was 401.0 MB. Max. memory is 11.5 GB. * Witness Printer took 97.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...