./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/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 1b7a7a5814a56a9e6dbbad2923f39cc878cc4b23 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:05:56,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:05:56,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:05:56,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:05:56,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:05:56,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:05:56,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:05:56,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:05:56,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:05:56,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:05:56,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:05:56,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:05:56,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:05:56,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:05:56,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:05:56,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:05:56,257 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:05:56,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:05:56,259 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:05:56,260 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:05:56,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:05:56,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:05:56,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:05:56,263 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:05:56,263 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:05:56,263 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:05:56,264 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:05:56,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:05:56,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:05:56,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:05:56,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:05:56,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:05:56,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:05:56,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:05:56,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:05:56,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:05:56,267 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 19:05:56,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:05:56,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:05:56,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:05:56,275 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 19:05:56,276 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:05:56,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:05:56,276 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:05:56,276 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:05:56,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:05:56,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:05:56,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:05:56,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:05:56,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 19:05:56,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:05:56,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:05:56,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:05:56,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:05:56,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:05:56,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:05:56,278 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 19:05:56,278 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:05:56,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:05:56,278 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_7adf2dac-c8b2-4863-848b-4da4788a77bd/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 -> 1b7a7a5814a56a9e6dbbad2923f39cc878cc4b23 [2018-12-08 19:05:56,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:05:56,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:05:56,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:05:56,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:05:56,305 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:05:56,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c [2018-12-08 19:05:56,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/data/cbc8ab0c8/d7577113c32140249090a5558c2160c2/FLAGb4fcbd413 [2018-12-08 19:05:56,819 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:05:56,819 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c [2018-12-08 19:05:56,826 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/data/cbc8ab0c8/d7577113c32140249090a5558c2160c2/FLAGb4fcbd413 [2018-12-08 19:05:56,834 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/data/cbc8ab0c8/d7577113c32140249090a5558c2160c2 [2018-12-08 19:05:56,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:05:56,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:05:56,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:05:56,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:05:56,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:05:56,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:05:56" (1/1) ... [2018-12-08 19:05:56,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:56, skipping insertion in model container [2018-12-08 19:05:56,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:05:56" (1/1) ... [2018-12-08 19:05:56,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:05:56,870 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:05:57,042 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:05:57,045 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:05:57,127 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:05:57,136 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:05:57,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57 WrapperNode [2018-12-08 19:05:57,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:05:57,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:05:57,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:05:57,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:05:57,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:05:57,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:05:57,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:05:57,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:05:57,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... [2018-12-08 19:05:57,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:05:57,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:05:57,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:05:57,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:05:57,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:05:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/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 [2018-12-08 19:05:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:05:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:06:58,037 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:06:58,037 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 19:06:58,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:58 BoogieIcfgContainer [2018-12-08 19:06:58,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:06:58,037 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 19:06:58,038 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 19:06:58,044 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 19:06:58,045 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:58" (1/1) ... [2018-12-08 19:06:58,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 19:06:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 19:06:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 19:06:58,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 19:06:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 19:06:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 19:06:58,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-08 19:06:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-08 19:06:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 19:06:58,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:06:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2018-12-08 19:06:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2018-12-08 19:06:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 19:06:59,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:06:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2018-12-08 19:06:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2018-12-08 19:06:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 19:06:59,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:06:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-12-08 19:06:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-12-08 19:06:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 19:06:59,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:07:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2018-12-08 19:07:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2018-12-08 19:07:00,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:07:00,440 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-08 19:07:00,447 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 19:07:00,560 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-08 19:07:00,566 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-08 19:07:00,567 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 19:07:00,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 07:07:00 ImpRootNode [2018-12-08 19:07:00,567 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 19:07:00,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:07:00,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:07:00,567 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:07:00,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:58" (3/4) ... [2018-12-08 19:07:00,570 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:07:00,580 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-08 19:07:00,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 19:07:00,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 19:07:00,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:07:00,643 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7adf2dac-c8b2-4863-848b-4da4788a77bd/bin-2019/ukojak/witness.graphml [2018-12-08 19:07:00,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:07:00,644 INFO L168 Benchmark]: Toolchain (without parser) took 63807.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 420.0 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -233.9 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:07:00,645 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:07:00,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:07:00,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:07:00,645 INFO L168 Benchmark]: Boogie Preprocessor took 35.16 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:07:00,646 INFO L168 Benchmark]: RCFGBuilder took 60819.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 837.8 MB in the end (delta: 288.4 MB). Peak memory consumption was 476.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:07:00,646 INFO L168 Benchmark]: CodeCheck took 2529.53 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.0 MB). Free memory was 837.8 MB in the beginning and 1.2 GB in the end (delta: -369.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:07:00,646 INFO L168 Benchmark]: Witness Printer took 76.25 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:07:00,647 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, 2.2s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 376 SDtfs, 704 SDslu, 496 SDs, 0 SdLazy, 2034 SolverSat, 270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 566 SyntacticMatches, 37 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1840 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 7972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/54 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: 136]: 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: ((a12 == 0 && a4 == 14) && !(a19 == 7)) || ((!(a10 == 3) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a10 == 3) || 218 < a1) || !(a19 == 7)) && 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.16 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 60819.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 837.8 MB in the end (delta: 288.4 MB). Peak memory consumption was 476.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2529.53 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.0 MB). Free memory was 837.8 MB in the beginning and 1.2 GB in the end (delta: -369.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 76.25 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 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...