./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_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_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:09:22,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:09:22,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:09:22,242 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:09:22,242 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:09:22,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:09:22,243 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:09:22,244 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:09:22,245 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:09:22,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:09:22,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:09:22,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:09:22,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:09:22,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:09:22,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:09:22,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:09:22,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:09:22,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:09:22,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:09:22,250 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:09:22,251 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:09:22,251 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:09:22,252 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:09:22,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:09:22,253 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:09:22,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:09:22,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:09:22,254 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:09:22,254 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:09:22,255 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:09:22,255 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:09:22,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:09:22,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:09:22,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:09:22,256 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:09:22,256 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:09:22,256 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 01:09:22,264 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:09:22,264 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:09:22,264 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:09:22,265 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 01:09:22,265 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:09:22,265 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:09:22,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:09:22,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:09:22,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:09:22,265 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:09:22,265 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:09:22,266 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 01:09:22,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:09:22,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 01:09:22,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:09:22,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:09:22,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:09:22,267 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 01:09:22,267 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:09:22,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:09:22,267 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_27c5b414-b280-4702-8718-68bc562983c0/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-12-09 01:09:22,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:09:22,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:09:22,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:09:22,298 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:09:22,299 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:09:22,299 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-09 01:09:22,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/data/1e21db775/8371cfc9048248a495605bc2c7121b42/FLAG851225344 [2018-12-09 01:09:22,766 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:09:22,767 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-09 01:09:22,773 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/data/1e21db775/8371cfc9048248a495605bc2c7121b42/FLAG851225344 [2018-12-09 01:09:22,782 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/data/1e21db775/8371cfc9048248a495605bc2c7121b42 [2018-12-09 01:09:22,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:09:22,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:09:22,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:09:22,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:09:22,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:09:22,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:09:22" (1/1) ... [2018-12-09 01:09:22,789 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 09.12 01:09:22, skipping insertion in model container [2018-12-09 01:09:22,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:09:22" (1/1) ... [2018-12-09 01:09:22,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:09:22,817 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:09:22,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:09:22,991 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:09:23,092 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:09:23,101 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:09:23,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23 WrapperNode [2018-12-09 01:09:23,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:09:23,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:09:23,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:09:23,102 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:09:23,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:09:23,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:09:23,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:09:23,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:09:23,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... [2018-12-09 01:09:23,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:09:23,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:09:23,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:09:23,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:09:23,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/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 [2018-12-09 01:09:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:09:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:10:27,874 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:10:27,875 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 01:10:27,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:10:27 BoogieIcfgContainer [2018-12-09 01:10:27,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:10:27,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 01:10:27,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 01:10:27,882 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 01:10:27,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:10:27" (1/1) ... [2018-12-09 01:10:27,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:10:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 01:10:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 01:10:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 01:10:27,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:10:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 01:10:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 01:10:28,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 01:10:28,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:10:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-12-09 01:10:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-12-09 01:10:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 01:10:28,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:10:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-12-09 01:10:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-12-09 01:10:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 01:10:29,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:10:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2018-12-09 01:10:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2018-12-09 01:10:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 01:10:29,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 01:10:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2018-12-09 01:10:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2018-12-09 01:10:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 01:10:30,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 01:10:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2018-12-09 01:10:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2018-12-09 01:10:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 01:10:30,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:10:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 01:10:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:10:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2018-12-09 01:10:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2018-12-09 01:10:31,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:10:31,495 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-09 01:10:31,501 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 01:10:31,675 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 01:10:31,683 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-09 01:10:31,684 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 01:10:31,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:10:31 ImpRootNode [2018-12-09 01:10:31,685 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 01:10:31,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:10:31,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:10:31,685 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:10:31,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:10:27" (3/4) ... [2018-12-09 01:10:31,689 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:10:31,700 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-09 01:10:31,701 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 01:10:31,701 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 01:10:31,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:10:31,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27c5b414-b280-4702-8718-68bc562983c0/bin-2019/ukojak/witness.graphml [2018-12-09 01:10:31,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:10:31,780 INFO L168 Benchmark]: Toolchain (without parser) took 68996.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 255.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:10:31,782 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-09 01:10:31,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:10:31,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.54 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. [2018-12-09 01:10:31,782 INFO L168 Benchmark]: Boogie Preprocessor took 32.48 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. [2018-12-09 01:10:31,782 INFO L168 Benchmark]: RCFGBuilder took 64696.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.1 MB). Peak memory consumption was 330.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:10:31,783 INFO L168 Benchmark]: CodeCheck took 3809.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:10:31,783 INFO L168 Benchmark]: Witness Printer took 95.00 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:10:31,785 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, 3.5s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 764 SDtfs, 1362 SDslu, 1016 SDs, 0 SdLazy, 3978 SolverSat, 668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 898 GetRequests, 761 SyntacticMatches, 53 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3552 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 16636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 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: 196]: 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 && !(a10 == 1)) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a19 == 7))) || (((221 <= a1 || a1 <= 33) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && (a19 == 8 || 9 <= a19)) && a4 == 14) || ((a12 == 0 && a4 == 14) && (a19 <= 6 || !(a10 == 1))) - 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 0.14 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 316.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.54 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. * Boogie Preprocessor took 32.48 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. * RCFGBuilder took 64696.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.1 MB). Peak memory consumption was 330.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3809.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Witness Printer took 95.00 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...