./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/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 c02679de872b8968623da7b5a7e12653047a8c34 .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:06:45,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:06:45,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:06:45,905 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:06:45,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:06:45,906 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:06:45,907 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:06:45,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:06:45,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:06:45,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:06:45,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:06:45,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:06:45,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:06:45,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:06:45,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:06:45,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:06:45,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:06:45,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:06:45,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:06:45,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:06:45,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:06:45,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:06:45,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:06:45,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:06:45,920 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:06:45,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:06:45,921 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:06:45,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:06:45,922 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:06:45,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:06:45,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:06:45,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:06:45,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:06:45,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:06:45,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:06:45,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:06:45,925 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:06:45,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:06:45,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:06:45,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:06:45,933 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:06:45,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:06:45,934 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:06:45,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:06:45,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:06:45,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:06:45,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:06:45,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:06:45,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:06:45,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:06:45,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:06:45,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:06:45,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:06:45,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:06:45,935 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:06:45,936 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:06:45,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:06:45,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:06:45,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:06:45,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:06:45,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:06:45,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:06:45,937 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:06:45,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:06:45,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:06:45,937 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_fd721c85-ec0e-4c9a-b796-e86416fd86e7/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 -> c02679de872b8968623da7b5a7e12653047a8c34 [2018-11-10 04:06:45,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:06:45,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:06:45,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:06:45,974 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:06:45,974 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:06:45,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-10 04:06:46,020 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/data/549dc792d/4fe35e7654604b8eb77189b55c410102/FLAG2fb62c6bb [2018-11-10 04:06:46,469 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:06:46,469 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-10 04:06:46,480 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/data/549dc792d/4fe35e7654604b8eb77189b55c410102/FLAG2fb62c6bb [2018-11-10 04:06:46,495 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/data/549dc792d/4fe35e7654604b8eb77189b55c410102 [2018-11-10 04:06:46,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:06:46,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:06:46,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:06:46,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:06:46,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:06:46,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46, skipping insertion in model container [2018-11-10 04:06:46,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:06:46,547 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:06:46,775 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:06:46,778 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:06:46,845 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:06:46,857 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:06:46,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46 WrapperNode [2018-11-10 04:06:46,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:06:46,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:06:46,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:06:46,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:06:46,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:06:46,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:06:46,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:06:46,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:06:46,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:46,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:47,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:47,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... [2018-11-10 04:06:47,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:06:47,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:06:47,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:06:47,016 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:06:47,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/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 [2018-11-10 04:06:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 04:06:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:06:47,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:07:49,923 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:07:49,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:49 BoogieIcfgContainer [2018-11-10 04:07:49,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:07:49,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:07:49,925 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:07:49,934 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:07:49,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:49" (1/1) ... [2018-11-10 04:07:49,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:07:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 04:07:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 04:07:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:07:49,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 04:07:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 04:07:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:07:50,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-10 04:07:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-10 04:07:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:07:50,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:08:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2018-11-10 04:08:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-10 04:08:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:08:01,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:08:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:08:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-10 04:08:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-10 04:08:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:08:02,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:08:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:08:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-10 04:08:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-10 04:08:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:08:02,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:08:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 04:08:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-11-10 04:08:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-11-10 04:08:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:08:04,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:08:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 04:08:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2018-11-10 04:08:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2018-11-10 04:08:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:08:05,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:08:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:08:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2018-11-10 04:08:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2018-11-10 04:08:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:08:06,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:08:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:08:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:08:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2018-11-10 04:08:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2018-11-10 04:08:06,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:08:06,952 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-10 04:08:06,962 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:08:07,091 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2018-11-10 04:08:07,356 INFO L582 CodeCheckObserver]: Invariant with dag size 31 [2018-11-10 04:08:07,366 INFO L582 CodeCheckObserver]: Invariant with dag size 29 [2018-11-10 04:08:07,367 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:08:07,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:08:07 ImpRootNode [2018-11-10 04:08:07,367 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:08:07,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:08:07,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:08:07,368 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:08:07,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:49" (3/4) ... [2018-11-10 04:08:07,371 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:08:07,387 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 04:08:07,388 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 04:08:07,389 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:08:07,390 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:08:07,475 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd721c85-ec0e-4c9a-b796-e86416fd86e7/bin-2019/ukojak/witness.graphml [2018-11-10 04:08:07,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:08:07,476 INFO L168 Benchmark]: Toolchain (without parser) took 80978.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 417.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 232.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,477 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:08:07,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 922.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 922.7 MB in the beginning and 1.1 GB in the end (delta: -207.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,478 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,478 INFO L168 Benchmark]: RCFGBuilder took 62908.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.3 MB). Peak memory consumption was 342.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,479 INFO L168 Benchmark]: CodeCheck took 17442.70 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -21.5 MB). Peak memory consumption was 157.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,479 INFO L168 Benchmark]: Witness Printer took 108.28 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:07,480 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, 207 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3588 SDtfs, 8460 SDslu, 8208 SDs, 0 SdLazy, 18092 SolverSat, 2324 SolverUnsat, 128 SolverUnknown, 0 SolverNotchecked, 73.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1539 GetRequests, 1356 SyntacticMatches, 65 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6584 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 29885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 90/189 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: 169]: 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: (((((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 3))) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || (a19 == 8 || a19 == 7) || 9 <= a19 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a19 == 8 || a19 == 7) || 9 <= a19) || (((((a1 <= 38 || !(a10 == 3)) || 218 < a1) || !(a19 == 6)) && 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 922.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 922.7 MB in the beginning and 1.1 GB in the end (delta: -207.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.95 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 62908.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.3 MB). Peak memory consumption was 342.5 MB. Max. memory is 11.5 GB. * CodeCheck took 17442.70 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -21.5 MB). Peak memory consumption was 157.3 MB. Max. memory is 11.5 GB. * Witness Printer took 108.28 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...