./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31_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_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/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 1526c68070720602d1aaf18c59ad5d7427388bd5 ................................................................................................................................................................................................................................................................... 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 08:55:01,901 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:55:01,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:55:01,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:55:01,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:55:01,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:55:01,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:55:01,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:55:01,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:55:01,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:55:01,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:55:01,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:55:01,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:55:01,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:55:01,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:55:01,920 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:55:01,921 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:55:01,922 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:55:01,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:55:01,924 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:55:01,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:55:01,926 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:55:01,928 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:55:01,928 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:55:01,928 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:55:01,929 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:55:01,930 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:55:01,930 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:55:01,931 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:55:01,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:55:01,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:55:01,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:55:01,933 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:55:01,933 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:55:01,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:55:01,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:55:01,936 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 08:55:01,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:55:01,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:55:01,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:55:01,947 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:55:01,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:55:01,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:55:01,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:55:01,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:55:01,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:55:01,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:55:01,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:55:01,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:55:01,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:55:01,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:55:01,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:55:01,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:55:01,950 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:55:01,950 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 08:55:01,950 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 08:55:01,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:55:01,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:55:01,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:55:01,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:55:01,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:55:01,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:55:01,951 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 08:55:01,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:55:01,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:55:01,952 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_78f97320-ef32-46c2-a0ac-bae684e1d5df/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 -> 1526c68070720602d1aaf18c59ad5d7427388bd5 [2018-11-10 08:55:01,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:55:01,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:55:01,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:55:01,992 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:55:01,993 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:55:01,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c [2018-11-10 08:55:02,048 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/data/50ceb3cc3/084e9b57d8cd4f9597bff8e41cebe236/FLAGcb9c1c9ec [2018-11-10 08:55:02,449 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:55:02,450 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c [2018-11-10 08:55:02,460 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/data/50ceb3cc3/084e9b57d8cd4f9597bff8e41cebe236/FLAGcb9c1c9ec [2018-11-10 08:55:02,472 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/data/50ceb3cc3/084e9b57d8cd4f9597bff8e41cebe236 [2018-11-10 08:55:02,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:55:02,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:55:02,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:55:02,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:55:02,480 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:55:02,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02, skipping insertion in model container [2018-11-10 08:55:02,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:55:02,536 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:55:02,766 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:55:02,768 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:55:02,842 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:55:02,856 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:55:02,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02 WrapperNode [2018-11-10 08:55:02,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:55:02,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:55:02,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:55:02,857 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:55:02,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:55:02,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:55:02,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:55:02,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:55:02,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:02,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:03,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:03,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:03,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... [2018-11-10 08:55:03,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:55:03,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:55:03,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:55:03,038 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:55:03,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/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 08:55:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:55:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:55:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:57:13,271 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:57:13,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:57:13 BoogieIcfgContainer [2018-11-10 08:57:13,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:57:13,272 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 08:57:13,272 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 08:57:13,282 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 08:57:13,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:57:13" (1/1) ... [2018-11-10 08:57:13,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:57:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 08:57:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 08:57:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 08:57:13,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:13,497 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 08:57:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 08:57:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 08:57:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 08:57:13,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:13,917 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 08:57:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-10 08:57:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-10 08:57:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:57:14,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:14,694 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2018-11-10 08:57:14,883 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 08:57:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-11-10 08:57:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-11-10 08:57:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:57:15,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:15,972 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 08:57:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2018-11-10 08:57:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2018-11-10 08:57:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 08:57:16,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 08:57:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-11-10 08:57:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-11-10 08:57:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 08:57:18,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 08:57:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2018-11-10 08:57:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2018-11-10 08:57:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 08:57:18,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 08:57:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2018-11-10 08:57:19,727 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2018-11-10 08:57:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 08:57:19,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 08:57:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2018-11-10 08:57:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2018-11-10 08:57:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 08:57:20,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:57:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:57:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 08:57:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:57:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-11-10 08:57:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-11-10 08:57:21,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:57:21,138 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-10 08:57:21,146 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 08:57:21,456 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 08:57:21,465 INFO L582 CodeCheckObserver]: Invariant with dag size 46 [2018-11-10 08:57:21,467 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:57:21,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 08:57:21 ImpRootNode [2018-11-10 08:57:21,468 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 08:57:21,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:57:21,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:57:21,470 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:57:21,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:57:13" (3/4) ... [2018-11-10 08:57:21,475 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:57:21,492 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 08:57:21,493 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 08:57:21,494 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 08:57:21,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78f97320-ef32-46c2-a0ac-bae684e1d5df/bin-2019/ukojak/witness.graphml [2018-11-10 08:57:21,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:57:21,590 INFO L168 Benchmark]: Toolchain (without parser) took 139115.59 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 551.0 MB). Free memory was 957.5 MB in the beginning and 1.3 GB in the end (delta: -348.6 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,591 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:57:21,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,592 INFO L168 Benchmark]: Boogie Preprocessor took 55.94 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,592 INFO L168 Benchmark]: RCFGBuilder took 130233.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -149.0 MB). Peak memory consumption was 508.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,592 INFO L168 Benchmark]: CodeCheck took 8196.03 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 237.5 MB). Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -68.5 MB). Peak memory consumption was 169.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,593 INFO L168 Benchmark]: Witness Printer took 121.63 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:57:21,594 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, 7.8s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3668 SDtfs, 8648 SDslu, 8528 SDs, 0 SdLazy, 17420 SolverSat, 3020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1583 GetRequests, 1363 SyntacticMatches, 112 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7513 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 41320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 98/246 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: 133]: 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: (((!(a10 == 3) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && 0 <= a1 + 12)) || ((!(a19 == 7) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a12 == 0 && !(a19 == 8 || 9 <= a19)) && ((!(a10 == 3) || !(a19 == 7)) || 0 < a1 + 13)) && a4 == 14) || ((((a19 == 8 || 9 <= a19) && a12 == 0) && a4 == 14) && !(((a1 <= 38 && a19 == 9) && a10 == 0) && 0 < a1 + 13))) || (((a12 == 0 && 0 < a1 + 13) && ((((2 == input || 4 == input) || 3 == input) || 6 == input) || 5 == input)) && 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.94 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130233.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -149.0 MB). Peak memory consumption was 508.5 MB. Max. memory is 11.5 GB. * CodeCheck took 8196.03 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 237.5 MB). Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -68.5 MB). Peak memory consumption was 169.0 MB. Max. memory is 11.5 GB. * Witness Printer took 121.63 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...