./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/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 41d17b9aa5f2178c80003b4f705c8a61e02072b8 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 19:08:10,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:08:10,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:08:10,932 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:08:10,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:08:10,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:08:10,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:08:10,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:08:10,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:08:10,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:08:10,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:08:10,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:08:10,949 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:08:10,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:08:10,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:08:10,951 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:08:10,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:08:10,953 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:08:10,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:08:10,971 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:08:10,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:08:10,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:08:10,977 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:08:10,977 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:08:10,978 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:08:10,978 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:08:10,979 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:08:10,980 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:08:10,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:08:10,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:08:10,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:08:10,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:08:10,982 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:08:10,994 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:08:10,995 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:08:10,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:08:10,998 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:08:11,021 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:08:11,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:08:11,024 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:08:11,025 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:08:11,025 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:08:11,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:08:11,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:08:11,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:08:11,028 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:08:11,028 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:08:11,028 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:08:11,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:08:11,028 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:08:11,028 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:08:11,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:08:11,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:08:11,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:08:11,029 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:08:11,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:08:11,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:08:11,029 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:08:11,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:08:11,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:08:11,029 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_0a68f81d-2044-45fe-96b7-133fbf2a5183/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 -> 41d17b9aa5f2178c80003b4f705c8a61e02072b8 [2018-11-18 19:08:11,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:08:11,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:08:11,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:08:11,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:08:11,107 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:08:11,108 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-11-18 19:08:11,170 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/data/31ed92692/d9243332a75b4a0ab94e29732475bd6c/FLAGab2b0ed32 [2018-11-18 19:08:11,770 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:08:11,778 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/sv-benchmarks/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-11-18 19:08:11,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/data/31ed92692/d9243332a75b4a0ab94e29732475bd6c/FLAGab2b0ed32 [2018-11-18 19:08:12,011 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/data/31ed92692/d9243332a75b4a0ab94e29732475bd6c [2018-11-18 19:08:12,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:08:12,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:08:12,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:08:12,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:08:12,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:08:12,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:12,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f117e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12, skipping insertion in model container [2018-11-18 19:08:12,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:12,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:08:12,103 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:08:12,756 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:08:12,759 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:08:12,931 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:08:12,956 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:08:12,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12 WrapperNode [2018-11-18 19:08:12,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:08:12,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:08:12,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:08:12,958 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:08:12,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:08:13,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:08:13,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:08:13,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:08:13,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... [2018-11-18 19:08:13,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:08:13,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:08:13,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:08:13,379 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:08:13,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:08:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/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 [2018-11-18 19:08:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 19:08:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:08:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:10:58,285 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:10:58,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:10:58 BoogieIcfgContainer [2018-11-18 19:10:58,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:10:58,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:10:58,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:10:58,297 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:10:58,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:10:58" (1/1) ... [2018-11-18 19:10:58,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:10:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 19:10:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 19:10:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 19:10:58,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 19:10:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 19:10:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 19:10:58,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:59,491 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-18 19:11:00,282 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 19:11:00,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:11:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-18 19:11:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-18 19:11:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:11:00,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:11:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:11:01,681 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2018-11-18 19:11:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:11:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:11:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-11-18 19:11:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-11-18 19:11:02,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:11:02,042 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-18 19:11:02,050 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:11:02,189 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-18 19:11:02,197 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 19:11:02,202 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:11:02,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:11:02 ImpRootNode [2018-11-18 19:11:02,203 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:11:02,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:11:02,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:11:02,204 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:11:02,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:10:58" (3/4) ... [2018-11-18 19:11:02,207 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:11:02,228 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 19:11:02,229 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 19:11:02,230 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 19:11:02,231 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 19:11:02,348 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0a68f81d-2044-45fe-96b7-133fbf2a5183/bin-2019/ukojak/witness.graphml [2018-11-18 19:11:02,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:11:02,349 INFO L168 Benchmark]: Toolchain (without parser) took 170334.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 361.8 MB). Free memory was 946.4 MB in the beginning and 958.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 350.1 MB. Max. memory is 11.5 GB. [2018-11-18 19:11:02,351 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:11:02,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 940.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 907.5 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-11-18 19:11:02,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 313.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 907.5 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 19:11:02,352 INFO L168 Benchmark]: Boogie Preprocessor took 107.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 19:11:02,352 INFO L168 Benchmark]: RCFGBuilder took 164906.87 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 1.1 GB in the beginning and 758.0 MB in the end (delta: 302.4 MB). Peak memory consumption was 555.1 MB. Max. memory is 11.5 GB. [2018-11-18 19:11:02,353 INFO L168 Benchmark]: CodeCheck took 3916.83 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.5 MB). Free memory was 758.0 MB in the beginning and 980.5 MB in the end (delta: -222.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:11:02,353 INFO L168 Benchmark]: Witness Printer took 145.39 ms. Allocated memory is still 1.4 GB. Free memory was 980.5 MB in the beginning and 958.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-18 19:11:02,360 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, 246 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 104 SDslu, 96 SDs, 0 SdLazy, 196 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 235 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 3065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 13/17 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: 127]: 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: 880]: Loop Invariant Derived loop invariant: ((!(a21 == 6) || a12 + 43 <= 0) || 11 < a12) || !(a24 == 1) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a21 == 6) || a12 + 43 <= 0) || 11 < a12) || !(a24 == 1)) || !(a15 == 6) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 940.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 907.5 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 313.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 907.5 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164906.87 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 1.1 GB in the beginning and 758.0 MB in the end (delta: 302.4 MB). Peak memory consumption was 555.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3916.83 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.5 MB). Free memory was 758.0 MB in the beginning and 980.5 MB in the end (delta: -222.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 145.39 ms. Allocated memory is still 1.4 GB. Free memory was 980.5 MB in the beginning and 958.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...