./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.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_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 .................................................................................................................................................................................................................................................. 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 12:03:01,131 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:03:01,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:03:01,141 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:03:01,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:03:01,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:03:01,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:03:01,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:03:01,145 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:03:01,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:03:01,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:03:01,146 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:03:01,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:03:01,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:03:01,148 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:03:01,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:03:01,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:03:01,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:03:01,152 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:03:01,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:03:01,154 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:03:01,155 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:03:01,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:03:01,157 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:03:01,157 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:03:01,158 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:03:01,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:03:01,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:03:01,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:03:01,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:03:01,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:03:01,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:03:01,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:03:01,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:03:01,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:03:01,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:03:01,162 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:03:01,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:03:01,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:03:01,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:03:01,173 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:03:01,174 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:03:01,174 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:03:01,174 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:03:01,174 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:03:01,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:03:01,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:03:01,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:03:01,176 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:03:01,176 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:03:01,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:03:01,176 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:03:01,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:03:01,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:03:01,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:03:01,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:03:01,177 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:03:01,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:03:01,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:03:01,177 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_0e003034-02f2-4dec-943f-6039455ff672/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-11-10 12:03:01,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:03:01,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:03:01,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:03:01,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:03:01,214 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:03:01,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-10 12:03:01,259 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/data/063a5c4c5/427ed1ab5cb84af99f226fbb95b1ca04/FLAGd5f5b69e2 [2018-11-10 12:03:01,728 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:03:01,728 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-10 12:03:01,738 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/data/063a5c4c5/427ed1ab5cb84af99f226fbb95b1ca04/FLAGd5f5b69e2 [2018-11-10 12:03:01,749 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/data/063a5c4c5/427ed1ab5cb84af99f226fbb95b1ca04 [2018-11-10 12:03:01,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:03:01,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:03:01,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:03:01,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:03:01,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:03:01,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1103724a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01, skipping insertion in model container [2018-11-10 12:03:01,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:03:01,801 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:03:02,052 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:03:02,056 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:03:02,138 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:03:02,148 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:03:02,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02 WrapperNode [2018-11-10 12:03:02,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:03:02,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:03:02,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:03:02,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:03:02,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:03:02,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:03:02,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:03:02,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:03:02,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... [2018-11-10 12:03:02,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:03:02,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:03:02,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:03:02,319 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:03:02,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/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 12:03:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:03:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:03:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:07:55,750 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:07:55,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:55 BoogieIcfgContainer [2018-11-10 12:07:55,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:07:55,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:07:55,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:07:55,759 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:07:55,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:55" (1/1) ... [2018-11-10 12:07:55,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:07:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:07:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:07:55,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:07:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:07:55,957 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 12:07:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:07:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:07:56,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:07:56,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:07:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:07:56,361 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 12:07:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-10 12:07:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-10 12:07:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:07:56,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:07:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:07:57,218 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 12:08:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:08:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-10 12:08:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-10 12:08:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:08:07,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:08:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:09,101 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 43 [2018-11-10 12:08:09,411 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 43 [2018-11-10 12:08:09,603 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2018-11-10 12:08:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:08:40,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:08:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-11-10 12:08:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-11-10 12:08:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:08:40,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:08:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:08:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:08:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2018-11-10 12:08:42,362 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2018-11-10 12:08:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:08:42,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:08:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:08:43,465 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2018-11-10 12:09:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:09:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2018-11-10 12:09:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2018-11-10 12:09:03,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:09:03,652 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 12:09:03,659 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:09:03,764 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2018-11-10 12:09:04,023 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 12:09:04,032 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 12:09:04,032 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:09:04,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:09:04 ImpRootNode [2018-11-10 12:09:04,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:09:04,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:09:04,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:09:04,033 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:09:04,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:55" (3/4) ... [2018-11-10 12:09:04,038 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:09:04,054 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 12:09:04,055 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 12:09:04,056 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:09:04,057 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:09:04,141 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0e003034-02f2-4dec-943f-6039455ff672/bin-2019/ukojak/witness.graphml [2018-11-10 12:09:04,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:09:04,142 INFO L168 Benchmark]: Toolchain (without parser) took 362390.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.1 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 272.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,142 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:09:04,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.71 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 914.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 914.6 MB in the beginning and 1.2 GB in the end (delta: -236.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,144 INFO L168 Benchmark]: Boogie Preprocessor took 52.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,145 INFO L168 Benchmark]: RCFGBuilder took 293432.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 455.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,145 INFO L168 Benchmark]: CodeCheck took 68280.99 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.9 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,145 INFO L168 Benchmark]: Witness Printer took 108.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:09:04,147 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, 67.8s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 456 SDtfs, 1084 SDslu, 1056 SDs, 0 SdLazy, 2152 SolverSat, 340 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 151.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 789 SyntacticMatches, 37 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4131 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 35985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 46/117 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: 145]: 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: 20]: Loop Invariant Derived loop invariant: (((!(a21 == 9) || a12 + 43 <= 0) || 11 < a12) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(a24 == 1) || (!(a21 == 9) || a12 + 43 <= 0) || 11 < a12) || !(a15 == 5) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.71 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 914.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 914.6 MB in the beginning and 1.2 GB in the end (delta: -236.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 293432.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 455.2 MB. Max. memory is 11.5 GB. * CodeCheck took 68280.99 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.9 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. * Witness Printer took 108.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...