./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06_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_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/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 cedd4be5c783220986647beb9a6f0a386eea1980 .................................................................................................................................................................................................................................................... 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 10:33:38,998 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:33:38,999 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:33:39,005 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:33:39,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:33:39,006 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:33:39,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:33:39,008 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:33:39,009 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:33:39,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:33:39,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:33:39,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:33:39,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:33:39,011 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:33:39,012 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:33:39,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:33:39,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:33:39,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:33:39,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:33:39,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:33:39,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:33:39,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:33:39,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:33:39,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:33:39,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:33:39,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:33:39,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:33:39,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:33:39,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:33:39,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:33:39,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:33:39,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:33:39,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:33:39,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:33:39,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:33:39,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:33:39,024 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:33:39,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:33:39,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:33:39,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:33:39,035 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:33:39,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:33:39,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:33:39,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:33:39,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:33:39,036 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:33:39,036 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:33:39,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:33:39,037 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:33:39,038 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:33:39,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:33:39,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:33:39,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:33:39,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:33:39,038 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:33:39,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:33:39,039 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:33:39,039 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:33:39,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:33:39,039 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_632e7815-9ae9-4f30-84e3-7a4e47465850/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 -> cedd4be5c783220986647beb9a6f0a386eea1980 [2018-11-10 10:33:39,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:33:39,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:33:39,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:33:39,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:33:39,076 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:33:39,076 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.c [2018-11-10 10:33:39,120 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/data/addaa390e/6eb54d65035f415aa4bf46879c965fca/FLAGec8e7bce4 [2018-11-10 10:33:39,470 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:33:39,471 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.c [2018-11-10 10:33:39,480 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/data/addaa390e/6eb54d65035f415aa4bf46879c965fca/FLAGec8e7bce4 [2018-11-10 10:33:39,491 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/data/addaa390e/6eb54d65035f415aa4bf46879c965fca [2018-11-10 10:33:39,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:33:39,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:33:39,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:33:39,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:33:39,499 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:33:39,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6013d2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39, skipping insertion in model container [2018-11-10 10:33:39,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:33:39,544 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:33:39,766 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:33:39,769 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:33:39,834 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:33:39,845 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:33:39,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39 WrapperNode [2018-11-10 10:33:39,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:33:39,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:33:39,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:33:39,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:33:39,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:33:39,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:33:39,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:33:39,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:33:39,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:39,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... [2018-11-10 10:33:40,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:33:40,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:33:40,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:33:40,001 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:33:40,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/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 10:33:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:33:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:33:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:34:23,454 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:34:23,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:34:23 BoogieIcfgContainer [2018-11-10 10:34:23,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:34:23,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:34:23,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:34:23,462 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:34:23,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:34:23" (1/1) ... [2018-11-10 10:34:23,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:34:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 10:34:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 10:34:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:34:23,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:23,660 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 10:34:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 10:34:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 10:34:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:34:23,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:24,013 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 10:34:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-10 10:34:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-10 10:34:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:34:34,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:34,622 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 10:34:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-10 10:34:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-10 10:34:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:34:35,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:36,162 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 10:34:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-10 10:34:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-10 10:34:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:34:36,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:36,399 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 10:34:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-10 10:34:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-10 10:34:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:34:36,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:36,892 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 10:34:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-11-10 10:34:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-11-10 10:34:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 10:34:37,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-11-10 10:34:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-11-10 10:34:49,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:34:49,416 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 10:34:49,423 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:34:49,597 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 10:34:49,605 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 10:34:49,605 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:34:49,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:34:49 ImpRootNode [2018-11-10 10:34:49,606 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:34:49,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:34:49,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:34:49,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:34:49,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:34:23" (3/4) ... [2018-11-10 10:34:49,610 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:34:49,623 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-10 10:34:49,624 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 10:34:49,625 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 10:34:49,626 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:34:49,710 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_632e7815-9ae9-4f30-84e3-7a4e47465850/bin-2019/ukojak/witness.graphml [2018-11-10 10:34:49,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:34:49,711 INFO L168 Benchmark]: Toolchain (without parser) took 70216.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 406.8 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -259.6 MB). Peak memory consumption was 147.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,711 INFO L168 Benchmark]: CDTParser took 0.13 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 10:34:49,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -206.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,712 INFO L168 Benchmark]: Boogie Preprocessor took 49.63 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,712 INFO L168 Benchmark]: RCFGBuilder took 43453.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -154.5 MB). Peak memory consumption was 505.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,713 INFO L168 Benchmark]: CodeCheck took 26150.71 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 80.7 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 35.2 MB). Peak memory consumption was 115.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,713 INFO L168 Benchmark]: Witness Printer took 103.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:49,715 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, 25.9s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 892 SDtfs, 2084 SDslu, 2032 SDs, 0 SdLazy, 3888 SolverSat, 546 SolverUnsat, 66 SolverUnknown, 0 SolverNotchecked, 76.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1095 GetRequests, 937 SyntacticMatches, 58 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5426 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 22685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/116 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: 76]: 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: ((a19 == 7 || 9 <= a19 || a19 == 8) || a10 == 0 || a10 == 4) || a10 == 3 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((a10 == 3 || a19 == 8) || a19 == 7 || 9 <= a19) || a10 == 0) || a10 == 4 - 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 0.13 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 349.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.6 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 105.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -206.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.63 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 43453.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -154.5 MB). Peak memory consumption was 505.4 MB. Max. memory is 11.5 GB. * CodeCheck took 26150.71 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 80.7 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 35.2 MB). Peak memory consumption was 115.9 MB. Max. memory is 11.5 GB. * Witness Printer took 103.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...