./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_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_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/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 4c182367b65c6b1e0e799235f4eaa75d3c91be5a ....................................................................................................................................................................................................................................... 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 17:22:31,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:22:31,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:22:31,865 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:22:31,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:22:31,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:22:31,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:22:31,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:22:31,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:22:31,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:22:31,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:22:31,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:22:31,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:22:31,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:22:31,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:22:31,873 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:22:31,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:22:31,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:22:31,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:22:31,877 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:22:31,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:22:31,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:22:31,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:22:31,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:22:31,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:22:31,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:22:31,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:22:31,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:22:31,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:22:31,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:22:31,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:22:31,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:22:31,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:22:31,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:22:31,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:22:31,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:22:31,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:22:31,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:22:31,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:22:31,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:22:31,895 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:22:31,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:22:31,896 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:22:31,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:22:31,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:22:31,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:22:31,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:22:31,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:22:31,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:22:31,898 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:22:31,898 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:22:31,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:22:31,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:22:31,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:22:31,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:22:31,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:22:31,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:22:31,899 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:22:31,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:22:31,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:22:31,899 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_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/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 -> 4c182367b65c6b1e0e799235f4eaa75d3c91be5a [2018-11-18 17:22:31,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:22:31,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:22:31,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:22:31,933 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:22:31,933 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:22:31,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-11-18 17:22:31,970 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/data/91c46dc8f/332a7b2b47a543ae80172e5be77733eb/FLAG89c2771d0 [2018-11-18 17:22:32,429 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:22:32,429 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-11-18 17:22:32,439 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/data/91c46dc8f/332a7b2b47a543ae80172e5be77733eb/FLAG89c2771d0 [2018-11-18 17:22:32,451 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/data/91c46dc8f/332a7b2b47a543ae80172e5be77733eb [2018-11-18 17:22:32,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:22:32,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:22:32,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:22:32,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:22:32,459 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:22:32,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32, skipping insertion in model container [2018-11-18 17:22:32,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:22:32,506 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:22:32,746 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:22:32,749 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:22:32,838 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:22:32,906 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:22:32,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32 WrapperNode [2018-11-18 17:22:32,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:22:32,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:22:32,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:22:32,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:22:32,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:22:32,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:22:32,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:22:32,978 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:22:32,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:32,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:33,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:33,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:33,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... [2018-11-18 17:22:33,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:22:33,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:22:33,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:22:33,036 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:22:33,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/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 17:22:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:22:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:22:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:26:06,497 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:26:06,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:26:06 BoogieIcfgContainer [2018-11-18 17:26:06,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:26:06,498 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:26:06,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:26:06,504 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:26:06,504 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:26:06" (1/1) ... [2018-11-18 17:26:06,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:26:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:26:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 17:26:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 17:26:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:26:06,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:26:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:26:06,689 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 17:26:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:26:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 17:26:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 17:26:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:26:06,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:26:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:26:07,103 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 17:26:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:26:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-18 17:26:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-18 17:26:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:26:07,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:26:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:26:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:26:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:26:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-18 17:26:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-18 17:26:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:26:18,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:26:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:26:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:26:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:26:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-18 17:26:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-18 17:26:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:26:18,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:26:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:26:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 17:26:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:26:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-11-18 17:26:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-11-18 17:26:19,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:26:19,975 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-18 17:26:19,982 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:26:20,137 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 17:26:20,144 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 17:26:20,145 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:26:20,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:26:20 ImpRootNode [2018-11-18 17:26:20,145 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:26:20,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:26:20,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:26:20,146 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:26:20,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:26:06" (3/4) ... [2018-11-18 17:26:20,148 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:26:20,160 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-18 17:26:20,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 17:26:20,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:26:20,162 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:26:20,310 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc89d34b-1069-4e5c-bc6e-e6bcafa3b68d/bin-2019/ukojak/witness.graphml [2018-11-18 17:26:20,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:26:20,311 INFO L168 Benchmark]: Toolchain (without parser) took 227856.95 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 355.5 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -276.9 MB). Peak memory consumption was 529.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,313 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:26:20,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -209.0 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,313 INFO L168 Benchmark]: Boogie Preprocessor took 58.23 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,314 INFO L168 Benchmark]: RCFGBuilder took 213461.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 539.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,314 INFO L168 Benchmark]: CodeCheck took 13647.42 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -20.4 MB). Free memory was 1.1 GB in the beginning and 767.6 MB in the end (delta: 356.2 MB). Peak memory consumption was 335.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,316 INFO L168 Benchmark]: Witness Printer took 165.47 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 42.5 MB). Free memory was 767.6 MB in the beginning and 1.2 GB in the end (delta: -464.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:20,317 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, 13.4s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 212 SDtfs, 466 SDslu, 464 SDs, 0 SdLazy, 1000 SolverSat, 178 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 31.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 528 SyntacticMatches, 20 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1371 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 10270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 27/57 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: 190]: 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: (0 < a12 + 43 || !(a15 == 6)) || !(a21 == 6) || !(a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a21 == 6) || !(a24 == 1)) || 0 < a12 + 43) || !(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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -209.0 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.23 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213461.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 539.9 MB. Max. memory is 11.5 GB. * CodeCheck took 13647.42 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -20.4 MB). Free memory was 1.1 GB in the beginning and 767.6 MB in the end (delta: 356.2 MB). Peak memory consumption was 335.7 MB. Max. memory is 11.5 GB. * Witness Printer took 165.47 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 42.5 MB). Free memory was 767.6 MB in the beginning and 1.2 GB in the end (delta: -464.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...