./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_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_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/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 19252d9b977a1b2caf6b350b292ab440fef944ce ....................................................................................................................................................................................................................................................... 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 12:53:23,669 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:53:23,670 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:53:23,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:53:23,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:53:23,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:53:23,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:53:23,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:53:23,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:53:23,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:53:23,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:53:23,682 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:53:23,683 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:53:23,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:53:23,684 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:53:23,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:53:23,685 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:53:23,686 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:53:23,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:53:23,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:53:23,689 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:53:23,690 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:53:23,692 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:53:23,692 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:53:23,692 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:53:23,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:53:23,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:53:23,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:53:23,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:53:23,695 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:53:23,696 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:53:23,696 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:53:23,696 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:53:23,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:53:23,697 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:53:23,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:53:23,698 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:53:23,707 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:53:23,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:53:23,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:53:23,708 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:53:23,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:53:23,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:53:23,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:53:23,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:53:23,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:53:23,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:53:23,711 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:53:23,711 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:53:23,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:53:23,711 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:53:23,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:53:23,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:53:23,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:53:23,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:53:23,712 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:53:23,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:53:23,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:53:23,712 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_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2018-11-10 12:53:23,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:53:23,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:53:23,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:53:23,744 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:53:23,745 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:53:23,745 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-11-10 12:53:23,783 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/data/78f6345af/030ca3c223c5451f9fa80fa5bf9af2ac/FLAGe6dae5bc2 [2018-11-10 12:53:24,183 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:53:24,184 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-11-10 12:53:24,194 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/data/78f6345af/030ca3c223c5451f9fa80fa5bf9af2ac/FLAGe6dae5bc2 [2018-11-10 12:53:24,204 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/data/78f6345af/030ca3c223c5451f9fa80fa5bf9af2ac [2018-11-10 12:53:24,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:53:24,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:53:24,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:53:24,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:53:24,211 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:53:24,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24, skipping insertion in model container [2018-11-10 12:53:24,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:53:24,257 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:53:24,514 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:53:24,518 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:53:24,602 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:53:24,612 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:53:24,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24 WrapperNode [2018-11-10 12:53:24,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:53:24,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:53:24,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:53:24,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:53:24,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:53:24,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:53:24,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:53:24,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:53:24,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... [2018-11-10 12:53:24,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:53:24,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:53:24,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:53:24,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:53:24,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:53:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/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 12:53:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:53:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:53:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:59:13,633 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:59:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:59:13 BoogieIcfgContainer [2018-11-10 12:59:13,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:59:13,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:59:13,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:59:13,642 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:59:13,642 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:59:13" (1/1) ... [2018-11-10 12:59:13,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:59:13,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:59:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:59:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:59:13,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:13,862 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 12:59:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:59:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:59:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:59:13,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:14,280 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 12:59:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-10 12:59:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-10 12:59:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:59:24,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:25,417 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 12:59:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-11-10 12:59:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-11-10 12:59:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:59:26,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:26,576 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 12:59:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2018-11-10 12:59:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2018-11-10 12:59:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:59:26,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:27,694 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 12:59:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-11-10 12:59:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-11-10 12:59:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:59:38,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:39,050 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 12:59:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-11-10 12:59:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-11-10 12:59:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:59:39,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:40,051 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-11-10 12:59:40,132 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 13:00:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:00:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-10 13:00:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-10 13:00:01,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:00:01,307 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 13:00:01,314 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 13:00:01,526 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 50 [2018-11-10 13:00:01,629 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2018-11-10 13:00:01,735 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 13:00:01,744 INFO L582 CodeCheckObserver]: Invariant with dag size 52 [2018-11-10 13:00:01,746 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:00:01,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:00:01 ImpRootNode [2018-11-10 13:00:01,747 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:00:01,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:00:01,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:00:01,748 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:00:01,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:59:13" (3/4) ... [2018-11-10 13:00:01,752 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:00:01,766 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 13:00:01,767 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 13:00:01,768 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 13:00:01,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 13:00:01,866 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0085fae9-7ef7-4e31-922a-cd3ce753ce4b/bin-2019/ukojak/witness.graphml [2018-11-10 13:00:01,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:00:01,867 INFO L168 Benchmark]: Toolchain (without parser) took 397659.62 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 411.6 MB). Free memory was 957.5 MB in the beginning and 873.5 MB in the end (delta: 84.0 MB). Peak memory consumption was 495.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,868 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:00:01,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.39 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 914.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 914.6 MB in the beginning and 1.2 GB in the end (delta: -245.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,868 INFO L168 Benchmark]: Boogie Preprocessor took 49.03 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,869 INFO L168 Benchmark]: RCFGBuilder took 348827.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 140.5 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 550.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,869 INFO L168 Benchmark]: CodeCheck took 48113.38 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 904.0 MB in the end (delta: 229.7 MB). Peak memory consumption was 324.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,869 INFO L168 Benchmark]: Witness Printer took 118.86 ms. Allocated memory is still 1.4 GB. Free memory was 904.0 MB in the beginning and 873.5 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:00:01,871 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, 47.6s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 864 SDtfs, 2098 SDslu, 1920 SDs, 0 SdLazy, 4068 SolverSat, 770 SolverUnsat, 76 SolverUnknown, 0 SolverNotchecked, 112.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1013 GetRequests, 847 SyntacticMatches, 70 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6380 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 42500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/130 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: 181]: 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: (a12 <= 11 || 80 < a12) || !(a21 == 6) || !(a15 == 7) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((a15 == 8 || a21 == 10) || a15 == 5) || a21 == 8) || a21 == 7) || a15 == 9) || a15 == 6) && !((((0 <= a12 + 49 && a15 == 8) && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || (!((((((a15 == 8 || a21 == 10) || a15 == 5) || a21 == 8) || a21 == 7) || a15 == 9) || a15 == 6) && (((!(a21 == 6) || !(a15 == 7)) || a12 <= 11) || 80 < a12)) - 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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.39 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 914.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 914.6 MB in the beginning and 1.2 GB in the end (delta: -245.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.03 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 348827.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 140.5 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 550.8 MB. Max. memory is 11.5 GB. * CodeCheck took 48113.38 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 904.0 MB in the end (delta: 229.7 MB). Peak memory consumption was 324.6 MB. Max. memory is 11.5 GB. * Witness Printer took 118.86 ms. Allocated memory is still 1.4 GB. Free memory was 904.0 MB in the beginning and 873.5 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...