./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label04_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_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/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 e4f93eb95cdae688384271d92bae052385a66833 ............................................................................................................................................................................................................................................................................................. 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 12:18:57,711 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:18:57,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:18:57,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:18:57,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:18:57,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:18:57,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:18:57,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:18:57,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:18:57,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:18:57,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:18:57,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:18:57,729 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:18:57,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:18:57,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:18:57,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:18:57,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:18:57,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:18:57,734 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:18:57,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:18:57,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:18:57,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:18:57,739 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:18:57,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:18:57,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:18:57,740 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:18:57,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:18:57,741 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:18:57,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:18:57,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:18:57,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:18:57,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:18:57,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:18:57,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:18:57,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:18:57,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:18:57,745 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:18:57,754 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:18:57,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:18:57,755 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:18:57,755 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:18:57,755 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:18:57,755 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:18:57,756 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:18:57,756 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:18:57,756 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:18:57,756 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:18:57,756 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:18:57,756 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:18:57,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:18:57,757 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:18:57,757 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:18:57,757 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:18:57,757 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:18:57,757 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:18:57,757 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:18:57,758 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:18:57,758 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:18:57,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:18:57,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:18:57,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:18:57,760 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:18:57,760 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:18:57,760 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:18:57,760 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:18:57,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:18:57,761 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_f2826dbe-646d-4bc7-a5e8-e4992f914b27/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 -> e4f93eb95cdae688384271d92bae052385a66833 [2018-11-18 12:18:57,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:18:57,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:18:57,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:18:57,798 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:18:57,798 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:18:57,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label04_true-unreach-call_false-termination.c [2018-11-18 12:18:57,851 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/data/3f6331ea0/61c4900bc8c248d7941e72de1bd64394/FLAG4e7f0cb28 [2018-11-18 12:18:58,272 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:18:58,272 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/sv-benchmarks/c/eca-rers2012/Problem14_label04_true-unreach-call_false-termination.c [2018-11-18 12:18:58,284 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/data/3f6331ea0/61c4900bc8c248d7941e72de1bd64394/FLAG4e7f0cb28 [2018-11-18 12:18:58,302 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/data/3f6331ea0/61c4900bc8c248d7941e72de1bd64394 [2018-11-18 12:18:58,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:18:58,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:18:58,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:18:58,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:18:58,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:18:58,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5531fc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58, skipping insertion in model container [2018-11-18 12:18:58,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:18:58,377 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:18:58,663 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:18:58,667 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:18:58,752 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:18:58,765 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:18:58,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58 WrapperNode [2018-11-18 12:18:58,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:18:58,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:18:58,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:18:58,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:18:58,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:18:58,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:18:58,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:18:58,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:18:58,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:58,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:59,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:59,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... [2018-11-18 12:18:59,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:18:59,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:18:59,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:18:59,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:18:59,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/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 12:18:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:18:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:18:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:23:19,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:23:19,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:19 BoogieIcfgContainer [2018-11-18 12:23:19,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:23:19,747 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:23:19,747 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:23:19,756 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:23:19,756 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:19" (1/1) ... [2018-11-18 12:23:19,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 12:23:19,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 12:23:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 12:23:19,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:20,084 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 12:23:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 12:23:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 12:23:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:23:20,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:20,917 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 19 [2018-11-18 12:23:20,957 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 12:23:21,510 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-18 12:23:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:21,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-18 12:23:21,841 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-18 12:23:21,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:23:21,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:22,986 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 16 [2018-11-18 12:23:23,147 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 32 [2018-11-18 12:23:23,491 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 12:23:23,678 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 12:23:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-18 12:23:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-18 12:23:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:23:54,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:55,598 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 12:23:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-18 12:23:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-18 12:23:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:23:56,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:58,369 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2018-11-18 12:23:58,899 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 48 [2018-11-18 12:23:59,281 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2018-11-18 12:23:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:24:00,735 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2018-11-18 12:24:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2018-11-18 12:24:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2018-11-18 12:24:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:24:21,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:24:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-11-18 12:24:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-11-18 12:24:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:24:23,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:24:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:24:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-11-18 12:24:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-11-18 12:24:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:24:25,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:24:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:24:27,747 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 29 [2018-11-18 12:24:28,373 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 40 [2018-11-18 12:24:29,590 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 44 [2018-11-18 12:24:30,585 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 42 [2018-11-18 12:24:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:25:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2018-11-18 12:25:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2018-11-18 12:25:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:25:10,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:25:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:12,872 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 52 [2018-11-18 12:25:13,243 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 49 [2018-11-18 12:25:13,866 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 77 [2018-11-18 12:25:14,206 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 63 [2018-11-18 12:25:14,797 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 64 [2018-11-18 12:25:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:18,110 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2018-11-18 12:25:18,338 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2018-11-18 12:25:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:25:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 70 states and 157 transitions. [2018-11-18 12:25:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 157 transitions. [2018-11-18 12:25:39,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:25:39,890 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 12:25:39,899 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:25:40,327 WARN L180 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2018-11-18 12:25:40,587 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 70 [2018-11-18 12:25:40,850 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 70 [2018-11-18 12:25:41,345 WARN L180 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 84 [2018-11-18 12:25:41,608 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 70 [2018-11-18 12:25:41,608 INFO L579 CodeCheckObserver]: Invariant with dag size 70 [2018-11-18 12:25:41,620 INFO L579 CodeCheckObserver]: Invariant with dag size 84 [2018-11-18 12:25:41,623 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:25:41,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:25:41 ImpRootNode [2018-11-18 12:25:41,630 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:25:41,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:25:41,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:25:41,631 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:25:41,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:19" (3/4) ... [2018-11-18 12:25:41,633 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:25:41,647 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 12:25:41,648 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:25:41,649 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:25:41,650 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:25:41,783 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2826dbe-646d-4bc7-a5e8-e4992f914b27/bin-2019/ukojak/witness.graphml [2018-11-18 12:25:41,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:25:41,784 INFO L168 Benchmark]: Toolchain (without parser) took 403467.81 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 954.3 MB in the beginning and 1.8 GB in the end (delta: -801.5 MB). Peak memory consumption was 203.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,784 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 12:25:41,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 916.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 916.7 MB in the beginning and 1.1 GB in the end (delta: -213.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,785 INFO L168 Benchmark]: Boogie Preprocessor took 96.63 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,785 INFO L168 Benchmark]: RCFGBuilder took 260717.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.4 MB). Peak memory consumption was 570.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,787 INFO L168 Benchmark]: CodeCheck took 141883.37 ms. Allocated memory was 1.3 GB in the beginning and 2.0 GB in the end (delta: 711.5 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -639.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,788 INFO L168 Benchmark]: Witness Printer took 152.67 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:41,790 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, 140.1s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3784 SDtfs, 9176 SDslu, 8992 SDs, 0 SdLazy, 19240 SolverSat, 3268 SolverUnsat, 464 SolverUnknown, 0 SolverNotchecked, 410.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1731 GetRequests, 1440 SyntacticMatches, 95 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24164 ImplicationChecksByTransitivity, 22.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 134380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/227 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: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((!((a21 == 6 || (a12 <= 225870 && a21 == 10)) || a12 <= 11) && (((a12 <= 599997 && a21 == 10) || (a12 + 265866) / 299978 <= 1) || !(a15 == 8))) || (a21 == 7 && !(0 <= a12 + 49 && a12 + 49 <= 0))) || ((a15 == 5 || a12 + 49 <= 0) && 216291 <= a12)) || (a12 <= 599997 && a21 == 8)) || (a24 == 1 && a21 == 7)) || (!(a15 == 8) && a21 == 7)) || (!(a15 == 5 || a12 + 49 <= 0) && ((a21 == 6 || (a12 <= 225870 && a21 == 10)) || a12 <= 11))) || ((((!(a21 == 9) && !(a21 == 8)) && !(a24 == 1 && a15 == 5)) && !(a21 == 7)) && !(a21 == 10))) || ((((!(a21 == 6) || a12 + 43 <= 0) || 11 < a12) && !(216291 <= a12)) && !(a21 == 7)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((!(a15 == 5) && !(a15 == 8)) || (a15 == 5 && a12 + 49 <= 0)) || (!(a15 == 8) && !(a24 == 1))) || (!(((a21 == 6 || ((165879 <= a12 && a12 <= 225870) && a21 == 10)) || a21 == 7) || a12 <= 11) && ((a12 <= 599997 && a21 == 10) || (a12 + 265866) / 299978 <= 1))) || (a12 + 43 <= 0 && !(0 <= a12 + 49 && a12 + 49 <= 0))) || ((!(a21 == 7 && a12 + 43 <= 0) && (a12 + 43 <= 0 || a15 == 5)) && (!(a21 == 6) || 11 < a12))) || (((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a24 == 1) && a12 + 49 <= 0)) || (((!(a21 == 9) && !(a21 == 8)) && !(a21 == 7 || !(a15 == 8))) && !(a21 == 10))) || (a12 <= 599997 && a21 == 8)) || ((!(a15 == 5) && !(a12 + 49 <= 0)) && (((a21 == 6 || ((165879 <= a12 && a12 <= 225870) && a21 == 10)) || a21 == 7) || a12 <= 11)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 916.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 916.7 MB in the beginning and 1.1 GB in the end (delta: -213.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.63 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 260717.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.4 MB). Peak memory consumption was 570.9 MB. Max. memory is 11.5 GB. * CodeCheck took 141883.37 ms. Allocated memory was 1.3 GB in the beginning and 2.0 GB in the end (delta: 711.5 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -639.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 152.67 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...