./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_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_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 ........................................................................................................................................................................................................................................................ 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 12:36:47,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:36:47,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:36:47,957 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:36:47,957 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:36:47,958 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:36:47,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:36:47,960 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:36:47,961 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:36:47,962 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:36:47,962 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:36:47,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:36:47,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:36:47,964 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:36:47,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:36:47,965 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:36:47,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:36:47,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:36:47,968 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:36:47,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:36:47,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:36:47,971 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:36:47,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:36:47,973 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:36:47,973 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:36:47,974 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:36:47,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:36:47,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:36:47,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:36:47,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:36:47,977 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:36:47,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:36:47,977 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:36:47,977 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:36:47,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:36:47,978 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:36:47,979 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:36:47,989 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:36:47,989 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:36:47,990 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:36:47,990 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:36:47,990 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:36:47,990 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:36:47,990 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:36:47,991 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:36:47,992 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:36:47,992 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:36:47,992 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:36:47,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:36:47,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:36:47,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:36:47,992 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:36:47,993 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:36:47,993 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:36:47,993 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:36:47,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:36:47,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:36:47,993 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_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-11-10 12:36:48,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:36:48,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:36:48,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:36:48,030 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:36:48,030 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:36:48,031 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-10 12:36:48,070 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/data/5151ad755/f186aef7076744afa6d9bb14927461ac/FLAG694cb08d1 [2018-11-10 12:36:48,435 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:36:48,436 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-10 12:36:48,446 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/data/5151ad755/f186aef7076744afa6d9bb14927461ac/FLAG694cb08d1 [2018-11-10 12:36:48,458 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/data/5151ad755/f186aef7076744afa6d9bb14927461ac [2018-11-10 12:36:48,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:36:48,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:36:48,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:36:48,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:36:48,466 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:36:48,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:48,468 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 12:36:48, skipping insertion in model container [2018-11-10 12:36:48,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:48,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:36:48,517 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:36:48,765 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:36:48,769 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:36:48,854 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:36:48,867 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:36:48,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48 WrapperNode [2018-11-10 12:36:48,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:36:48,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:36:48,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:36:48,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:36:48,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:48,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:48,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:36:48,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:36:48,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:36:48,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:36:48,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:48,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:49,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:49,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:49,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:49,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:49,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... [2018-11-10 12:36:49,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:36:49,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:36:49,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:36:49,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:36:49,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:36:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/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 12:36:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:36:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:36:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:43:14,412 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:43:14,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:43:14 BoogieIcfgContainer [2018-11-10 12:43:14,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:43:14,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:43:14,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:43:14,422 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:43:14,422 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:43:14" (1/1) ... [2018-11-10 12:43:14,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:43:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:43:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:43:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:43:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:43:14,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:43:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:43:14,637 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 12:43:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:43:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:43:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:43:14,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:43:14,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:43:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:43:15,210 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 12:43:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:43:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-10 12:43:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-10 12:43:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:43:15,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:43:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:43:16,176 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 12:43:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:43:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-10 12:43:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-10 12:43:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:43:26,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:43:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:43:27,398 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 12:44:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-10 12:44:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-10 12:44:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:44:08,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:10,155 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 34 [2018-11-10 12:44:10,324 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 12:44:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-11-10 12:44:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-11-10 12:44:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:44:41,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:42,622 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 12:44:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2018-11-10 12:44:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2018-11-10 12:44:43,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:44:43,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:44,582 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 17 [2018-11-10 12:44:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2018-11-10 12:44:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2018-11-10 12:44:45,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:44:45,593 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 12:44:45,599 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:44:45,828 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 59 [2018-11-10 12:44:45,978 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-10 12:44:46,103 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2018-11-10 12:44:46,195 INFO L582 CodeCheckObserver]: Invariant with dag size 36 [2018-11-10 12:44:46,205 INFO L582 CodeCheckObserver]: Invariant with dag size 70 [2018-11-10 12:44:46,207 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:44:46,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:44:46 ImpRootNode [2018-11-10 12:44:46,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:44:46,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:44:46,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:44:46,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:44:46,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:43:14" (3/4) ... [2018-11-10 12:44:46,214 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:44:46,228 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 12:44:46,229 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 12:44:46,231 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 12:44:46,334 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3ce7869-6bc4-4604-ac6f-438cfbbb28a3/bin-2019/ukojak/witness.graphml [2018-11-10 12:44:46,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:44:46,335 INFO L168 Benchmark]: Toolchain (without parser) took 477873.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 450.4 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -272.0 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,336 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 12:44:46,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.91 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -232.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,337 INFO L168 Benchmark]: Boogie Preprocessor took 50.89 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,337 INFO L168 Benchmark]: RCFGBuilder took 385368.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 804.4 MB in the end (delta: 336.1 MB). Peak memory consumption was 455.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,337 INFO L168 Benchmark]: CodeCheck took 91794.62 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 217.6 MB). Free memory was 804.4 MB in the beginning and 1.2 GB in the end (delta: -443.2 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,337 INFO L168 Benchmark]: Witness Printer took 126.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:46,341 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, 91.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 896 SDtfs, 2256 SDslu, 2048 SDs, 0 SdLazy, 4468 SolverSat, 780 SolverUnsat, 120 SolverUnknown, 0 SolverNotchecked, 303.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 1080 SyntacticMatches, 80 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14830 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 77195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/206 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: 112]: 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 == 7 && (12 <= a12 || a12 + 43 <= 0)) || ((!(a21 == 6) || !(a24 == 1)) && !(a21 == 7))) || (a12 <= 520562 && (!(a24 == 1) || !(a21 == 7)))) || ((!(a15 == 9) || a21 == 7) && (a21 == 6 || !(a15 == 7))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((!((a21 == 8 || a21 == 7) || a12 <= 11) && (((!(a15 == 9) || !(a21 == 6)) || !(a24 == 1)) || a12 <= 95442)) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || ((!(a24 == 1) || !(a21 == 7)) && a12 <= 11)) || (((a12 + 43 <= 0 || 11 < a12) && ((a21 == 8 || a21 == 7) || a12 <= 11)) && !(((a21 == 10 || a21 == 7) && !(a15 == 7)) || a15 == 5))) || (a12 <= 520562 && !(((!(a15 == 9) || !(a21 == 6)) || !(a24 == 1)) || a12 <= 95442))) || (!((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0) && (((a21 == 10 || a21 == 7) && !(a15 == 7)) || a15 == 5)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 405.91 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 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 124.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -232.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.89 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 385368.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 804.4 MB in the end (delta: 336.1 MB). Peak memory consumption was 455.7 MB. Max. memory is 11.5 GB. * CodeCheck took 91794.62 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 217.6 MB). Free memory was 804.4 MB in the beginning and 1.2 GB in the end (delta: -443.2 MB). Peak memory consumption was 93.5 MB. Max. memory is 11.5 GB. * Witness Printer took 126.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...