./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/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_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/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 0.1.23-5842f4b [2018-11-18 13:48:59,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:48:59,943 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:48:59,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:48:59,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:48:59,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:48:59,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:48:59,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:48:59,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:48:59,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:48:59,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:48:59,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:48:59,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:48:59,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:48:59,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:48:59,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:48:59,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:48:59,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:48:59,962 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:48:59,963 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:48:59,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:48:59,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:48:59,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:48:59,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:48:59,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:48:59,966 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:48:59,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:48:59,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:48:59,968 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:48:59,969 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:48:59,969 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:48:59,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:48:59,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:48:59,970 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:48:59,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:48:59,971 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:48:59,971 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:48:59,980 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:48:59,981 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:48:59,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:48:59,981 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:48:59,982 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:48:59,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:48:59,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:48:59,982 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:48:59,982 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:48:59,983 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:48:59,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:48:59,984 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:48:59,984 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:48:59,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:48:59,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:48:59,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:48:59,984 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:48:59,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:48:59,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:48:59,985 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:48:59,985 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:48:59,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:48:59,985 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_db5b561e-20ba-4a13-b025-973bf517abb1/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 [2018-11-18 13:49:00,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:49:00,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:49:00,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:49:00,021 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:49:00,021 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:49:00,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-11-18 13:49:00,064 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/data/38ac2a6a6/f494eb1c60ed43449d8d91d8a32b0d37/FLAG5de31946e [2018-11-18 13:49:00,454 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:49:00,455 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-11-18 13:49:00,464 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/data/38ac2a6a6/f494eb1c60ed43449d8d91d8a32b0d37/FLAG5de31946e [2018-11-18 13:49:00,474 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/data/38ac2a6a6/f494eb1c60ed43449d8d91d8a32b0d37 [2018-11-18 13:49:00,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:49:00,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:49:00,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:49:00,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:49:00,480 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:49:00,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:00,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00, skipping insertion in model container [2018-11-18 13:49:00,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:00,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:49:00,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:49:00,780 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:49:00,783 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:49:00,864 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:49:00,873 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:49:00,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00 WrapperNode [2018-11-18 13:49:00,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:49:00,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:49:00,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:49:00,874 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:49:00,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:00,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:00,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:49:00,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:49:00,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:49:00,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:49:00,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:00,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:01,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:01,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:01,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:01,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:01,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... [2018-11-18 13:49:01,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:49:01,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:49:01,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:49:01,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:49:01,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/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 13:49:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:49:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:49:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:52:13,460 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:52:13,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:52:13 BoogieIcfgContainer [2018-11-18 13:52:13,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:52:13,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:52:13,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:52:13,469 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:52:13,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:52:13" (1/1) ... [2018-11-18 13:52:13,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:52:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 13:52:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 13:52:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:52:13,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:13,684 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 13:52:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 13:52:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 13:52:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:52:13,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:14,089 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 13:52:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 13:52:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 13:52:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:52:14,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:15,105 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 13:52:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-18 13:52:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-18 13:52:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:52:15,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:16,326 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 13:52:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:17,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-11-18 13:52:17,149 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-11-18 13:52:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:52:17,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:18,108 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 31 [2018-11-18 13:52:18,746 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 13:52:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 103 transitions. [2018-11-18 13:52:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2018-11-18 13:52:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:52:31,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:31,825 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 13:52:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 112 transitions. [2018-11-18 13:52:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2018-11-18 13:52:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:52:42,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:42,796 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 13:52:43,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2018-11-18 13:52:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2018-11-18 13:52:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:52:43,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:45,131 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2018-11-18 13:52:45,568 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2018-11-18 13:52:45,597 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 13:52:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 67 states and 121 transitions. [2018-11-18 13:52:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 121 transitions. [2018-11-18 13:52:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:52:46,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:52:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:52:47,702 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 13:52:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:52:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 63 states and 119 transitions. [2018-11-18 13:52:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2018-11-18 13:52:59,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:52:59,138 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 13:52:59,144 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:52:59,249 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 27 [2018-11-18 13:52:59,601 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-18 13:52:59,609 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-18 13:52:59,609 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:52:59,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:52:59 ImpRootNode [2018-11-18 13:52:59,610 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:52:59,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:52:59,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:52:59,610 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:52:59,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:52:13" (3/4) ... [2018-11-18 13:52:59,614 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:52:59,630 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 13:52:59,632 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 13:52:59,633 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:52:59,634 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:52:59,731 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db5b561e-20ba-4a13-b025-973bf517abb1/bin-2019/ukojak/witness.graphml [2018-11-18 13:52:59,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:52:59,732 INFO L168 Benchmark]: Toolchain (without parser) took 239255.48 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 654.8 MB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -350.4 MB). Peak memory consumption was 304.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,732 INFO L168 Benchmark]: CDTParser took 0.14 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 13:52:59,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -243.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,733 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,734 INFO L168 Benchmark]: RCFGBuilder took 192419.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -40.8 MB). Peak memory consumption was 567.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,735 INFO L168 Benchmark]: CodeCheck took 46148.78 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 287.8 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -142.6 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,735 INFO L168 Benchmark]: Witness Printer took 121.19 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:52:59,737 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, 45.6s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3948 SDtfs, 10446 SDslu, 9648 SDs, 0 SdLazy, 23440 SolverSat, 3256 SolverUnsat, 50 SolverUnknown, 0 SolverNotchecked, 112.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1683 GetRequests, 1423 SyntacticMatches, 80 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20543 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 79230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/203 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: (a21 == 7 || ((((81 <= a12 || !(a15 == 7)) || a21 == 10) || a21 == 8) || a12 <= 11) || a21 == 9) || (!(a24 == 2) && !(a21 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a24 == 2) && !(a21 == 6)) || (((((!(a15 == 7) || a21 == 10) || a21 == 8) || a21 == 7) || a12 <= 11) || 80 < a12) || a21 == 9 - 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 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 114.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -243.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 192419.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -40.8 MB). Peak memory consumption was 567.9 MB. Max. memory is 11.5 GB. * CodeCheck took 46148.78 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 287.8 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -142.6 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. * Witness Printer took 121.19 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...