./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/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 168e56dc33faa87b4447fd40c5b549bf70322446 ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:31:15,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:31:15,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:31:15,957 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:31:15,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:31:15,958 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:31:15,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:31:15,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:31:15,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:31:15,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:31:15,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:31:15,961 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:31:15,962 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:31:15,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:31:15,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:31:15,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:31:15,963 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:31:15,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:31:15,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:31:15,966 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:31:15,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:31:15,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:31:15,969 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:31:15,969 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:31:15,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:31:15,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:31:15,970 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:31:15,971 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:31:15,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:31:15,971 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:31:15,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:31:15,972 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:31:15,972 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:31:15,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:31:15,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:31:15,973 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:31:15,973 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:31:15,981 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:31:15,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:31:15,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:31:15,982 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:31:15,983 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:31:15,983 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:31:15,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:31:15,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:31:15,985 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:31:15,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:31:15,985 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:31:15,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:31:15,985 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:31:15,985 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:31:15,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:31:15,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:31:15,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:31:15,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:31:15,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:31:15,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:31:15,986 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:31:15,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:31:15,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:31:15,987 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_6972ea33-2a4c-45cb-a377-eca20d2d22a3/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 -> 168e56dc33faa87b4447fd40c5b549bf70322446 [2018-12-01 18:31:16,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:31:16,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:31:16,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:31:16,019 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:31:16,019 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:31:16,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-12-01 18:31:16,054 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/data/773f8f8e3/3c12352d64664282b1483ca962b4914a/FLAG4c3bd29fb [2018-12-01 18:31:16,527 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:31:16,527 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-12-01 18:31:16,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/data/773f8f8e3/3c12352d64664282b1483ca962b4914a/FLAG4c3bd29fb [2018-12-01 18:31:16,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/data/773f8f8e3/3c12352d64664282b1483ca962b4914a [2018-12-01 18:31:16,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:31:16,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:31:16,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:31:16,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:31:16,551 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:31:16,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16, skipping insertion in model container [2018-12-01 18:31:16,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:31:16,598 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:31:16,813 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:31:16,816 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:31:16,922 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:31:16,931 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:31:16,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16 WrapperNode [2018-12-01 18:31:16,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:31:16,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:31:16,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:31:16,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:31:16,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:31:16,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:31:16,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:31:16,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:31:16,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:16,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:17,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:17,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:17,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... [2018-12-01 18:31:17,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:31:17,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:31:17,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:31:17,023 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:31:17,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/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 [2018-12-01 18:31:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:31:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:37:13,527 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:37:13,527 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 18:37:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:37:13 BoogieIcfgContainer [2018-12-01 18:37:13,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:37:13,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:37:13,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:37:13,534 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:37:13,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:37:13" (1/1) ... [2018-12-01 18:37:13,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:37:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:37:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 18:37:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 18:37:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:37:13,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:37:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:37:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:37:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:37:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 18:37:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 18:37:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 18:37:13,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:37:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:37:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:37:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:37:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-01 18:37:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-01 18:37:14,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:37:14,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:37:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:37:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:37:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:37:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2018-12-01 18:37:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2018-12-01 18:37:25,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:37:25,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:37:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:37:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:37:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:37:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2018-12-01 18:37:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2018-12-01 18:37:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:37:25,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:37:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:37:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:37:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:37:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2018-12-01 18:37:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2018-12-01 18:37:26,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:37:26,578 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-12-01 18:37:26,584 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 18:37:26,741 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-01 18:37:26,747 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-01 18:37:26,747 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:37:26,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:37:26 ImpRootNode [2018-12-01 18:37:26,747 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:37:26,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:37:26,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:37:26,748 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:37:26,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:37:13" (3/4) ... [2018-12-01 18:37:26,750 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:37:26,761 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-01 18:37:26,762 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 18:37:26,763 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 18:37:26,764 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:37:26,831 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6972ea33-2a4c-45cb-a377-eca20d2d22a3/bin-2019/ukojak/witness.graphml [2018-12-01 18:37:26,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:37:26,832 INFO L168 Benchmark]: Toolchain (without parser) took 370285.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 950.6 MB in the beginning and 789.6 MB in the end (delta: 161.0 MB). Peak memory consumption was 386.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,833 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:37:26,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.54 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,834 INFO L168 Benchmark]: Boogie Preprocessor took 40.90 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,834 INFO L168 Benchmark]: RCFGBuilder took 356504.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 202.0 MB). Peak memory consumption was 495.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,834 INFO L168 Benchmark]: CodeCheck took 13220.03 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -3.7 MB). Free memory was 903.2 MB in the beginning and 813.3 MB in the end (delta: 89.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,835 INFO L168 Benchmark]: Witness Printer took 83.89 ms. Allocated memory is still 1.3 GB. Free memory was 813.3 MB in the beginning and 789.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:37:26,836 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, 245 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 188 SDtfs, 368 SDslu, 248 SDs, 0 SdLazy, 1158 SolverSat, 182 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 30.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 451 SyntacticMatches, 22 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3178 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 10116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/44 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: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((a12 <= 80 || a15 == 7) || 8 == a15) || 5 == a15) || (!(a15 == 6) && (a24 == 1 || a15 == 9))) || !(a21 == 10) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a15 == 5 || ((a12 <= 80 || a15 == 9) || (a24 == 1 && !(a15 == 6))) || !(a21 == 10)) || a15 == 7 || 8 == a15 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.54 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.90 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 356504.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 202.0 MB). Peak memory consumption was 495.7 MB. Max. memory is 11.5 GB. * CodeCheck took 13220.03 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -3.7 MB). Free memory was 903.2 MB in the beginning and 813.3 MB in the end (delta: 89.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 11.5 GB. * Witness Printer took 83.89 ms. Allocated memory is still 1.3 GB. Free memory was 813.3 MB in the beginning and 789.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...