./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.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_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/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 dde52c9168444887391772c09fe456cad8792595 .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:23:45,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:23:45,020 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:23:45,026 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:23:45,027 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:23:45,027 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:23:45,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:23:45,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:23:45,029 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:23:45,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:23:45,030 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:23:45,030 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:23:45,031 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:23:45,031 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:23:45,032 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:23:45,032 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:23:45,033 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:23:45,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:23:45,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:23:45,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:23:45,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:23:45,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:23:45,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:23:45,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:23:45,038 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:23:45,039 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:23:45,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:23:45,039 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:23:45,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:23:45,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:23:45,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:23:45,041 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:23:45,041 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:23:45,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:23:45,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:23:45,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:23:45,042 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:23:45,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:23:45,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:23:45,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:23:45,050 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:23:45,050 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:23:45,050 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:23:45,050 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:23:45,050 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:23:45,050 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:23:45,050 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:23:45,051 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:23:45,051 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:23:45,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:23:45,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:23:45,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:23:45,052 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_17dc597c-674f-46d7-971b-4fa8edf6c207/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 -> dde52c9168444887391772c09fe456cad8792595 [2018-12-02 02:23:45,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:23:45,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:23:45,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:23:45,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:23:45,079 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:23:45,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c [2018-12-02 02:23:45,113 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/data/88a501b88/e4243cc8832d46ce809c88f6f8e00ab6/FLAG4f740481a [2018-12-02 02:23:45,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:23:45,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c [2018-12-02 02:23:45,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/data/88a501b88/e4243cc8832d46ce809c88f6f8e00ab6/FLAG4f740481a [2018-12-02 02:23:45,583 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/data/88a501b88/e4243cc8832d46ce809c88f6f8e00ab6 [2018-12-02 02:23:45,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:23:45,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:23:45,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:23:45,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:23:45,589 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:23:45,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:45,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45, skipping insertion in model container [2018-12-02 02:23:45,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:45,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:23:45,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:23:45,855 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:23:45,859 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:23:45,953 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:23:45,962 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:23:45,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45 WrapperNode [2018-12-02 02:23:45,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:23:45,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:23:45,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:23:45,963 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:23:45,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:45,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:23:46,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:23:46,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:23:46,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:23:46,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... [2018-12-02 02:23:46,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:23:46,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:23:46,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:23:46,044 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:23:46,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/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 [2018-12-02 02:23:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:23:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:25:06,716 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:25:06,716 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:25:06,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:25:06 BoogieIcfgContainer [2018-12-02 02:25:06,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:25:06,716 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:25:06,716 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:25:06,723 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:25:06,723 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:25:06" (1/1) ... [2018-12-02 02:25:06,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:25:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 02:25:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 02:25:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 02:25:06,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:25:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 02:25:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 02:25:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 02:25:06,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:25:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-02 02:25:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-02 02:25:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:25:07,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:25:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-12-02 02:25:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-12-02 02:25:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:25:18,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:25:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-12-02 02:25:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-12-02 02:25:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:25:18,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:25:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2018-12-02 02:25:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2018-12-02 02:25:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:25:20,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:25:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:21,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2018-12-02 02:25:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2018-12-02 02:25:21,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 02:25:21,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:25:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2018-12-02 02:25:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2018-12-02 02:25:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 02:25:22,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:25:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-12-02 02:25:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-12-02 02:25:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:25:23,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 02:25:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 97 transitions. [2018-12-02 02:25:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2018-12-02 02:25:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:25:24,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:25:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 02:25:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:25:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2018-12-02 02:25:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2018-12-02 02:25:24,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:25:24,851 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 02:25:24,859 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 02:25:25,005 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-02 02:25:25,012 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-02 02:25:25,012 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:25:25,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:25:25 ImpRootNode [2018-12-02 02:25:25,013 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:25:25,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:25:25,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:25:25,014 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:25:25,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:25:06" (3/4) ... [2018-12-02 02:25:25,017 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:25:25,031 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-02 02:25:25,032 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 02:25:25,033 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 02:25:25,034 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:25:25,123 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_17dc597c-674f-46d7-971b-4fa8edf6c207/bin-2019/ukojak/witness.graphml [2018-12-02 02:25:25,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:25:25,124 INFO L168 Benchmark]: Toolchain (without parser) took 99538.55 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 563.1 MB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -556.1 MB). Peak memory consumption was 712.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,125 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:25:25,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.88 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,125 INFO L168 Benchmark]: Boogie Preprocessor took 35.48 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,126 INFO L168 Benchmark]: RCFGBuilder took 80672.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 157.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -132.5 MB). Peak memory consumption was 487.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,126 INFO L168 Benchmark]: CodeCheck took 18296.70 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 247.5 MB). Free memory was 1.3 GB in the beginning and 805.7 MB in the end (delta: 444.7 MB). Peak memory consumption was 692.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,126 INFO L168 Benchmark]: Witness Printer took 110.13 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 805.7 MB in the beginning and 1.5 GB in the end (delta: -701.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:25,127 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, 206 locations, 1 error locations. SAFE Result, 18.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6048 SDtfs, 12426 SDslu, 8000 SDs, 0 SdLazy, 36810 SolverSat, 4640 SolverUnsat, 256 SolverUnknown, 0 SolverNotchecked, 84.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1712 GetRequests, 1475 SyntacticMatches, 101 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9388 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 31464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 96/247 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: 94]: 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: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 6) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 4))) || ((a1 <= 23 && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((!(a19 == 6) || ((a1 <= 38 || 218 < a1) && 0 < a1 + 13)) || !(a10 == 4))) && a4 == 14 - InvariantResult [Line: 576]: 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.88 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.48 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 80672.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 157.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -132.5 MB). Peak memory consumption was 487.7 MB. Max. memory is 11.5 GB. * CodeCheck took 18296.70 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 247.5 MB). Free memory was 1.3 GB in the beginning and 805.7 MB in the end (delta: 444.7 MB). Peak memory consumption was 692.1 MB. Max. memory is 11.5 GB. * Witness Printer took 110.13 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 805.7 MB in the beginning and 1.5 GB in the end (delta: -701.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...