./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25_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_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/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 4a6f9eb2e7a9523a59919f10058626623eca86a6 ...................................................................................................................................................................................................................................................... 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 22:31:32,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:31:32,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:31:33,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:31:33,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:31:33,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:31:33,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:31:33,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:31:33,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:31:33,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:31:33,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:31:33,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:31:33,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:31:33,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:31:33,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:31:33,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:31:33,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:31:33,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:31:33,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:31:33,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:31:33,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:31:33,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:31:33,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:31:33,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:31:33,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:31:33,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:31:33,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:31:33,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:31:33,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:31:33,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:31:33,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:31:33,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:31:33,017 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:31:33,017 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:31:33,018 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:31:33,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:31:33,018 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 22:31:33,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:31:33,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:31:33,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:31:33,026 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 22:31:33,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:31:33,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:31:33,027 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:31:33,028 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 22:31:33,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 22:31:33,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 22:31:33,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:31:33,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:31:33,029 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_930d20d4-6768-4c65-83f2-b08f5b928b04/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 -> 4a6f9eb2e7a9523a59919f10058626623eca86a6 [2018-12-02 22:31:33,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:31:33,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:31:33,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:31:33,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:31:33,055 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:31:33,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.c [2018-12-02 22:31:33,089 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/data/657e525cd/3fb9264e8e004e24b894db4168ec9914/FLAG979d95dd1 [2018-12-02 22:31:33,424 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:31:33,425 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.c [2018-12-02 22:31:33,432 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/data/657e525cd/3fb9264e8e004e24b894db4168ec9914/FLAG979d95dd1 [2018-12-02 22:31:33,813 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/data/657e525cd/3fb9264e8e004e24b894db4168ec9914 [2018-12-02 22:31:33,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:31:33,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:31:33,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:31:33,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:31:33,819 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:31:33,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:31:33" (1/1) ... [2018-12-02 22:31:33,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:33, skipping insertion in model container [2018-12-02 22:31:33,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:31:33" (1/1) ... [2018-12-02 22:31:33,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:31:33,863 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:31:34,084 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:31:34,087 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:31:34,191 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:31:34,201 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:31:34,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34 WrapperNode [2018-12-02 22:31:34,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:31:34,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:31:34,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:31:34,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:31:34,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:31:34,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:31:34,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:31:34,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:31:34,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... [2018-12-02 22:31:34,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:31:34,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:31:34,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:31:34,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:31:34,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:31:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/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 22:31:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:31:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:37:05,098 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:37:05,098 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 22:37:05,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:05 BoogieIcfgContainer [2018-12-02 22:37:05,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:37:05,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 22:37:05,099 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 22:37:05,105 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 22:37:05,105 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:05" (1/1) ... [2018-12-02 22:37:05,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:37:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:05,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 22:37:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 22:37:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 22:37:05,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:05,252 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 22:37:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 22:37:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 22:37:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 22:37:05,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:05,619 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 22:37:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-02 22:37:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-02 22:37:05,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 22:37:05,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:06,182 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 22:37:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2018-12-02 22:37:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2018-12-02 22:37:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 22:37:16,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:17,051 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 22:37:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2018-12-02 22:37:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2018-12-02 22:37:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 22:37:17,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:37:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-12-02 22:37:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-12-02 22:37:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 22:37:23,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:37:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-12-02 22:37:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-12-02 22:37:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 22:37:23,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:37:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:37:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:37:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:37:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2018-12-02 22:37:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2018-12-02 22:37:24,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:37:24,159 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-02 22:37:24,164 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 22:37:24,298 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-02 22:37:24,304 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-02 22:37:24,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 22:37:24,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:37:24 ImpRootNode [2018-12-02 22:37:24,305 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 22:37:24,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:37:24,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:37:24,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:37:24,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:05" (3/4) ... [2018-12-02 22:37:24,308 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:37:24,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-02 22:37:24,320 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 22:37:24,320 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 22:37:24,321 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 22:37:24,395 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_930d20d4-6768-4c65-83f2-b08f5b928b04/bin-2019/ukojak/witness.graphml [2018-12-02 22:37:24,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:37:24,395 INFO L168 Benchmark]: Toolchain (without parser) took 350580.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 944.2 MB in the beginning and 889.1 MB in the end (delta: 55.0 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2018-12-02 22:37:24,396 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:37:24,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-02 22:37:24,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.07 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-02 22:37:24,397 INFO L168 Benchmark]: Boogie Preprocessor took 38.22 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 22:37:24,397 INFO L168 Benchmark]: RCFGBuilder took 330806.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 770.7 MB in the end (delta: 310.0 MB). Peak memory consumption was 453.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:37:24,397 INFO L168 Benchmark]: CodeCheck took 19206.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Free memory was 770.7 MB in the beginning and 911.0 MB in the end (delta: -140.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:37:24,398 INFO L168 Benchmark]: Witness Printer took 89.75 ms. Allocated memory is still 1.2 GB. Free memory was 911.0 MB in the beginning and 889.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-02 22:37:24,399 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, 19.0s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 756 SDtfs, 1412 SDslu, 1000 SDs, 0 SdLazy, 3662 SolverSat, 614 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 69.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 674 SyntacticMatches, 72 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2450 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 18764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/86 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: 196]: 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: (286349 <= a12 || ((a21 == 6 || a21 == 10) || a21 == 8) || a21 == 9) || a12 + 49 <= 0 || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(a15 == 6) || ((((a21 == 6 || 286349 <= a12) || a21 == 10) || a21 == 8) || a12 + 49 <= 0) || 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.07 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.22 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330806.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 770.7 MB in the end (delta: 310.0 MB). Peak memory consumption was 453.3 MB. Max. memory is 11.5 GB. * CodeCheck took 19206.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Free memory was 770.7 MB in the beginning and 911.0 MB in the end (delta: -140.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 89.75 ms. Allocated memory is still 1.2 GB. Free memory was 911.0 MB in the beginning and 889.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...