./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label20_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_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/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 e270e5e3415ea982f52c61bbca04c42d8c680c74 ...................................................................................................................................................................................................................................................... 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 08:24:20,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:24:20,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:24:20,431 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:24:20,431 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:24:20,432 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:24:20,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:24:20,434 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:24:20,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:24:20,436 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:24:20,437 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:24:20,437 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:24:20,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:24:20,438 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:24:20,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:24:20,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:24:20,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:24:20,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:24:20,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:24:20,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:24:20,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:24:20,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:24:20,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:24:20,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:24:20,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:24:20,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:24:20,449 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:24:20,450 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:24:20,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:24:20,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:24:20,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:24:20,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:24:20,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:24:20,452 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:24:20,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:24:20,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:24:20,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 08:24:20,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:24:20,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:24:20,464 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:24:20,464 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:24:20,465 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:24:20,465 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:24:20,465 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:24:20,465 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:24:20,466 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:24:20,467 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:24:20,467 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:24:20,467 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:24:20,467 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:24:20,467 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:24:20,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:24:20,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:24:20,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:24:20,468 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:24:20,468 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 08:24:20,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:24:20,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:24:20,468 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_e595c2fd-54d3-40ce-b02f-de845031e882/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 -> e270e5e3415ea982f52c61bbca04c42d8c680c74 [2018-12-02 08:24:20,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:24:20,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:24:20,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:24:20,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:24:20,503 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:24:20,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-12-02 08:24:20,543 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/data/d611c37dd/dbc60ab1f8974f86b588d6b6c7aef085/FLAG838f37efe [2018-12-02 08:24:21,000 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:24:21,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-12-02 08:24:21,008 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/data/d611c37dd/dbc60ab1f8974f86b588d6b6c7aef085/FLAG838f37efe [2018-12-02 08:24:21,016 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/data/d611c37dd/dbc60ab1f8974f86b588d6b6c7aef085 [2018-12-02 08:24:21,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:24:21,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:24:21,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:24:21,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:24:21,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:24:21,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,024 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 02.12 08:24:21, skipping insertion in model container [2018-12-02 08:24:21,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:24:21,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:24:21,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:24:21,253 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:24:21,352 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:24:21,361 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:24:21,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21 WrapperNode [2018-12-02 08:24:21,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:24:21,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:24:21,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:24:21,362 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:24:21,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:24:21,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:24:21,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:24:21,417 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:24:21,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... [2018-12-02 08:24:21,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:24:21,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:24:21,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:24:21,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:24:21,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:24:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/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 08:24:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:24:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:28:59,021 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:28:59,021 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 08:28:59,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:59 BoogieIcfgContainer [2018-12-02 08:28:59,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:28:59,022 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:28:59,022 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:28:59,028 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:28:59,028 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:59" (1/1) ... [2018-12-02 08:28:59,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:28:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:28:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 08:28:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 08:28:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 08:28:59,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:28:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:28:59,165 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 08:28:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:28:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 08:28:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 08:28:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 08:28:59,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:28:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:28:59,513 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 08:28:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:28:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-12-02 08:28:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-12-02 08:28:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 08:28:59,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:28:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:29:00,139 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 08:29:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:29:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-02 08:29:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-02 08:29:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 08:29:00,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:29:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:29:00,529 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 08:29:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:29:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2018-12-02 08:29:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2018-12-02 08:29:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 08:29:00,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:29:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:29:01,280 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 08:29:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:29:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-12-02 08:29:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-12-02 08:29:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 08:29:01,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:29:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:29:02,150 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 08:29:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:29:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2018-12-02 08:29:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2018-12-02 08:29:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 08:29:02,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:29:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:29:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 08:29:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:29:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2018-12-02 08:29:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2018-12-02 08:29:03,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:29:03,159 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-02 08:29:03,165 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 08:29:03,282 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 08:29:03,290 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-02 08:29:03,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 08:29:03,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:29:03 ImpRootNode [2018-12-02 08:29:03,291 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:29:03,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:29:03,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:29:03,291 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:29:03,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:59" (3/4) ... [2018-12-02 08:29:03,295 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:29:03,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-02 08:29:03,313 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 08:29:03,314 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 08:29:03,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:29:03,389 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e595c2fd-54d3-40ce-b02f-de845031e882/bin-2019/ukojak/witness.graphml [2018-12-02 08:29:03,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:29:03,390 INFO L168 Benchmark]: Toolchain (without parser) took 282371.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 951.7 MB in the beginning and 855.7 MB in the end (delta: 96.0 MB). Peak memory consumption was 409.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:29:03,391 INFO L168 Benchmark]: CDTParser took 0.14 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 08:29:03,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:29:03,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.85 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:29:03,391 INFO L168 Benchmark]: Boogie Preprocessor took 37.29 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. [2018-12-02 08:29:03,391 INFO L168 Benchmark]: RCFGBuilder took 277567.20 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 845.2 MB in the end (delta: 251.2 MB). Peak memory consumption was 472.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:29:03,391 INFO L168 Benchmark]: CodeCheck took 4269.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.5 MB). Free memory was 845.2 MB in the beginning and 883.9 MB in the end (delta: -38.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:29:03,392 INFO L168 Benchmark]: Witness Printer took 98.02 ms. Allocated memory is still 1.3 GB. Free memory was 883.9 MB in the beginning and 855.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:29:03,393 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, 4.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 704 SDtfs, 1218 SDslu, 896 SDs, 0 SdLazy, 3672 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 861 GetRequests, 708 SyntacticMatches, 73 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4666 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 18312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 2/101 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: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (a21 == 6 || a21 == 9) || (a21 == 10 || a21 == 8) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a21 == 6 || a21 == 10) || a21 == 8) || a21 == 9) || !(a15 == 6) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.85 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.29 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 277567.20 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 845.2 MB in the end (delta: 251.2 MB). Peak memory consumption was 472.1 MB. Max. memory is 11.5 GB. * CodeCheck took 4269.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.5 MB). Free memory was 845.2 MB in the beginning and 883.9 MB in the end (delta: -38.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * Witness Printer took 98.02 ms. Allocated memory is still 1.3 GB. Free memory was 883.9 MB in the beginning and 855.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...