./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_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_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/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 b3ccc46b30bd9e1d865272aecfdf21618e4ebade ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:35:16,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:35:16,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:35:16,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:35:16,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:35:16,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:35:16,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:35:16,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:35:16,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:35:16,305 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:35:16,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:35:16,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:35:16,306 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:35:16,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:35:16,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:35:16,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:35:16,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:35:16,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:35:16,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:35:16,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:35:16,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:35:16,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:35:16,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:35:16,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:35:16,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:35:16,316 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:35:16,317 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:35:16,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:35:16,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:35:16,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:35:16,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:35:16,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:35:16,320 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:35:16,320 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:35:16,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:35:16,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:35:16,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:35:16,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:35:16,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:35:16,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:35:16,332 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:35:16,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:35:16,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:35:16,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:35:16,333 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:35:16,333 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:35:16,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:35:16,333 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:35:16,333 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:35:16,334 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:35:16,334 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:35:16,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:35:16,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:35:16,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:35:16,335 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_3ed95760-b11f-4b30-8221-e0078f4df9cc/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 -> b3ccc46b30bd9e1d865272aecfdf21618e4ebade [2018-12-08 13:35:16,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:35:16,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:35:16,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:35:16,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:35:16,370 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:35:16,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-12-08 13:35:16,411 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/data/e08f59a04/28b7691ad45b4df189b46ba660cfe35d/FLAG82cff90c8 [2018-12-08 13:35:16,743 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:35:16,743 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-12-08 13:35:16,750 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/data/e08f59a04/28b7691ad45b4df189b46ba660cfe35d/FLAG82cff90c8 [2018-12-08 13:35:17,140 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/data/e08f59a04/28b7691ad45b4df189b46ba660cfe35d [2018-12-08 13:35:17,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:35:17,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:35:17,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:35:17,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:35:17,150 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:35:17,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17, skipping insertion in model container [2018-12-08 13:35:17,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:35:17,178 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:35:17,348 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:35:17,351 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:35:17,443 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:35:17,452 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:35:17,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17 WrapperNode [2018-12-08 13:35:17,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:35:17,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:35:17,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:35:17,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:35:17,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:35:17,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:35:17,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:35:17,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:35:17,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... [2018-12-08 13:35:17,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:35:17,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:35:17,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:35:17,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:35:17,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:35:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/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 [2018-12-08 13:35:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:35:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:36:32,715 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:36:32,715 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:36:32,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:36:32 BoogieIcfgContainer [2018-12-08 13:36:32,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:36:32,716 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:36:32,716 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:36:32,722 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:36:32,722 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:36:32" (1/1) ... [2018-12-08 13:36:32,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:36:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 13:36:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 13:36:32,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:36:32,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:36:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 13:36:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 13:36:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:36:32,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:36:33,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2018-12-08 13:36:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2018-12-08 13:36:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:36:33,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:36:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-12-08 13:36:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-12-08 13:36:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:36:34,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:36:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-12-08 13:36:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-12-08 13:36:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:36:34,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:36:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2018-12-08 13:36:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2018-12-08 13:36:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:36:34,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 13:36:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2018-12-08 13:36:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2018-12-08 13:36:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:36:35,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 13:36:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2018-12-08 13:36:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2018-12-08 13:36:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:36:36,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 13:36:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2018-12-08 13:36:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2018-12-08 13:36:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:36:36,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:36:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:36:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 13:36:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:36:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-12-08 13:36:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-12-08 13:36:36,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:36:36,615 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-12-08 13:36:36,623 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:36:36,790 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-08 13:36:36,797 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:36:36,797 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 13:36:36,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:36:36 ImpRootNode [2018-12-08 13:36:36,798 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:36:36,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:36:36,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:36:36,799 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:36:36,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:36:32" (3/4) ... [2018-12-08 13:36:36,802 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:36:36,813 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-08 13:36:36,814 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 13:36:36,814 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 13:36:36,815 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:36:36,876 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ed95760-b11f-4b30-8221-e0078f4df9cc/bin-2019/ukojak/witness.graphml [2018-12-08 13:36:36,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:36:36,877 INFO L168 Benchmark]: Toolchain (without parser) took 79733.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 950.6 MB in the beginning and 954.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 193.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,878 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 13:36:36,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,879 INFO L168 Benchmark]: Boogie Preprocessor took 36.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,879 INFO L168 Benchmark]: RCFGBuilder took 75180.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 349.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,879 INFO L168 Benchmark]: CodeCheck took 4082.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 975.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 140.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,879 INFO L168 Benchmark]: Witness Printer took 77.93 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 954.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-12-08 13:36:36,881 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, 3.8s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3032 SDtfs, 5408 SDslu, 4016 SDs, 0 SdLazy, 18580 SolverSat, 2436 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1248 GetRequests, 1090 SyntacticMatches, 68 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3988 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 18984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 48/117 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: 166]: 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: (((a12 == 0 && a4 == 14) && !(a19 == 7)) || ((a1 <= 23 && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 4)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a19 == 7) || !(a10 == 4)) && a12 == 0) && a4 == 14 * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 75180.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 349.2 MB. Max. memory is 11.5 GB. * CodeCheck took 4082.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 975.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 140.4 MB. Max. memory is 11.5 GB. * Witness Printer took 77.93 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 954.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...