./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label59_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/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 4752298a89db41e493a78b9f5c4df6fafd791c09 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:51:00,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:51:00,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:51:00,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:51:00,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:51:00,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:51:00,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:51:00,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:51:00,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:51:00,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:51:00,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:51:00,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:51:00,409 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:51:00,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:51:00,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:51:00,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:51:00,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:51:00,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:51:00,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:51:00,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:51:00,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:51:00,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:51:00,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:51:00,422 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:51:00,422 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:51:00,423 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:51:00,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:51:00,424 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:51:00,424 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:51:00,425 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:51:00,425 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:51:00,426 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:51:00,426 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:51:00,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:51:00,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:51:00,428 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:51:00,428 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:51:00,438 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:51:00,439 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:51:00,439 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:51:00,440 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:51:00,440 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:51:00,440 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:51:00,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:51:00,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:51:00,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:51:00,442 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:51:00,442 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:51:00,442 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:51:00,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:51:00,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:51:00,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:51:00,443 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:51:00,443 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:51:00,443 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:51:00,444 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:51:00,444 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:51:00,444 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:51:00,444 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:51:00,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:51:00,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:51:00,445 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:51:00,445 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:51:00,445 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:51:00,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:51:00,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:51:00,445 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_d495884f-0cfd-4a8f-8f18-7a1b192824f3/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 -> 4752298a89db41e493a78b9f5c4df6fafd791c09 [2018-11-18 11:51:00,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:51:00,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:51:00,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:51:00,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:51:00,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:51:00,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-11-18 11:51:00,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/data/38b3d5277/9163929e7273441d9498d62d7526ffa3/FLAG82a3a0e9a [2018-11-18 11:51:00,990 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:51:00,991 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/sv-benchmarks/c/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-11-18 11:51:01,001 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/data/38b3d5277/9163929e7273441d9498d62d7526ffa3/FLAG82a3a0e9a [2018-11-18 11:51:01,502 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/data/38b3d5277/9163929e7273441d9498d62d7526ffa3 [2018-11-18 11:51:01,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:51:01,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:51:01,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:51:01,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:51:01,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:51:01,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:51:01" (1/1) ... [2018-11-18 11:51:01,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:01, skipping insertion in model container [2018-11-18 11:51:01,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:51:01" (1/1) ... [2018-11-18 11:51:01,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:51:01,555 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:51:01,876 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:51:01,880 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:51:02,003 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:51:02,017 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:51:02,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02 WrapperNode [2018-11-18 11:51:02,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:51:02,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:51:02,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:51:02,018 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:51:02,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:51:02,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:51:02,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:51:02,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:51:02,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... [2018-11-18 11:51:02,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:51:02,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:51:02,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:51:02,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:51:02,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:51:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/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 [2018-11-18 11:51:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:51:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:51:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:58:09,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:58:09,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:09 BoogieIcfgContainer [2018-11-18 11:58:09,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:58:09,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:58:09,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:58:09,216 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:58:09,216 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:09" (1/1) ... [2018-11-18 11:58:09,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 11:58:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 11:58:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:58:09,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 11:58:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 11:58:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:58:09,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-18 11:58:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-18 11:58:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:58:10,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:14,706 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2018-11-18 11:58:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2018-11-18 11:58:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2018-11-18 11:58:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:58:26,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2018-11-18 11:58:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2018-11-18 11:58:28,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:58:28,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-11-18 11:58:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-11-18 11:58:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:58:31,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:58:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-11-18 11:58:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-11-18 11:58:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:58:56,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:58:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2018-11-18 11:58:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2018-11-18 11:58:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:58:57,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:58:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2018-11-18 11:58:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2018-11-18 11:58:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:58:57,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:59:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:59:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-11-18 11:59:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-11-18 11:59:11,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:59:11,182 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 11:59:11,190 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:59:11,628 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2018-11-18 11:59:11,628 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:59:11,631 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 11:59:11,638 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 11:59:11,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:59:11 ImpRootNode [2018-11-18 11:59:11,639 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:59:11,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:59:11,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:59:11,639 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:59:11,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:09" (3/4) ... [2018-11-18 11:59:11,644 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:59:11,663 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 251 nodes and edges [2018-11-18 11:59:11,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-18 11:59:11,666 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:59:11,667 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:59:11,833 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d495884f-0cfd-4a8f-8f18-7a1b192824f3/bin-2019/ukojak/witness.graphml [2018-11-18 11:59:11,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:59:11,833 INFO L168 Benchmark]: Toolchain (without parser) took 490329.12 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 951.1 MB in the beginning and 1.6 GB in the end (delta: -693.0 MB). Peak memory consumption was 789.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,834 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:59:11,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 892.0 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 892.0 MB in the beginning and 1.1 GB in the end (delta: -256.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,835 INFO L168 Benchmark]: Boogie Preprocessor took 66.79 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,835 INFO L168 Benchmark]: RCFGBuilder took 426975.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -41.1 MB). Peak memory consumption was 654.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,835 INFO L168 Benchmark]: CodeCheck took 62430.55 ms. Allocated memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: 1.1 GB). Free memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: -495.2 MB). Peak memory consumption was 616.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,836 INFO L168 Benchmark]: Witness Printer took 193.62 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:59:11,838 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, 284 locations, 1 error locations. SAFE Result, 61.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3544 SDtfs, 8172 SDslu, 8032 SDs, 0 SdLazy, 19958 SolverSat, 2036 SolverUnsat, 162 SolverUnknown, 0 SolverNotchecked, 176.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1522 GetRequests, 1333 SyntacticMatches, 87 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5303 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 43995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 75/170 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: 183]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((140 < a29 || !(a25 == 9) || !(a4 == 1)) && a8 == 15) && a3 == 1) || ((a8 == 15 && a23 <= 306) && a3 == 1) - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((a8 == 15 && !(a25 == 9)) && a3 == 1) || ((a8 == 15 && a23 <= 306) && a3 == 1)) || ((a8 == 15 && (141 <= a29 || !(a4 == 1))) && a3 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 892.0 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 147.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 892.0 MB in the beginning and 1.1 GB in the end (delta: -256.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.79 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 426975.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -41.1 MB). Peak memory consumption was 654.9 MB. Max. memory is 11.5 GB. * CodeCheck took 62430.55 ms. Allocated memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: 1.1 GB). Free memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: -495.2 MB). Peak memory consumption was 616.8 MB. Max. memory is 11.5 GB. * Witness Printer took 193.62 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...