./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_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_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/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 2f6307005cb5c47af0b5fde9199b934ec7fee093 ...................................................................................................................................................................................................................................................... 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 13:11:15,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:11:15,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:11:15,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:11:15,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:11:15,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:11:15,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:11:15,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:11:15,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:11:15,394 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:11:15,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:11:15,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:11:15,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:11:15,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:11:15,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:11:15,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:11:15,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:11:15,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:11:15,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:11:15,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:11:15,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:11:15,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:11:15,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:11:15,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:11:15,407 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:11:15,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:11:15,408 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:11:15,409 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:11:15,409 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:11:15,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:11:15,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:11:15,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:11:15,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:11:15,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:11:15,412 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:11:15,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:11:15,412 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:11:15,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:11:15,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:11:15,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:11:15,424 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:11:15,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:11:15,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:11:15,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:11:15,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:11:15,426 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:11:15,426 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:11:15,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:11:15,426 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:11:15,426 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:11:15,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:11:15,426 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:11:15,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:11:15,427 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:11:15,427 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:11:15,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:11:15,427 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:11:15,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:11:15,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:11:15,428 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_d850d69d-20d7-495a-adf4-bb85af0504a0/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 -> 2f6307005cb5c47af0b5fde9199b934ec7fee093 [2018-11-18 13:11:15,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:11:15,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:11:15,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:11:15,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:11:15,462 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:11:15,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-18 13:11:15,505 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/data/d564000b8/0b101aec94f24664b43779cd2d00322d/FLAGd695e4d63 [2018-11-18 13:11:15,900 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:11:15,901 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-18 13:11:15,912 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/data/d564000b8/0b101aec94f24664b43779cd2d00322d/FLAGd695e4d63 [2018-11-18 13:11:15,925 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/data/d564000b8/0b101aec94f24664b43779cd2d00322d [2018-11-18 13:11:15,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:11:15,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:11:15,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:11:15,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:11:15,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:11:15,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:11:15" (1/1) ... [2018-11-18 13:11:15,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:15, skipping insertion in model container [2018-11-18 13:11:15,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:11:15" (1/1) ... [2018-11-18 13:11:15,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:11:15,986 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:11:16,247 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:11:16,250 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:11:16,322 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:11:16,335 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:11:16,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16 WrapperNode [2018-11-18 13:11:16,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:11:16,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:11:16,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:11:16,336 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:11:16,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:11:16,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:11:16,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:11:16,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:11:16,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... [2018-11-18 13:11:16,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:11:16,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:11:16,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:11:16,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:11:16,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:11:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/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 13:11:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:11:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:11:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:13:17,853 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:13:17,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:17 BoogieIcfgContainer [2018-11-18 13:13:17,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:13:17,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:13:17,854 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:13:17,862 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:13:17,862 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:17" (1/1) ... [2018-11-18 13:13:17,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 13:13:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 13:13:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:13:17,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:18,068 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 13:13:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 13:13:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 13:13:18,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:13:18,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:18,496 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 13:13:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 13:13:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 13:13:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:13:18,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:19,030 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 13:13:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2018-11-18 13:13:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2018-11-18 13:13:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:13:19,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:19,559 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 13:13:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-11-18 13:13:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-11-18 13:13:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:13:19,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:13:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-11-18 13:13:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-11-18 13:13:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:13:21,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:13:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2018-11-18 13:13:22,887 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2018-11-18 13:13:22,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:13:22,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:13:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-11-18 13:13:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-11-18 13:13:23,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:13:23,678 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-18 13:13:23,685 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:13:23,901 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 13:13:23,909 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 13:13:23,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:13:23,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:13:23 ImpRootNode [2018-11-18 13:13:23,911 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:13:23,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:13:23,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:13:23,911 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:13:23,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:17" (3/4) ... [2018-11-18 13:13:23,915 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:13:23,928 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 13:13:23,929 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 13:13:23,930 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:13:23,930 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:13:24,033 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d850d69d-20d7-495a-adf4-bb85af0504a0/bin-2019/ukojak/witness.graphml [2018-11-18 13:13:24,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:13:24,034 INFO L168 Benchmark]: Toolchain (without parser) took 128106.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.3 MB). Free memory was 955.5 MB in the beginning and 929.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 323.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:24,035 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:13:24,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:24,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:24,036 INFO L168 Benchmark]: Boogie Preprocessor took 45.92 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:24,036 INFO L168 Benchmark]: RCFGBuilder took 121347.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.1 GB in the beginning and 817.9 MB in the end (delta: 296.3 MB). Peak memory consumption was 460.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:24,036 INFO L168 Benchmark]: CodeCheck took 6056.98 ms. Allocated memory is still 1.3 GB. Free memory was 817.9 MB in the beginning and 956.1 MB in the end (delta: -138.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:13:24,037 INFO L168 Benchmark]: Witness Printer took 122.04 ms. Allocated memory is still 1.3 GB. Free memory was 956.1 MB in the beginning and 929.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:24,039 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, 207 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 2028 SDslu, 2000 SDs, 0 SdLazy, 3860 SolverSat, 572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1128 GetRequests, 962 SyntacticMatches, 60 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6144 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 29670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 35/149 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: 103]: 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: 20]: Loop Invariant Derived loop invariant: ((!(a19 == 6) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && ((38 < a1 || a1 + 13 <= 0) || !(a10 == 4))) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a10 == 4) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0))) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.92 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 121347.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.1 GB in the beginning and 817.9 MB in the end (delta: 296.3 MB). Peak memory consumption was 460.4 MB. Max. memory is 11.5 GB. * CodeCheck took 6056.98 ms. Allocated memory is still 1.3 GB. Free memory was 817.9 MB in the beginning and 956.1 MB in the end (delta: -138.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 122.04 ms. Allocated memory is still 1.3 GB. Free memory was 956.1 MB in the beginning and 929.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...