./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/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 34fdc62899dd0d13cba90ab54d1289d04fc22048 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:10:35,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:10:35,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:10:35,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:10:35,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:10:35,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:10:35,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:10:35,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:10:35,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:10:35,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:10:35,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:10:35,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:10:35,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:10:35,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:10:35,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:10:35,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:10:35,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:10:35,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:10:35,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:10:35,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:10:35,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:10:35,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:10:35,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:10:35,522 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:10:35,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:10:35,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:10:35,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:10:35,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:10:35,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:10:35,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:10:35,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:10:35,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:10:35,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:10:35,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:10:35,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:10:35,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:10:35,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:10:35,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:10:35,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:10:35,539 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:10:35,539 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:10:35,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:10:35,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:10:35,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:10:35,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:10:35,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:10:35,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:10:35,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:10:35,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:10:35,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:10:35,541 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:10:35,541 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:10:35,541 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:10:35,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:10:35,541 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:10:35,541 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:10:35,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:10:35,542 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:10:35,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:10:35,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:10:35,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:10:35,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:10:35,542 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:10:35,543 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:10:35,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:10:35,543 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_97be73cd-97c0-4173-b1cd-ab4950ad5579/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 -> 34fdc62899dd0d13cba90ab54d1289d04fc22048 [2018-11-10 10:10:35,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:10:35,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:10:35,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:10:35,578 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:10:35,578 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:10:35,578 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-10 10:10:35,617 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/data/782c0e642/1e82719534fd4b4287ec69002405e1d1/FLAGc9cc67506 [2018-11-10 10:10:36,060 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:10:36,060 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/sv-benchmarks/c/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-10 10:10:36,069 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/data/782c0e642/1e82719534fd4b4287ec69002405e1d1/FLAGc9cc67506 [2018-11-10 10:10:36,081 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/data/782c0e642/1e82719534fd4b4287ec69002405e1d1 [2018-11-10 10:10:36,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:10:36,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:10:36,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:10:36,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:10:36,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:10:36,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36, skipping insertion in model container [2018-11-10 10:10:36,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:10:36,136 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:10:36,354 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:10:36,356 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:10:36,422 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:10:36,434 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:10:36,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36 WrapperNode [2018-11-10 10:10:36,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:10:36,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:10:36,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:10:36,435 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:10:36,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:10:36,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:10:36,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:10:36,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:10:36,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... [2018-11-10 10:10:36,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:10:36,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:10:36,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:10:36,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:10:36,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/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 [2018-11-10 10:10:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:10:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:10:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:12:10,042 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:12:10,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:10 BoogieIcfgContainer [2018-11-10 10:12:10,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:12:10,043 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:12:10,043 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:12:10,050 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:12:10,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:10" (1/1) ... [2018-11-10 10:12:10,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 10:12:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 10:12:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:12:10,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 10:12:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 10:12:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:12:10,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2018-11-10 10:12:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2018-11-10 10:12:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:12:11,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2018-11-10 10:12:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2018-11-10 10:12:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:12:13,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2018-11-10 10:12:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2018-11-10 10:12:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:12:14,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2018-11-10 10:12:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2018-11-10 10:12:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:12:15,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:12:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2018-11-10 10:12:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2018-11-10 10:12:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:12:16,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:12:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2018-11-10 10:12:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2018-11-10 10:12:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:12:16,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:12:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 93 transitions. [2018-11-10 10:12:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2018-11-10 10:12:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 10:12:17,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:12:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:12:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:12:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2018-11-10 10:12:18,468 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2018-11-10 10:12:18,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:12:18,469 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-10 10:12:18,474 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:12:18,618 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 10:12:18,627 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 10:12:18,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:12:18,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:12:18 ImpRootNode [2018-11-10 10:12:18,628 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:12:18,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:12:18,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:12:18,629 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:12:18,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:10" (3/4) ... [2018-11-10 10:12:18,633 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:12:18,648 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 10:12:18,649 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 10:12:18,650 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 10:12:18,651 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:12:18,748 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97be73cd-97c0-4173-b1cd-ab4950ad5579/bin-2019/ukojak/witness.graphml [2018-11-10 10:12:18,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:12:18,749 INFO L168 Benchmark]: Toolchain (without parser) took 102664.83 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 587.2 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -82.7 MB). Peak memory consumption was 504.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,750 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-10 10:12:18,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.77 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -234.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,751 INFO L168 Benchmark]: Boogie Preprocessor took 47.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,751 INFO L168 Benchmark]: RCFGBuilder took 93448.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -121.9 MB). Peak memory consumption was 500.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,751 INFO L168 Benchmark]: CodeCheck took 8585.10 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 232.8 MB). Free memory was 1.3 GB in the beginning and 1.0 GB in the end (delta: 225.6 MB). Peak memory consumption was 458.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,752 INFO L168 Benchmark]: Witness Printer took 119.71 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:18,753 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, 8.4s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3796 SDtfs, 9310 SDslu, 9040 SDs, 0 SdLazy, 22004 SolverSat, 2854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1483 GetRequests, 1311 SyntacticMatches, 68 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5960 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 28145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 30/170 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: 109]: 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: (((0 < a1 + 13 || !(a10 == 1)) && a12 == 0) && a4 == 14) || ((a12 == 0 && !(a19 == 8)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 8) || !(a10 == 1)) || 0 < a1 + 13) && 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 0.10 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 348.77 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -234.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 93448.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -121.9 MB). Peak memory consumption was 500.3 MB. Max. memory is 11.5 GB. * CodeCheck took 8585.10 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 232.8 MB). Free memory was 1.3 GB in the beginning and 1.0 GB in the end (delta: 225.6 MB). Peak memory consumption was 458.4 MB. Max. memory is 11.5 GB. * Witness Printer took 119.71 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...