./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.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_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/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 ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:22:11,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:22:11,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:22:11,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:22:11,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:22:11,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:22:11,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:22:11,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:22:11,020 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:22:11,021 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:22:11,022 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:22:11,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:22:11,023 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:22:11,023 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:22:11,024 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:22:11,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:22:11,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:22:11,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:22:11,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:22:11,031 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:22:11,031 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:22:11,032 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:22:11,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:22:11,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:22:11,042 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:22:11,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:22:11,043 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:22:11,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:22:11,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:22:11,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:22:11,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:22:11,046 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:22:11,048 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:22:11,048 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:22:11,048 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:22:11,049 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:22:11,049 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:22:11,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:22:11,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:22:11,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:22:11,065 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:22:11,065 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:22:11,065 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:22:11,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:22:11,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:22:11,067 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:22:11,067 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:22:11,067 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:22:11,067 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:22:11,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:22:11,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:22:11,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:22:11,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:22:11,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:22:11,068 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:22:11,068 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:22:11,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:22:11,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:22:11,068 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_9f8a7033-3036-4f29-ab3f-dd338821a533/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 -> ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 [2018-10-26 20:22:11,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:22:11,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:22:11,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:22:11,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:22:11,115 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:22:11,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-10-26 20:22:11,169 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/data/648e025e6/b9fc86d0ea33445da50482e9000bbf2c/FLAGec2a1e8c2 [2018-10-26 20:22:11,601 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:22:11,601 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-10-26 20:22:11,615 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/data/648e025e6/b9fc86d0ea33445da50482e9000bbf2c/FLAGec2a1e8c2 [2018-10-26 20:22:11,633 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/data/648e025e6/b9fc86d0ea33445da50482e9000bbf2c [2018-10-26 20:22:11,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:22:11,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:22:11,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:22:11,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:22:11,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:22:11,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:22:11" (1/1) ... [2018-10-26 20:22:11,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccefcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:11, skipping insertion in model container [2018-10-26 20:22:11,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:22:11" (1/1) ... [2018-10-26 20:22:11,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:22:11,723 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:22:12,160 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:22:12,164 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:22:12,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:22:12,321 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:22:12,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12 WrapperNode [2018-10-26 20:22:12,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:22:12,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:22:12,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:22:12,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:22:12,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:22:12,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:22:12,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:22:12,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:22:12,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... [2018-10-26 20:22:12,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:22:12,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:22:12,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:22:12,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:22:12,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:22:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/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 [2018-10-26 20:22:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 20:22:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:22:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:28:47,571 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:28:47,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:28:47 BoogieIcfgContainer [2018-10-26 20:28:47,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:28:47,572 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:28:47,572 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:28:47,592 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:28:47,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:28:47" (1/1) ... [2018-10-26 20:28:47,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:28:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:28:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 20:28:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 20:28:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:28:47,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:28:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:28:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:28:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-26 20:28:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-26 20:28:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:28:48,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:28:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:48,794 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 20:28:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:28:49,307 WARN L179 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-10-26 20:28:49,635 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 20:28:49,982 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 20:28:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:28:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-10-26 20:28:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-10-26 20:28:50,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:28:50,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:28:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:51,247 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 20:28:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:29:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:29:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-10-26 20:29:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-10-26 20:29:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:29:12,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:29:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:29:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:29:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:29:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-10-26 20:29:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-10-26 20:29:13,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:29:13,700 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-10-26 20:29:13,709 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:29:14,582 WARN L179 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 17 [2018-10-26 20:29:14,689 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 20:29:14,698 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 20:29:14,699 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:29:14,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:29:14 ImpRootNode [2018-10-26 20:29:14,699 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:29:14,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:29:14,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:29:14,700 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:29:14,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:28:47" (3/4) ... [2018-10-26 20:29:14,705 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:29:14,723 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-10-26 20:29:14,725 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 20:29:14,726 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 20:29:14,727 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:29:14,854 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f8a7033-3036-4f29-ab3f-dd338821a533/bin-2019/ukojak/witness.graphml [2018-10-26 20:29:14,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:29:14,855 INFO L168 Benchmark]: Toolchain (without parser) took 423215.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -70.5 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,856 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:29:14,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.67 ms. Allocated memory is still 1.0 GB. Free memory was 913.5 MB in the beginning and 905.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,856 INFO L168 Benchmark]: Boogie Preprocessor took 196.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 905.4 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,857 INFO L168 Benchmark]: RCFGBuilder took 394947.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -25.6 MB). Peak memory consumption was 562.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,857 INFO L168 Benchmark]: CodeCheck took 27127.41 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -15.7 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 105.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,857 INFO L168 Benchmark]: Witness Printer took 154.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:29:14,861 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, 246 locations, 1 error locations. SAFE Result, 26.0s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 232 SDslu, 224 SDs, 0 SdLazy, 418 SolverSat, 76 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 41.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 385 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 6555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 27/44 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: 142]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: a12 <= 80 || (!(a21 == 8) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 <= 80 || !(a21 == 8)) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 680.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.67 ms. Allocated memory is still 1.0 GB. Free memory was 913.5 MB in the beginning and 905.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 196.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 905.4 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 394947.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -25.6 MB). Peak memory consumption was 562.4 MB. Max. memory is 11.5 GB. * CodeCheck took 27127.41 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -15.7 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 105.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. * Witness Printer took 154.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...