./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.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_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/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 e270e5e3415ea982f52c61bbca04c42d8c680c74 ............................................................................................................................................................................................................................................................... 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 10:48:53,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:48:53,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:48:53,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:48:53,492 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:48:53,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:48:53,494 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:48:53,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:48:53,496 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:48:53,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:48:53,497 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:48:53,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:48:53,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:48:53,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:48:53,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:48:53,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:48:53,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:48:53,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:48:53,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:48:53,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:48:53,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:48:53,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:48:53,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:48:53,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:48:53,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:48:53,509 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:48:53,510 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:48:53,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:48:53,511 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:48:53,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:48:53,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:48:53,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:48:53,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:48:53,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:48:53,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:48:53,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:48:53,516 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:48:53,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:48:53,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:48:53,526 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:48:53,526 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:48:53,527 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:48:53,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:48:53,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:48:53,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:48:53,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:48:53,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:48:53,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:48:53,529 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:48:53,529 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:48:53,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:48:53,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:48:53,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:48:53,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:48:53,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:48:53,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:48:53,532 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:48:53,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:48:53,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:48:53,532 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_d9b3b305-7b35-4458-8311-673c28dd9509/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 -> e270e5e3415ea982f52c61bbca04c42d8c680c74 [2018-11-18 10:48:53,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:48:53,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:48:53,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:48:53,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:48:53,567 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:48:53,568 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-11-18 10:48:53,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/data/17688fa77/7bdbbe1f70f94187865bd24d9067d14f/FLAG84e003540 [2018-11-18 10:48:53,984 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:48:53,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-11-18 10:48:53,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/data/17688fa77/7bdbbe1f70f94187865bd24d9067d14f/FLAG84e003540 [2018-11-18 10:48:54,006 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/data/17688fa77/7bdbbe1f70f94187865bd24d9067d14f [2018-11-18 10:48:54,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:48:54,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:48:54,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:54,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:48:54,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:48:54,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,017 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 10:48:54, skipping insertion in model container [2018-11-18 10:48:54,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:48:54,064 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:48:54,307 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:54,310 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:48:54,388 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:54,397 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:48:54,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54 WrapperNode [2018-11-18 10:48:54,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:54,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:48:54,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:48:54,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:48:54,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:48:54,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:48:54,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:48:54,523 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:48:54,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... [2018-11-18 10:48:54,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:48:54,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:48:54,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:48:54,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:48:54,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/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 10:48:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:48:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:48:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:52:44,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:52:44,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:52:44 BoogieIcfgContainer [2018-11-18 10:52:44,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:52:44,998 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:52:44,998 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:52:45,005 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:52:45,005 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:52:44" (1/1) ... [2018-11-18 10:52:45,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:52:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:52:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 10:52:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 10:52:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:52:45,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:52:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:52:45,194 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 10:52:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:52:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 10:52:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 10:52:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:52:45,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:52:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:52:45,680 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 10:52:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:52:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-18 10:52:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-18 10:52:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:52:45,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:52:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:52:46,706 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 18 [2018-11-18 10:52:46,986 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2018-11-18 10:52:47,044 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 10:52:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:52:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-18 10:52:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-18 10:52:47,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:52:47,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:52:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:52:48,275 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 10:52:48,478 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 10:52:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:52:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-18 10:52:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-18 10:52:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:52:48,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:52:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:52:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:52:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:52:59,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-11-18 10:52:59,773 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-11-18 10:52:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:52:59,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:52:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:53:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:53:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:53:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2018-11-18 10:53:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2018-11-18 10:53:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:53:00,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:53:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:53:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:53:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:53:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2018-11-18 10:53:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2018-11-18 10:53:03,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:53:03,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:53:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:53:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 10:53:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:53:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-11-18 10:53:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-11-18 10:53:04,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:53:04,447 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-18 10:53:04,456 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:53:04,742 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 10:53:04,751 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 10:53:04,751 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:53:04,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:53:04 ImpRootNode [2018-11-18 10:53:04,752 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:53:04,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:53:04,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:53:04,752 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:53:04,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:52:44" (3/4) ... [2018-11-18 10:53:04,765 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:53:04,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 10:53:04,783 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 10:53:04,784 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:53:04,785 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:53:04,895 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9b3b305-7b35-4458-8311-673c28dd9509/bin-2019/ukojak/witness.graphml [2018-11-18 10:53:04,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:53:04,896 INFO L168 Benchmark]: Toolchain (without parser) took 250886.92 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 578.3 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 391.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,897 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 10:53:04,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.16 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -243.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,898 INFO L168 Benchmark]: Boogie Preprocessor took 54.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,898 INFO L168 Benchmark]: RCFGBuilder took 230420.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 535.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,898 INFO L168 Benchmark]: CodeCheck took 19754.11 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 259.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -70.7 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,899 INFO L168 Benchmark]: Witness Printer took 143.42 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:53:04,900 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, 19.4s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1888 SDtfs, 4686 SDslu, 4480 SDs, 0 SdLazy, 9862 SolverSat, 1424 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 43.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1313 GetRequests, 1150 SyntacticMatches, 67 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6591 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 33390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 70/200 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: 184]: 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: (!(a21 == 7) || !(a24 == 1) || !(a15 == 6)) || 0 <= a12 + 42 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a24 == 1) || !(a21 == 7) || !(a15 == 6)) || 0 < a12 + 43 - 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 0.19 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 387.16 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -243.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230420.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 535.4 MB. Max. memory is 11.5 GB. * CodeCheck took 19754.11 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 259.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -70.7 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * Witness Printer took 143.42 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 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...