./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:47:44,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:47:44,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:47:44,266 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:47:44,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:47:44,266 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:47:44,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:47:44,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:47:44,269 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:47:44,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:47:44,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:47:44,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:47:44,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:47:44,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:47:44,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:47:44,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:47:44,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:47:44,273 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:47:44,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:47:44,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:47:44,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:47:44,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:47:44,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:47:44,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:47:44,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:47:44,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:47:44,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:47:44,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:47:44,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:47:44,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:47:44,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:47:44,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:47:44,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:47:44,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:47:44,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:47:44,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:47:44,281 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:47:44,288 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:47:44,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:47:44,288 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:47:44,288 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:47:44,289 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:47:44,289 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:47:44,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:47:44,290 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:47:44,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:47:44,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:47:44,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:47:44,291 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:47:44,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:47:44,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:47:44,291 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_2fe41b73-fa0c-4dac-9015-9341e5b92f12/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-12-01 17:47:44,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:47:44,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:47:44,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:47:44,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:47:44,320 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:47:44,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-01 17:47:44,357 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/data/0384f1fb0/a004f902434b4394a065e622712febdd/FLAGe5e9f7eaf [2018-12-01 17:47:44,776 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:47:44,777 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-01 17:47:44,784 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/data/0384f1fb0/a004f902434b4394a065e622712febdd/FLAGe5e9f7eaf [2018-12-01 17:47:45,107 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/data/0384f1fb0/a004f902434b4394a065e622712febdd [2018-12-01 17:47:45,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:47:45,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:47:45,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:47:45,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:47:45,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:47:45,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c57853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45, skipping insertion in model container [2018-12-01 17:47:45,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:47:45,177 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:47:45,396 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:47:45,399 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:47:45,469 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:47:45,543 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:47:45,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45 WrapperNode [2018-12-01 17:47:45,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:47:45,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:47:45,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:47:45,544 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:47:45,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:47:45,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:47:45,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:47:45,605 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:47:45,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... [2018-12-01 17:47:45,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:47:45,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:47:45,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:47:45,658 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:47:45,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/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 [2018-12-01 17:47:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:47:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:52:01,891 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:52:01,891 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 17:52:01,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:01 BoogieIcfgContainer [2018-12-01 17:52:01,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:52:01,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:52:01,892 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:52:01,898 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:52:01,898 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:01" (1/1) ... [2018-12-01 17:52:01,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:52:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 17:52:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 17:52:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 17:52:01,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 17:52:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 17:52:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:52:02,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-01 17:52:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-01 17:52:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:52:02,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2018-12-01 17:52:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2018-12-01 17:52:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:52:04,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2018-12-01 17:52:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2018-12-01 17:52:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 17:52:04,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2018-12-01 17:52:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2018-12-01 17:52:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 17:52:04,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 37 states and 77 transitions. [2018-12-01 17:52:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 77 transitions. [2018-12-01 17:52:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 17:52:18,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 78 transitions. [2018-12-01 17:52:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2018-12-01 17:52:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 17:52:19,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:43,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 52 states and 115 transitions. [2018-12-01 17:52:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 115 transitions. [2018-12-01 17:52:43,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 17:52:43,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:52:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 55 states and 123 transitions. [2018-12-01 17:52:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 123 transitions. [2018-12-01 17:52:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 17:52:54,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:56,531 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2018-12-01 17:52:57,029 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2018-12-01 17:52:57,290 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2018-12-01 17:52:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 156 transitions. [2018-12-01 17:53:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2018-12-01 17:53:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 17:53:40,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 67 states and 161 transitions. [2018-12-01 17:53:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 161 transitions. [2018-12-01 17:53:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 17:53:42,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:53:43,639 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2018-12-01 17:53:43,814 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-12-01 17:53:44,229 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2018-12-01 17:53:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 69 states and 175 transitions. [2018-12-01 17:53:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 175 transitions. [2018-12-01 17:53:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 17:53:54,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-01 17:54:05,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:54:05,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 64 states and 169 transitions. [2018-12-01 17:54:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 169 transitions. [2018-12-01 17:54:05,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:54:05,661 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-12-01 17:54:05,667 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:54:05,775 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-01 17:54:05,951 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2018-12-01 17:54:06,023 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-01 17:54:06,029 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-01 17:54:06,030 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:54:06,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:54:06 ImpRootNode [2018-12-01 17:54:06,030 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:54:06,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:54:06,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:54:06,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:54:06,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:01" (3/4) ... [2018-12-01 17:54:06,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:54:06,045 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-01 17:54:06,045 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 17:54:06,046 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 17:54:06,047 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:54:06,117 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2fe41b73-fa0c-4dac-9015-9341e5b92f12/bin-2019/ukojak/witness.graphml [2018-12-01 17:54:06,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:54:06,118 INFO L168 Benchmark]: Toolchain (without parser) took 381004.50 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 999.3 MB). Free memory was 949.5 MB in the beginning and 802.0 MB in the end (delta: 147.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,119 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:54:06,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,119 INFO L168 Benchmark]: Boogie Preprocessor took 52.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,120 INFO L168 Benchmark]: RCFGBuilder took 256233.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.5 MB). Peak memory consumption was 547.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,120 INFO L168 Benchmark]: CodeCheck took 124138.24 ms. Allocated memory was 1.3 GB in the beginning and 2.0 GB in the end (delta: 682.1 MB). Free memory was 1.1 GB in the beginning and 823.9 MB in the end (delta: 310.1 MB). Peak memory consumption was 992.2 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,120 INFO L168 Benchmark]: Witness Printer took 87.52 ms. Allocated memory is still 2.0 GB. Free memory was 823.9 MB in the beginning and 802.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:06,122 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, 245 locations, 1 error locations. SAFE Result, 123.7s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48752 SDtfs, 98952 SDslu, 64736 SDs, 0 SdLazy, 307890 SolverSat, 50944 SolverUnsat, 486 SolverUnknown, 0 SolverNotchecked, 463.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2573 GetRequests, 2200 SyntacticMatches, 169 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31052 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 111480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 78/390 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: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a21 == 9) || !(a15 == 5)) || !(a24 == 1)) || a12 <= 80 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(a15 == 5) || !(a21 == 9)) || !(a24 == 1)) || a12 <= 80 - 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256233.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.5 MB). Peak memory consumption was 547.7 MB. Max. memory is 11.5 GB. * CodeCheck took 124138.24 ms. Allocated memory was 1.3 GB in the beginning and 2.0 GB in the end (delta: 682.1 MB). Free memory was 1.1 GB in the beginning and 823.9 MB in the end (delta: 310.1 MB). Peak memory consumption was 992.2 MB. Max. memory is 11.5 GB. * Witness Printer took 87.52 ms. Allocated memory is still 2.0 GB. Free memory was 823.9 MB in the beginning and 802.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...