./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label59_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_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/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 f418d82fd3ea296ff0e64793b35fd062187cf0a9 ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:13:48,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:13:48,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:13:48,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:13:48,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:13:48,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:13:48,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:13:48,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:13:48,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:13:48,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:13:48,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:13:48,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:13:48,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:13:48,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:13:48,146 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:13:48,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:13:48,147 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:13:48,148 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:13:48,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:13:48,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:13:48,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:13:48,151 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:13:48,152 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:13:48,152 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:13:48,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:13:48,153 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:13:48,154 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:13:48,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:13:48,155 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:13:48,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:13:48,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:13:48,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:13:48,156 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:13:48,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:13:48,157 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:13:48,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:13:48,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:13:48,164 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:13:48,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:13:48,165 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:13:48,165 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:13:48,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:13:48,165 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:13:48,166 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:13:48,166 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:13:48,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:13:48,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:13:48,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:13:48,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:13:48,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:13:48,167 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:13:48,167 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:13:48,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:13:48,167 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:13:48,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:13:48,167 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:13:48,167 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:13:48,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:13:48,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:13:48,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:13:48,169 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_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/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 -> f418d82fd3ea296ff0e64793b35fd062187cf0a9 [2018-12-02 14:13:48,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:13:48,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:13:48,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:13:48,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:13:48,200 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:13:48,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-12-02 14:13:48,236 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/data/4600a759d/1849be312fe44787baea96224a0a7d3c/FLAGbb842133f [2018-12-02 14:13:48,617 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:13:48,618 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-12-02 14:13:48,625 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/data/4600a759d/1849be312fe44787baea96224a0a7d3c/FLAGbb842133f [2018-12-02 14:13:48,985 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/data/4600a759d/1849be312fe44787baea96224a0a7d3c [2018-12-02 14:13:48,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:13:48,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:13:48,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:13:48,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:13:48,996 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:13:48,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:48" (1/1) ... [2018-12-02 14:13:49,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:48, skipping insertion in model container [2018-12-02 14:13:49,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:48" (1/1) ... [2018-12-02 14:13:49,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:13:49,061 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:13:49,278 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:13:49,281 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:13:49,372 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:13:49,381 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:13:49,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49 WrapperNode [2018-12-02 14:13:49,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:13:49,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:13:49,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:13:49,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:13:49,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:13:49,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:13:49,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:13:49,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:13:49,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... [2018-12-02 14:13:49,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:13:49,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:13:49,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:13:49,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:13:49,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/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 [2018-12-02 14:13:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:13:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:18:35,205 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:18:35,205 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 14:18:35,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:35 BoogieIcfgContainer [2018-12-02 14:18:35,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:18:35,206 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:18:35,206 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:18:35,212 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:18:35,212 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:35" (1/1) ... [2018-12-02 14:18:35,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:18:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 14:18:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 14:18:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 14:18:35,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 14:18:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 14:18:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:18:35,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-12-02 14:18:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-12-02 14:18:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:18:35,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2018-12-02 14:18:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2018-12-02 14:18:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:18:37,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2018-12-02 14:18:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2018-12-02 14:18:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:18:38,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2018-12-02 14:18:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2018-12-02 14:18:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:18:40,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2018-12-02 14:18:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2018-12-02 14:18:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:18:40,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-12-02 14:18:41,400 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-12-02 14:18:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:18:41,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 14:18:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2018-12-02 14:18:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2018-12-02 14:18:42,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:18:42,870 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-12-02 14:18:42,876 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:18:43,092 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-02 14:18:43,100 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 14:18:43,100 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:18:43,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:18:43 ImpRootNode [2018-12-02 14:18:43,101 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:18:43,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:18:43,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:18:43,101 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:18:43,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:35" (3/4) ... [2018-12-02 14:18:43,105 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:18:43,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2018-12-02 14:18:43,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 14:18:43,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 14:18:43,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:18:43,199 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8e7cfb5-876d-4d30-ac7b-3a862fcebafb/bin-2019/ukojak/witness.graphml [2018-12-02 14:18:43,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:18:43,200 INFO L168 Benchmark]: Toolchain (without parser) took 294210.46 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 471.9 MB). Free memory was 945.2 MB in the beginning and 901.1 MB in the end (delta: 44.2 MB). Peak memory consumption was 516.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,200 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:18:43,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,201 INFO L168 Benchmark]: Boogie Preprocessor took 38.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,201 INFO L168 Benchmark]: RCFGBuilder took 285733.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 888.4 MB in the end (delta: 178.0 MB). Peak memory consumption was 501.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,201 INFO L168 Benchmark]: CodeCheck took 7895.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.6 MB). Free memory was 888.4 MB in the beginning and 927.0 MB in the end (delta: -38.6 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,202 INFO L168 Benchmark]: Witness Printer took 98.05 ms. Allocated memory is still 1.5 GB. Free memory was 927.0 MB in the beginning and 901.1 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:18:43,203 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, 7.6s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1492 SDtfs, 3074 SDslu, 2088 SDs, 0 SdLazy, 10410 SolverSat, 1744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1100 GetRequests, 901 SyntacticMatches, 83 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10692 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 33916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 8/122 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: 124]: 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: (0 < a12 + 43 || !(a21 == 6)) || !(a15 == 8) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(a15 == 8) || 0 < a12 + 43) || !(a21 == 6) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 285733.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 888.4 MB in the end (delta: 178.0 MB). Peak memory consumption was 501.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7895.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.6 MB). Free memory was 888.4 MB in the beginning and 927.0 MB in the end (delta: -38.6 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. * Witness Printer took 98.05 ms. Allocated memory is still 1.5 GB. Free memory was 927.0 MB in the beginning and 901.1 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...