./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label19_true-unreach-call.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_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label19_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/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 6ffc1a2e440f19ab5345a0f41cc091ac897781e0 .......................................................................................................................................................................................................................................................................... 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 02:10:26,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:10:26,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:10:26,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:10:26,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:10:26,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:10:26,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:10:26,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:10:26,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:10:26,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:10:26,298 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:10:26,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:10:26,299 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:10:26,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:10:26,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:10:26,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:10:26,301 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:10:26,302 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:10:26,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:10:26,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:10:26,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:10:26,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:10:26,305 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:10:26,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:10:26,306 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:10:26,306 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:10:26,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:10:26,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:10:26,307 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:10:26,308 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:10:26,308 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:10:26,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:10:26,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:10:26,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:10:26,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:10:26,309 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:10:26,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:10:26,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:10:26,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:10:26,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:10:26,317 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:10:26,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:10:26,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:10:26,318 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:10:26,319 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:10:26,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:10:26,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:10:26,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:10:26,320 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_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/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 -> 6ffc1a2e440f19ab5345a0f41cc091ac897781e0 [2018-12-02 02:10:26,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:10:26,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:10:26,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:10:26,345 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:10:26,345 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:10:26,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label19_true-unreach-call.c [2018-12-02 02:10:26,379 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/data/acde9acd2/f76c454371bb49e7944eeb71b0e739b2/FLAG6fd73743a [2018-12-02 02:10:26,805 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:10:26,805 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/sv-benchmarks/c/eca-rers2012/Problem10_label19_true-unreach-call.c [2018-12-02 02:10:26,814 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/data/acde9acd2/f76c454371bb49e7944eeb71b0e739b2/FLAG6fd73743a [2018-12-02 02:10:27,136 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/data/acde9acd2/f76c454371bb49e7944eeb71b0e739b2 [2018-12-02 02:10:27,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:10:27,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:10:27,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:10:27,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:10:27,150 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:10:27,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,152 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 02.12 02:10:27, skipping insertion in model container [2018-12-02 02:10:27,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:10:27,190 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:10:27,373 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:10:27,376 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:10:27,478 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:10:27,491 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:10:27,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27 WrapperNode [2018-12-02 02:10:27,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:10:27,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:10:27,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:10:27,492 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:10:27,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:10:27,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:10:27,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:10:27,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:10:27,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2018-12-02 02:10:27,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:10:27,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:10:27,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:10:27,584 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:10:27,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/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 02:10:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:10:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:11:13,887 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:11:13,888 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:11:13,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:13 BoogieIcfgContainer [2018-12-02 02:11:13,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:11:13,888 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:11:13,888 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:11:13,895 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:11:13,895 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:13" (1/1) ... [2018-12-02 02:11:13,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 02:11:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 02:11:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 02:11:13,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:14,032 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 02:11:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 02:11:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 02:11:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 02:11:14,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:14,327 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 02:11:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-02 02:11:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-02 02:11:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:11:14,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:14,860 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 02:11:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-12-02 02:11:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-12-02 02:11:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:11:15,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:15,527 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 02:11:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-12-02 02:11:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-12-02 02:11:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:11:15,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:15,800 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 02:11:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2018-12-02 02:11:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2018-12-02 02:11:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:11:15,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:11:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-12-02 02:11:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-12-02 02:11:16,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:11:16,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:11:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2018-12-02 02:11:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2018-12-02 02:11:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:11:17,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:11:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2018-12-02 02:11:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2018-12-02 02:11:17,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:11:17,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:11:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2018-12-02 02:11:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2018-12-02 02:11:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:11:18,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:11:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 43 transitions. [2018-12-02 02:11:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 43 transitions. [2018-12-02 02:11:18,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:11:18,411 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 02:11:18,416 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 02:11:18,536 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-02 02:11:18,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:11:18,545 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-02 02:11:18,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:11:18 ImpRootNode [2018-12-02 02:11:18,546 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:11:18,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:11:18,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:11:18,547 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:11:18,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:13" (3/4) ... [2018-12-02 02:11:18,550 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:11:18,564 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-12-02 02:11:18,565 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 02:11:18,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 02:11:18,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:11:18,643 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19317a03-98ea-45ca-b7a0-4260ffb7ac6c/bin-2019/ukojak/witness.graphml [2018-12-02 02:11:18,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:11:18,643 INFO L168 Benchmark]: Toolchain (without parser) took 51501.32 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 448.3 MB). Free memory was 950.6 MB in the beginning and 984.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 414.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,644 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 02:11:18,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.67 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,645 INFO L168 Benchmark]: Boogie Preprocessor took 36.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,645 INFO L168 Benchmark]: RCFGBuilder took 46304.28 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.9 MB). Peak memory consumption was 503.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,645 INFO L168 Benchmark]: CodeCheck took 4657.83 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 111.7 MB). Free memory was 1.3 GB in the beginning and 995.9 MB in the end (delta: 289.3 MB). Peak memory consumption was 400.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,646 INFO L168 Benchmark]: Witness Printer took 96.62 ms. Allocated memory is still 1.5 GB. Free memory was 995.9 MB in the beginning and 984.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:18,647 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, 206 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5992 SDtfs, 11736 SDslu, 7888 SDs, 0 SdLazy, 35284 SolverSat, 4284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1373 GetRequests, 1184 SyntacticMatches, 105 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4034 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 17976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 60/138 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: 91]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 0))) || ((23 <= a1 && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((218 < a1 || !(a19 == 7)) || !(a10 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.67 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 46304.28 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.9 MB). Peak memory consumption was 503.3 MB. Max. memory is 11.5 GB. * CodeCheck took 4657.83 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 111.7 MB). Free memory was 1.3 GB in the beginning and 995.9 MB in the end (delta: 289.3 MB). Peak memory consumption was 400.9 MB. Max. memory is 11.5 GB. * Witness Printer took 96.62 ms. Allocated memory is still 1.5 GB. Free memory was 995.9 MB in the beginning and 984.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...