./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/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 53b983b7afabd36c3f52ff1a7123c853e0b66b99 ............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:06:13,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:06:13,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:06:13,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:06:13,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:06:13,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:06:13,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:06:13,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:06:13,293 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:06:13,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:06:13,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:06:13,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:06:13,295 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:06:13,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:06:13,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:06:13,297 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:06:13,298 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:06:13,299 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:06:13,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:06:13,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:06:13,302 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:06:13,303 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:06:13,304 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:06:13,304 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:06:13,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:06:13,305 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:06:13,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:06:13,306 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:06:13,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:06:13,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:06:13,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:06:13,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:06:13,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:06:13,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:06:13,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:06:13,309 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:06:13,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:06:13,318 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:06:13,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:06:13,319 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:06:13,319 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:06:13,319 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:06:13,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:06:13,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:06:13,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:06:13,320 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:06:13,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:06:13,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:06:13,320 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:06:13,321 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:06:13,321 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:06:13,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:06:13,322 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:06:13,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:06:13,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:06:13,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:06:13,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:06:13,322 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:06:13,322 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:06:13,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:06:13,323 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_9a372d62-868b-4be2-b0cb-589590ba794e/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 -> 53b983b7afabd36c3f52ff1a7123c853e0b66b99 [2018-11-23 15:06:13,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:06:13,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:06:13,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:06:13,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:06:13,353 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:06:13,354 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-11-23 15:06:13,387 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/data/73a485f66/3d71f94a5ffd4d6da7520d82709404ef/FLAGc379674ae [2018-11-23 15:06:13,829 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:06:13,829 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-11-23 15:06:13,838 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/data/73a485f66/3d71f94a5ffd4d6da7520d82709404ef/FLAGc379674ae [2018-11-23 15:06:13,849 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/data/73a485f66/3d71f94a5ffd4d6da7520d82709404ef [2018-11-23 15:06:13,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:06:13,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:06:13,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:06:13,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:06:13,856 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:06:13,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:13" (1/1) ... [2018-11-23 15:06:13,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:13, skipping insertion in model container [2018-11-23 15:06:13,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:13" (1/1) ... [2018-11-23 15:06:13,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:06:13,904 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:06:14,147 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:06:14,150 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:06:14,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:06:14,228 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:06:14,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14 WrapperNode [2018-11-23 15:06:14,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:06:14,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:06:14,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:06:14,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:06:14,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:06:14,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:06:14,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:06:14,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:06:14,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... [2018-11-23 15:06:14,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:06:14,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:06:14,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:06:14,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:06:14,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:06:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:06:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:06:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:07:29,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:07:29,278 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 15:07:29,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:29 BoogieIcfgContainer [2018-11-23 15:07:29,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:07:29,279 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:07:29,279 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:07:29,288 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:07:29,288 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:29" (1/1) ... [2018-11-23 15:07:29,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:07:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 15:07:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 15:07:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 15:07:29,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:07:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 15:07:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 15:07:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 15:07:29,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:07:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-11-23 15:07:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-11-23 15:07:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:07:30,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:07:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2018-11-23 15:07:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2018-11-23 15:07:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:07:31,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:07:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-11-23 15:07:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-11-23 15:07:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:07:42,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:07:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2018-11-23 15:07:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2018-11-23 15:07:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:07:42,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:07:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2018-11-23 15:07:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2018-11-23 15:07:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:07:53,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:07:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2018-11-23 15:07:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2018-11-23 15:07:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:07:54,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:07:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:07:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 15:07:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:07:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2018-11-23 15:07:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2018-11-23 15:07:55,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:07:55,041 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 15:07:55,047 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:07:55,153 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 15:07:55,160 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 15:07:55,161 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:07:55,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:07:55 ImpRootNode [2018-11-23 15:07:55,161 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:07:55,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:07:55,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:07:55,162 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:07:55,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:29" (3/4) ... [2018-11-23 15:07:55,165 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:07:55,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-11-23 15:07:55,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 15:07:55,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:07:55,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:07:55,260 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a372d62-868b-4be2-b0cb-589590ba794e/bin-2019/ukojak/witness.graphml [2018-11-23 15:07:55,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:07:55,261 INFO L168 Benchmark]: Toolchain (without parser) took 101408.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.7 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -63.5 MB). Peak memory consumption was 351.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:07:55,262 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:07:55,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.84 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.5 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:07:55,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -210.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:07:55,263 INFO L168 Benchmark]: Boogie Preprocessor took 51.18 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. [2018-11-23 15:07:55,263 INFO L168 Benchmark]: RCFGBuilder took 74893.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 1.1 GB in the beginning and 809.4 MB in the end (delta: 305.9 MB). Peak memory consumption was 482.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:07:55,263 INFO L168 Benchmark]: CodeCheck took 25882.03 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 94.9 MB). Free memory was 809.4 MB in the beginning and 1.0 GB in the end (delta: -226.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:07:55,263 INFO L168 Benchmark]: Witness Printer took 99.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:07:55,265 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, 25.7s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1496 SDtfs, 2892 SDslu, 1968 SDs, 0 SdLazy, 8568 SolverSat, 1084 SolverUnsat, 40 SolverUnknown, 0 SolverNotchecked, 82.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1039 GetRequests, 891 SyntacticMatches, 62 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3931 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 14448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 36/111 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: 190]: 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: (((!(a10 == 3) || a1 <= 218) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a19 == 8)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a10 == 3) || a1 <= 218) || !(a19 == 8)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.84 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.5 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -210.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.18 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. * RCFGBuilder took 74893.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 1.1 GB in the beginning and 809.4 MB in the end (delta: 305.9 MB). Peak memory consumption was 482.0 MB. Max. memory is 11.5 GB. * CodeCheck took 25882.03 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 94.9 MB). Free memory was 809.4 MB in the beginning and 1.0 GB in the end (delta: -226.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 99.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...