./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label40_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_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/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 9388cf462804d47fad308dddce36b73ef7e2c945 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:53:33,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:53:33,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:53:33,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:53:33,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:53:33,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:53:33,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:53:33,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:53:33,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:53:33,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:53:33,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:53:33,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:53:33,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:53:33,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:53:33,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:53:33,270 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:53:33,271 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:53:33,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:53:33,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:53:33,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:53:33,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:53:33,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:53:33,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:53:33,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:53:33,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:53:33,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:53:33,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:53:33,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:53:33,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:53:33,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:53:33,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:53:33,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:53:33,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:53:33,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:53:33,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:53:33,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:53:33,281 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:53:33,288 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:53:33,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:53:33,289 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:53:33,289 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:53:33,289 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:53:33,289 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:53:33,289 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:53:33,289 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:53:33,289 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:53:33,289 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:53:33,290 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:53:33,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:53:33,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:53:33,291 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:53:33,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/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 -> 9388cf462804d47fad308dddce36b73ef7e2c945 [2018-12-09 12:53:33,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:53:33,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:53:33,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:53:33,317 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:53:33,318 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:53:33,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-12-09 12:53:33,363 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/data/8b97582c2/9736ffdf9ba94f62a771b977ef35f82a/FLAGd183fa864 [2018-12-09 12:53:33,847 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:53:33,848 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-12-09 12:53:33,856 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/data/8b97582c2/9736ffdf9ba94f62a771b977ef35f82a/FLAGd183fa864 [2018-12-09 12:53:33,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/data/8b97582c2/9736ffdf9ba94f62a771b977ef35f82a [2018-12-09 12:53:33,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:53:33,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:53:33,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:33,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:53:33,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:53:33,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:33" (1/1) ... [2018-12-09 12:53:33,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:33, skipping insertion in model container [2018-12-09 12:53:33,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:53:33" (1/1) ... [2018-12-09 12:53:33,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:53:33,905 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:53:34,072 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:34,074 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:53:34,170 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:53:34,179 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:53:34,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34 WrapperNode [2018-12-09 12:53:34,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:53:34,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:34,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:53:34,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:53:34,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:53:34,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:53:34,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:53:34,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:53:34,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... [2018-12-09 12:53:34,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:53:34,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:53:34,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:53:34,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:53:34,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:53:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/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 [2018-12-09 12:53:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:53:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:54:05,655 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:54:05,656 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 12:54:05,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:54:05 BoogieIcfgContainer [2018-12-09 12:54:05,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:54:05,656 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:54:05,656 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:54:05,665 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:54:05,666 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:54:05" (1/1) ... [2018-12-09 12:54:05,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:54:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 12:54:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 12:54:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 12:54:05,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:54:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 12:54:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 12:54:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:54:05,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:54:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-09 12:54:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-09 12:54:06,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:54:06,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:54:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2018-12-09 12:54:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2018-12-09 12:54:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:54:27,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:54:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2018-12-09 12:54:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2018-12-09 12:54:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:54:27,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:54:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2018-12-09 12:54:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2018-12-09 12:54:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:54:28,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:54:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 43 transitions. [2018-12-09 12:54:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 43 transitions. [2018-12-09 12:54:38,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:54:38,943 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-09 12:54:38,948 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 12:54:39,071 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 12:54:39,078 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 12:54:39,078 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:54:39,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:54:39 ImpRootNode [2018-12-09 12:54:39,078 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:54:39,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:54:39,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:54:39,079 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:54:39,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:54:05" (3/4) ... [2018-12-09 12:54:39,081 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:54:39,092 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-09 12:54:39,092 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 12:54:39,093 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 12:54:39,093 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:54:39,153 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38a1536d-5c56-4ab3-93ad-31725dcdb3ff/bin-2019/ukojak/witness.graphml [2018-12-09 12:54:39,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:54:39,154 INFO L168 Benchmark]: Toolchain (without parser) took 65282.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.1 MB). Free memory was 954.9 MB in the beginning and 957.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 410.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:54:39,154 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. [2018-12-09 12:54:39,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:54:39,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:54:39,155 INFO L168 Benchmark]: Boogie Preprocessor took 36.68 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:54:39,155 INFO L168 Benchmark]: RCFGBuilder took 31393.64 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 816.5 MB in the end (delta: 300.4 MB). Peak memory consumption was 485.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:54:39,155 INFO L168 Benchmark]: CodeCheck took 33422.11 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 81.3 MB). Free memory was 816.5 MB in the beginning and 979.9 MB in the end (delta: -163.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:54:39,155 INFO L168 Benchmark]: Witness Printer took 74.44 ms. Allocated memory is still 1.4 GB. Free memory was 979.9 MB in the beginning and 957.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:54:39,156 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, 33.2s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 376 SDtfs, 750 SDslu, 496 SDs, 0 SdLazy, 2246 SolverSat, 282 SolverUnsat, 34 SolverUnknown, 0 SolverNotchecked, 91.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 597 SyntacticMatches, 28 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2738 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 13336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 12/54 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: 151]: 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 == 8) && a12 == 0) && a4 == 14) || ((41 <= a1 && a12 == 0) && a4 == 14)) || ((a12 == 0 && !(a10 == 0)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && (!(a19 == 8) || !(a10 == 0))) && a4 == 14 - 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.68 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 31393.64 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 816.5 MB in the end (delta: 300.4 MB). Peak memory consumption was 485.0 MB. Max. memory is 11.5 GB. * CodeCheck took 33422.11 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 81.3 MB). Free memory was 816.5 MB in the beginning and 979.9 MB in the end (delta: -163.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 74.44 ms. Allocated memory is still 1.4 GB. Free memory was 979.9 MB in the beginning and 957.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...