./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label04_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_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/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 5fd2482788fea6b43734c3f004d7ea7158b142e8 ................................................................................................................................................................................................................................................................................. 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 09:02:18,035 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:02:18,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:02:18,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:02:18,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:02:18,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:02:18,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:02:18,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:02:18,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:02:18,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:02:18,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:02:18,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:02:18,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:02:18,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:02:18,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:02:18,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:02:18,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:02:18,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:02:18,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:02:18,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:02:18,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:02:18,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:02:18,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:02:18,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:02:18,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:02:18,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:02:18,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:02:18,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:02:18,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:02:18,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:02:18,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:02:18,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:02:18,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:02:18,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:02:18,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:02:18,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:02:18,059 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 09:02:18,066 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:02:18,067 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:02:18,067 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:02:18,067 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:02:18,068 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:02:18,068 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:02:18,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:02:18,069 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:02:18,069 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:02:18,069 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:02:18,069 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:02:18,069 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:02:18,069 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:02:18,069 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:02:18,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:02:18,070 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:02:18,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:02:18,071 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_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/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 -> 5fd2482788fea6b43734c3f004d7ea7158b142e8 [2018-12-09 09:02:18,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:02:18,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:02:18,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:02:18,099 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:02:18,099 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:02:18,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-12-09 09:02:18,139 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/data/7980245e5/f45f57fc75184d4383d70e0133060ad3/FLAG76466965e [2018-12-09 09:02:18,524 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:02:18,524 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-12-09 09:02:18,531 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/data/7980245e5/f45f57fc75184d4383d70e0133060ad3/FLAG76466965e [2018-12-09 09:02:18,882 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/data/7980245e5/f45f57fc75184d4383d70e0133060ad3 [2018-12-09 09:02:18,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:02:18,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:02:18,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:02:18,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:02:18,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:02:18,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:02:18" (1/1) ... [2018-12-09 09:02:18,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@870cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:18, skipping insertion in model container [2018-12-09 09:02:18,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:02:18" (1/1) ... [2018-12-09 09:02:18,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:02:18,916 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:02:19,084 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:02:19,087 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:02:19,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:02:19,199 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:02:19,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19 WrapperNode [2018-12-09 09:02:19,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:02:19,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:02:19,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:02:19,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:02:19,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:02:19,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:02:19,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:02:19,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:02:19,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... [2018-12-09 09:02:19,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:02:19,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:02:19,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:02:19,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:02:19,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/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 09:02:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:02:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:03:14,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:03:14,008 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 09:03:14,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:03:14 BoogieIcfgContainer [2018-12-09 09:03:14,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:03:14,008 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:03:14,008 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:03:14,015 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:03:14,015 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:03:14" (1/1) ... [2018-12-09 09:03:14,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:03:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 09:03:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 09:03:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 09:03:14,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:14,147 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 09:03:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 09:03:14,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 09:03:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 09:03:14,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:14,407 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 09:03:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-09 09:03:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-09 09:03:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 09:03:15,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:15,649 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 09:03:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2018-12-09 09:03:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2018-12-09 09:03:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 09:03:16,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:16,517 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 09:03:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-12-09 09:03:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-12-09 09:03:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 09:03:16,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:16,939 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 09:03:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-12-09 09:03:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-12-09 09:03:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 09:03:17,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:17,454 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 09:03:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2018-12-09 09:03:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2018-12-09 09:03:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 09:03:18,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:18,681 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 09:03:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 101 transitions. [2018-12-09 09:03:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2018-12-09 09:03:39,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 09:03:39,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:39,811 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 09:03:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2018-12-09 09:03:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2018-12-09 09:03:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 09:03:40,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:40,272 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 09:03:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 104 transitions. [2018-12-09 09:03:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2018-12-09 09:03:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 09:03:40,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 09:03:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-12-09 09:03:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-12-09 09:03:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 09:03:41,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:03:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:03:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 09:03:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:03:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2018-12-09 09:03:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2018-12-09 09:03:42,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:03:42,287 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-12-09 09:03:42,293 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 09:03:42,518 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-09 09:03:42,526 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-09 09:03:42,527 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:03:42,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:03:42 ImpRootNode [2018-12-09 09:03:42,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:03:42,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:03:42,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:03:42,528 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:03:42,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:03:14" (3/4) ... [2018-12-09 09:03:42,531 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:03:42,543 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-12-09 09:03:42,544 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 09:03:42,544 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 09:03:42,545 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:03:42,616 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e0c67fb-21e7-46d1-8792-4954e9bd5e79/bin-2019/ukojak/witness.graphml [2018-12-09 09:03:42,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:03:42,617 INFO L168 Benchmark]: Toolchain (without parser) took 83733.36 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 594.5 MB). Free memory was 950.6 MB in the beginning and 873.8 MB in the end (delta: 76.8 MB). Peak memory consumption was 671.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:42,618 INFO L168 Benchmark]: CDTParser took 0.15 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 09:03:42,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:42,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.67 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. [2018-12-09 09:03:42,619 INFO L168 Benchmark]: Boogie Preprocessor took 49.44 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:42,619 INFO L168 Benchmark]: RCFGBuilder took 54698.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -179.4 MB). Peak memory consumption was 492.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:42,620 INFO L168 Benchmark]: CodeCheck took 28518.97 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 269.0 MB). Free memory was 1.3 GB in the beginning and 903.5 MB in the end (delta: 374.9 MB). Peak memory consumption was 643.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:42,620 INFO L168 Benchmark]: Witness Printer took 89.21 ms. Allocated memory is still 1.6 GB. Free memory was 903.5 MB in the beginning and 873.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:42,621 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, 28.2s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13368 SDtfs, 26506 SDslu, 18544 SDs, 0 SdLazy, 85824 SolverSat, 11498 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 111.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1718 GetRequests, 1483 SyntacticMatches, 83 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11203 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 30740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 72/189 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: 202]: 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 == 6) && a12 == 0) && a4 == 14) || ((a12 == 0 && a1 + 13 <= 0) && a4 == 14)) || ((a12 == 0 && (219 <= a1 || !(a10 == 1))) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && a4 == 14) && (((a19 <= 5 || !(a10 == 1)) || a1 + 13 <= 0) || 6 < a19)) || ((505232 <= a1 && a12 == 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 0.15 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 314.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.67 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 49.44 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 54698.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -179.4 MB). Peak memory consumption was 492.2 MB. Max. memory is 11.5 GB. * CodeCheck took 28518.97 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 269.0 MB). Free memory was 1.3 GB in the beginning and 903.5 MB in the end (delta: 374.9 MB). Peak memory consumption was 643.8 MB. Max. memory is 11.5 GB. * Witness Printer took 89.21 ms. Allocated memory is still 1.6 GB. Free memory was 903.5 MB in the beginning and 873.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...