./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/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 a927cd745098d9e21ce7b01680837c0fca41b6ee ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:48:00,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:48:00,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:48:00,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:48:00,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:48:00,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:48:00,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:48:00,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:48:00,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:48:00,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:48:00,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:48:00,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:48:00,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:48:00,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:48:00,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:48:00,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:48:00,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:48:00,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:48:00,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:48:00,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:48:00,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:48:00,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:48:00,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:48:00,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:48:00,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:48:00,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:48:00,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:48:00,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:48:00,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:48:00,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:48:00,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:48:00,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:48:00,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:48:00,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:48:00,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:48:00,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:48:00,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:48:00,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:48:00,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:48:00,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:48:00,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:48:00,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:48:00,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:48:00,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:48:00,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:48:00,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:48:00,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:48:00,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:48:00,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:48:00,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:48:00,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:48:00,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:48:00,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:48:00,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:48:00,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:48:00,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:48:00,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:48:00,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:48:00,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:48:00,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:48:00,362 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:48:00,362 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:48:00,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:48:00,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:48:00,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:48:00,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:48:00,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:48:00,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:48:00,364 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:48:00,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:48:00,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:48:00,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/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 -> a927cd745098d9e21ce7b01680837c0fca41b6ee [2019-11-20 03:48:00,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:48:00,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:48:00,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:48:00,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:48:00,542 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:48:00,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2019-11-20 03:48:00,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/data/e484cd8b4/4ec8557d88e94a5eb20da766384c6bc7/FLAG8ee046c35 [2019-11-20 03:48:01,124 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:48:01,127 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2019-11-20 03:48:01,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/data/e484cd8b4/4ec8557d88e94a5eb20da766384c6bc7/FLAG8ee046c35 [2019-11-20 03:48:01,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/data/e484cd8b4/4ec8557d88e94a5eb20da766384c6bc7 [2019-11-20 03:48:01,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:48:01,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:48:01,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:48:01,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:48:01,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:48:01,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:48:01" (1/1) ... [2019-11-20 03:48:01,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@838d432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:01, skipping insertion in model container [2019-11-20 03:48:01,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:48:01" (1/1) ... [2019-11-20 03:48:01,439 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:48:01,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:48:01,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:48:01,906 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:48:02,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:48:02,039 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:48:02,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02 WrapperNode [2019-11-20 03:48:02,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:48:02,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:48:02,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:48:02,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:48:02,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:48:02,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:48:02,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:48:02,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:48:02,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... [2019-11-20 03:48:02,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:48:02,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:48:02,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:48:02,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:48:02,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/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 [2019-11-20 03:48:02,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:48:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:49:45,879 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:49:45,879 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 03:49:45,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:45 BoogieIcfgContainer [2019-11-20 03:49:45,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:49:45,880 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:49:45,881 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:49:45,889 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:49:45,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:45" (1/1) ... [2019-11-20 03:49:45,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:49:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 03:49:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 03:49:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 03:49:45,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:49:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:49:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:49:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 03:49:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 03:49:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:49:46,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:49:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:49:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:49:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-20 03:49:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-20 03:49:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:49:47,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:49:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 03:50:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:50:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2019-11-20 03:50:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2019-11-20 03:50:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:50:04,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:50:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 03:50:05,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:50:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2019-11-20 03:50:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2019-11-20 03:50:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 03:50:05,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:50:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 03:50:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:50:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2019-11-20 03:50:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2019-11-20 03:50:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 03:50:06,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:50:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 03:50:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:50:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2019-11-20 03:50:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2019-11-20 03:50:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 03:50:07,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:50:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 03:50:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:50:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2019-11-20 03:50:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2019-11-20 03:50:08,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:50:08,151 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-11-20 03:50:08,162 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 03:50:08,382 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2019-11-20 03:50:08,516 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-11-20 03:50:08,535 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:50:08,535 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-11-20 03:50:08,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:50:08 ImpRootNode [2019-11-20 03:50:08,539 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:50:08,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:50:08,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:50:08,540 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:50:08,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:45" (3/4) ... [2019-11-20 03:50:08,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:50:08,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-11-20 03:50:08,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-20 03:50:08,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 03:50:08,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:50:08,798 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8ff98e4b-3b84-43b6-932d-960dd369309a/bin/ukojak/witness.graphml [2019-11-20 03:50:08,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:50:08,800 INFO L168 Benchmark]: Toolchain (without parser) took 127380.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.0 MB). Free memory was 939.4 MB in the beginning and 852.7 MB in the end (delta: 86.8 MB). Peak memory consumption was 324.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,800 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:50:08,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.32 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,804 INFO L168 Benchmark]: Boogie Preprocessor took 93.50 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,805 INFO L168 Benchmark]: RCFGBuilder took 103657.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.9 MB). Peak memory consumption was 321.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,806 INFO L168 Benchmark]: CodeCheck took 22658.37 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.2 MB). Free memory was 1.2 GB in the beginning and 876.8 MB in the end (delta: 277.8 MB). Peak memory consumption was 282.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,806 INFO L168 Benchmark]: Witness Printer took 259.31 ms. Allocated memory is still 1.3 GB. Free memory was 876.8 MB in the beginning and 852.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:08,809 INFO L335 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 22.2s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 808 SDtfs, 1700 SDslu, 1104 SDs, 0 SdLazy, 5104 SolverSat, 756 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 79.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 887 GetRequests, 758 SyntacticMatches, 45 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3391 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 11300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 40/86 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 160]: 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) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && ((a1 <= 38 || 219 <= a1) || !(1 == a10))) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && (((a1 <= 38 || 218 < a1) || !(a19 == 6)) || !(1 == a10)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.32 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.50 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 103657.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.9 MB). Peak memory consumption was 321.6 MB. Max. memory is 11.5 GB. * CodeCheck took 22658.37 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.2 MB). Free memory was 1.2 GB in the beginning and 876.8 MB in the end (delta: 277.8 MB). Peak memory consumption was 282.0 MB. Max. memory is 11.5 GB. * Witness Printer took 259.31 ms. Allocated memory is still 1.3 GB. Free memory was 876.8 MB in the beginning and 852.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...