./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/const_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/const_1-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/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 658f9355eb94ca4eb61d6206a3a34efe0abb7f9e .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:10,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:10,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:10,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:10,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:10,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:10,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:10,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:10,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:10,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:10,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:10,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:10,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:10,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:10,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:10,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:10,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:10,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:10,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:10,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:10,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:10,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:10,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:10,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:10,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:10,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:10,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:10,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:10,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:10,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:10,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:10,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:10,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:10,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:10,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:10,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:10,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:10,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:10,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:10,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:10,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:10,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:10,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:10,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:10,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:10,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:10,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:10,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:10,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:10,184 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:10,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:10,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:10,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:10,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:10,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:10,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:10,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:10,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:10,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:10,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:10,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:10,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:10,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:10,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:10,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:10,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:10,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:10,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:10,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:10,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:10,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:10,188 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/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/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 -> 658f9355eb94ca4eb61d6206a3a34efe0abb7f9e [2019-10-22 10:12:10,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:10,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:10,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:10,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:10,252 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:10,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/../../sv-benchmarks/c/loop-acceleration/const_1-1.c [2019-10-22 10:12:10,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/data/a0c354979/5e9d9f4e415542fd82825479f393a76d/FLAGf89163dd4 [2019-10-22 10:12:10,758 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:10,758 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/sv-benchmarks/c/loop-acceleration/const_1-1.c [2019-10-22 10:12:10,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/data/a0c354979/5e9d9f4e415542fd82825479f393a76d/FLAGf89163dd4 [2019-10-22 10:12:11,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/data/a0c354979/5e9d9f4e415542fd82825479f393a76d [2019-10-22 10:12:11,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:11,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:11,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:11,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:11,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:11,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e737ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11, skipping insertion in model container [2019-10-22 10:12:11,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:11,148 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:11,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:11,315 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:11,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:11,427 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:11,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11 WrapperNode [2019-10-22 10:12:11,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:11,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:11,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:11,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:11,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:11,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:11,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:11,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:11,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:11,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:11,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:11,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:11,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/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 [2019-10-22 10:12:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:11,696 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:11,696 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:12:11,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:11 BoogieIcfgContainer [2019-10-22 10:12:11,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:11,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:11,699 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:11,711 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:11,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-10-22 10:12:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-10-22 10:12:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:12:11,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-10-22 10:12:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-10-22 10:12:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:11,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-10-22 10:12:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-10-22 10:12:12,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:12:12,291 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-10-22 10:12:12,302 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:12:12,340 INFO L575 CodeCheckObserver]: Invariant with dag size 13 [2019-10-22 10:12:12,355 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:12,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:12 ImpRootNode [2019-10-22 10:12:12,356 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:12,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:12,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:12,356 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:12,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:11" (3/4) ... [2019-10-22 10:12:12,362 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:12:12,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:12:12,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:12:12,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43fcd0e8-ec23-4cc7-a5e6-2ab8b66a424e/bin/ukojak/witness.graphml [2019-10-22 10:12:12,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:12,427 INFO L168 Benchmark]: Toolchain (without parser) took 1313.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:12,429 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:12,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:12,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:12,432 INFO L168 Benchmark]: Boogie Preprocessor took 17.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:12,435 INFO L168 Benchmark]: RCFGBuilder took 217.91 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:12,436 INFO L168 Benchmark]: CodeCheck took 657.27 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:12,437 INFO L168 Benchmark]: Witness Printer took 68.14 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. [2019-10-22 10:12:12,439 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, 7 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 28 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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: 5]: 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: 14]: Loop Invariant Derived loop invariant: (y <= 0 && 0 <= y) || (x <= 4294967296 * (x / 4294967296) && 0 <= x) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 217.91 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 657.27 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Witness Printer took 68.14 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...