./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/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 403f476a24ae810402b4ab8eaf46c79b7e5bf003 ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:23:02,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:23:02,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:23:02,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:23:02,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:23:02,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:23:02,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:23:02,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:23:02,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:23:02,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:23:02,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:23:02,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:23:02,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:23:02,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:23:02,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:23:02,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:23:02,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:23:02,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:23:02,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:23:02,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:23:02,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:23:02,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:23:02,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:23:02,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:23:02,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:23:02,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:23:02,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:23:02,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:23:02,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:23:02,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:23:02,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:23:02,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:23:02,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:23:02,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:23:02,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:23:02,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:23:02,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:23:02,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:23:02,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:23:02,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:23:02,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:23:02,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:23:02,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:23:02,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:23:02,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:23:02,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:23:02,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:23:02,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:23:02,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:23:02,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:23:02,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:23:02,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:23:02,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:23:02,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:23:02,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:23:02,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:23:02,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:23:02,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:23:02,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:23:02,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:23:02,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:23:02,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:23:02,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:23:02,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:23:02,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:23:02,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:23:02,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:23:02,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:23:02,231 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:23:02,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:23:02,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:23:02,232 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_3b5f8871-28be-454e-9676-2f9c6cecc4b8/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 -> 403f476a24ae810402b4ab8eaf46c79b7e5bf003 [2019-11-26 02:23:02,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:23:02,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:23:02,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:23:02,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:23:02,387 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:23:02,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/../../sv-benchmarks/c/bitvector/jain_4-2.c [2019-11-26 02:23:02,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/data/e48552149/afffe2303b19468eb6b0d1f39959fa3e/FLAG78c5898f6 [2019-11-26 02:23:02,787 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:23:02,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/sv-benchmarks/c/bitvector/jain_4-2.c [2019-11-26 02:23:02,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/data/e48552149/afffe2303b19468eb6b0d1f39959fa3e/FLAG78c5898f6 [2019-11-26 02:23:03,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/data/e48552149/afffe2303b19468eb6b0d1f39959fa3e [2019-11-26 02:23:03,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:23:03,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:23:03,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:23:03,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:23:03,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:23:03,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fba7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03, skipping insertion in model container [2019-11-26 02:23:03,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:23:03,203 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:23:03,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:23:03,360 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:23:03,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:23:03,463 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:23:03,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03 WrapperNode [2019-11-26 02:23:03,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:23:03,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:23:03,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:23:03,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:23:03,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:23:03,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:23:03,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:23:03,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:23:03,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:23:03,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:23:03,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:23:03,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:23:03,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/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 [2019-11-26 02:23:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:23:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:23:03,741 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:23:03,742 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:23:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:23:03 BoogieIcfgContainer [2019-11-26 02:23:03,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:23:03,743 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:23:03,743 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:23:03,763 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:23:03,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:23:03" (1/1) ... [2019-11-26 02:23:03,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:23:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:23:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-11-26 02:23:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-11-26 02:23:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:23:03,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:23:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:23:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:23:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:23:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-11-26 02:23:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-26 02:23:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:23:04,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:23:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:23:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:23:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:23:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 4 states and 5 transitions. [2019-11-26 02:23:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 5 transitions. [2019-11-26 02:23:04,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:23:04,375 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-11-26 02:23:04,384 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:23:04,418 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-26 02:23:04,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:23:04 ImpRootNode [2019-11-26 02:23:04,434 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:23:04,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:23:04,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:23:04,435 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:23:04,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:23:03" (3/4) ... [2019-11-26 02:23:04,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:23:04,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-26 02:23:04,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:23:04,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:23:04,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b5f8871-28be-454e-9676-2f9c6cecc4b8/bin/ukojak/witness.graphml [2019-11-26 02:23:04,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:23:04,492 INFO L168 Benchmark]: Toolchain (without parser) took 1319.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:04,492 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:23:04,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:04,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.26 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. [2019-11-26 02:23:04,494 INFO L168 Benchmark]: Boogie Preprocessor took 18.18 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. [2019-11-26 02:23:04,494 INFO L168 Benchmark]: RCFGBuilder took 227.90 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:04,495 INFO L168 Benchmark]: CodeCheck took 690.44 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:04,496 INFO L168 Benchmark]: Witness Printer took 55.82 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. [2019-11-26 02:23:04,498 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, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 40 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 6]: 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: 4]: Loop Invariant Derived loop invariant: z + x + y <= 4 * ((z + x + y) / 4) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.26 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 18.18 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 227.90 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 690.44 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.82 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...