./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/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 0.1.24-678e011 [2019-11-20 07:25:48,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:25:48,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:25:48,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:25:48,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:25:48,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:25:48,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:25:48,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:25:48,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:25:48,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:25:48,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:25:48,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:25:48,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:25:48,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:25:48,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:25:48,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:25:48,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:25:48,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:25:48,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:25:48,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:25:48,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:25:48,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:25:48,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:25:48,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:25:48,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:25:48,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:25:48,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:25:48,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:25:48,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:25:48,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:25:49,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:25:49,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:25:49,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:25:49,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:25:49,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:25:49,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:25:49,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:25:49,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:25:49,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:25:49,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:25:49,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:25:49,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:25:49,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:25:49,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:25:49,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:25:49,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:25:49,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:25:49,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:25:49,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:25:49,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:25:49,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:25:49,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:25:49,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:25:49,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:25:49,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:25:49,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:25:49,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:25:49,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:25:49,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:25:49,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:25:49,026 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:25:49,026 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:25:49,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:25:49,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:25:49,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:25:49,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:25:49,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:25:49,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:25:49,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:25:49,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:25:49,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:25:49,029 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_06dd9315-d219-4615-8b3f-3d622e0277b7/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 [2019-11-20 07:25:49,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:25:49,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:25:49,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:25:49,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:25:49,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:25:49,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/../../sv-benchmarks/c/bitvector/jain_4-2.c [2019-11-20 07:25:49,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/data/97313e9e5/674c1ac56ecb4d8d93725680fe2919c3/FLAG27e20d0a4 [2019-11-20 07:25:49,747 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:25:49,748 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/sv-benchmarks/c/bitvector/jain_4-2.c [2019-11-20 07:25:49,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/data/97313e9e5/674c1ac56ecb4d8d93725680fe2919c3/FLAG27e20d0a4 [2019-11-20 07:25:50,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/data/97313e9e5/674c1ac56ecb4d8d93725680fe2919c3 [2019-11-20 07:25:50,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:25:50,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:25:50,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:25:50,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:25:50,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:25:50,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f1b7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50, skipping insertion in model container [2019-11-20 07:25:50,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:25:50,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:25:50,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:25:50,440 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:25:50,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:25:50,542 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:25:50,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50 WrapperNode [2019-11-20 07:25:50,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:25:50,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:25:50,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:25:50,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:25:50,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:25:50,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:25:50,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:25:50,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:25:50,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:25:50,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:25:50,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:25:50,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:25:50,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:25:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/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 07:25:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:25:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:25:50,903 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:25:50,903 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 07:25:50,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:50 BoogieIcfgContainer [2019-11-20 07:25:50,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:25:50,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:25:50,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:25:50,916 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:25:50,932 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:50" (1/1) ... [2019-11-20 07:25:50,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:25:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:25:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-11-20 07:25:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-11-20 07:25:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 07:25:51,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:25:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:25:51,206 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 07:25:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:25:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-11-20 07:25:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-20 07:25:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 07:25:51,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:25:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:25:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:25:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:25:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 4 states and 5 transitions. [2019-11-20 07:25:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 5 transitions. [2019-11-20 07:25:51,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:25:51,771 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-11-20 07:25:51,781 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:25:51,813 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 07:25:51,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:25:51 ImpRootNode [2019-11-20 07:25:51,825 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:25:51,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:25:51,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:25:51,826 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:25:51,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:25:50" (3/4) ... [2019-11-20 07:25:51,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:25:51,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 07:25:51,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 07:25:51,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:25:51,885 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_06dd9315-d219-4615-8b3f-3d622e0277b7/bin/ukojak/witness.graphml [2019-11-20 07:25:51,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:25:51,888 INFO L168 Benchmark]: Toolchain (without parser) took 1716.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -117.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:25:51,888 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:25:51,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:25:51,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.12 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. [2019-11-20 07:25:51,890 INFO L168 Benchmark]: Boogie Preprocessor took 16.87 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. [2019-11-20 07:25:51,891 INFO L168 Benchmark]: RCFGBuilder took 315.21 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:25:51,891 INFO L168 Benchmark]: CodeCheck took 920.81 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:25:51,892 INFO L168 Benchmark]: Witness Printer took 59.98 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. [2019-11-20 07:25:51,894 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: 0.8s, 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, 0.4s 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 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.12 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 16.87 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 315.21 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 920.81 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Witness Printer took 59.98 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...