./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 072df04afae5ae28487e0b8208c52f13961dea34 ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 05:49:16,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:49:16,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:49:16,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:49:16,956 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:49:16,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:49:16,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:49:16,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:49:16,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:49:16,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:49:16,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:49:16,961 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:49:16,962 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:49:16,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:49:16,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:49:16,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:49:16,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:49:16,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:49:16,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:49:16,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:49:16,967 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:49:16,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:49:16,969 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:49:16,969 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:49:16,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:49:16,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:49:16,970 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:49:16,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:49:16,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:49:16,971 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:49:16,971 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:49:16,971 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:49:16,972 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:49:16,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:49:16,972 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:49:16,972 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:49:16,973 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-02 05:49:16,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:49:16,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:49:16,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:49:16,983 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 05:49:16,983 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:49:16,983 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:49:16,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:49:16,984 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 05:49:16,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:49:16,985 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:49:16,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:49:16,985 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 05:49:16,985 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 05:49:16,985 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:49:16,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:49:16,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:49:16,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:49:16,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:49:16,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:49:16,986 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 05:49:16,986 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:49:16,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:49:16,987 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2018-12-02 05:49:17,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:49:17,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:49:17,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:49:17,024 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:49:17,024 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:49:17,024 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-12-02 05:49:17,070 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/data/da6b5fd34/1aa2a2a5104e4a1eae811bff09f7b197/FLAGeaa79389c [2018-12-02 05:49:17,498 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:49:17,498 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-12-02 05:49:17,501 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/data/da6b5fd34/1aa2a2a5104e4a1eae811bff09f7b197/FLAGeaa79389c [2018-12-02 05:49:17,511 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/data/da6b5fd34/1aa2a2a5104e4a1eae811bff09f7b197 [2018-12-02 05:49:17,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:49:17,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:49:17,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:49:17,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:49:17,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:49:17,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c04efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17, skipping insertion in model container [2018-12-02 05:49:17,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:49:17,536 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:49:17,625 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:49:17,627 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:49:17,637 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:49:17,648 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:49:17,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17 WrapperNode [2018-12-02 05:49:17,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:49:17,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:49:17,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:49:17,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:49:17,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:49:17,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:49:17,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:49:17,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:49:17,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:49:17,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:49:17,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:49:17,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:49:17,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:49:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 05:49:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:49:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:49:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:49:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:49:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:49:17,836 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:49:17,836 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 05:49:17,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:17 BoogieIcfgContainer [2018-12-02 05:49:17,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:49:17,837 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 05:49:17,837 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 05:49:17,843 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 05:49:17,844 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:17" (1/1) ... [2018-12-02 05:49:17,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:49:17,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:49:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-02 05:49:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-02 05:49:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 05:49:17,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:49:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:49:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:49:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:49:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-02 05:49:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-02 05:49:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 05:49:18,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:49:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:49:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:49:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:49:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-02 05:49:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-02 05:49:18,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:49:18,153 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-02 05:49:18,159 INFO L779 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-12-02 05:49:18,170 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 05:49:18,174 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:49:18,178 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:49:18,178 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 05:49:18,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:49:18 ImpRootNode [2018-12-02 05:49:18,178 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 05:49:18,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:49:18,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:49:18,179 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:49:18,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:17" (3/4) ... [2018-12-02 05:49:18,181 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:49:18,187 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 05:49:18,187 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:49:18,187 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:49:18,210 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6ce7a6e-c984-48e1-a828-fe78bff57ba3/bin-2019/ukojak/witness.graphml [2018-12-02 05:49:18,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:49:18,211 INFO L168 Benchmark]: Toolchain (without parser) took 697.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -103.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-12-02 05:49:18,212 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:49:18,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.96 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:49:18,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:49:18,213 INFO L168 Benchmark]: Boogie Preprocessor took 40.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:49:18,213 INFO L168 Benchmark]: RCFGBuilder took 124.31 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-12-02 05:49:18,213 INFO L168 Benchmark]: CodeCheck took 341.51 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:49:18,213 INFO L168 Benchmark]: Witness Printer took 31.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:49:18,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 58 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2018-12-02 05:49:18,216 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:49:18,217 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.96 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 124.31 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * CodeCheck took 341.51 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * Witness Printer took 31.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...