./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/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 0.1.23-5842f4b [2018-11-18 15:18:47,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:18:47,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:18:47,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:18:47,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:18:47,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:18:47,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:18:47,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:18:47,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:18:47,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:18:47,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:18:47,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:18:47,050 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:18:47,051 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:18:47,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:18:47,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:18:47,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:18:47,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:18:47,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:18:47,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:18:47,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:18:47,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:18:47,059 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:18:47,060 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:18:47,060 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:18:47,060 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:18:47,061 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:18:47,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:18:47,062 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:18:47,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:18:47,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:18:47,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:18:47,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:18:47,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:18:47,065 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:18:47,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:18:47,065 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 15:18:47,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:18:47,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:18:47,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:18:47,076 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:18:47,077 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:18:47,077 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:18:47,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:18:47,077 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:18:47,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:18:47,078 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:18:47,079 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:18:47,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:18:47,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:18:47,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:18:47,079 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:18:47,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:18:47,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:18:47,079 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:18:47,080 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:18:47,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:18:47,080 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_1a463103-781d-48e4-a6d7-312e7e181491/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 [2018-11-18 15:18:47,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:18:47,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:18:47,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:18:47,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:18:47,113 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:18:47,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c [2018-11-18 15:18:47,150 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/data/f0c7dba5a/691b188c73694da4b0ef68a6c98fe193/FLAGb78b010c4 [2018-11-18 15:18:47,569 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:18:47,569 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c [2018-11-18 15:18:47,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/data/f0c7dba5a/691b188c73694da4b0ef68a6c98fe193/FLAGb78b010c4 [2018-11-18 15:18:47,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/data/f0c7dba5a/691b188c73694da4b0ef68a6c98fe193 [2018-11-18 15:18:47,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:18:47,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:18:47,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:18:47,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:18:47,594 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:18:47,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c0c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47, skipping insertion in model container [2018-11-18 15:18:47,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:18:47,618 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:18:47,741 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:18:47,743 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:18:47,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:18:47,765 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:18:47,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47 WrapperNode [2018-11-18 15:18:47,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:18:47,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:18:47,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:18:47,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:18:47,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:18:47,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:18:47,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:18:47,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:18:47,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... [2018-11-18 15:18:47,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:18:47,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:18:47,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:18:47,837 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:18:47,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/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 [2018-11-18 15:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:18:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:18:48,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:18:48,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:18:48 BoogieIcfgContainer [2018-11-18 15:18:48,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:18:48,006 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:18:48,007 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:18:48,014 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:18:48,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:18:48" (1/1) ... [2018-11-18 15:18:48,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:18:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:18:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-11-18 15:18:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-11-18 15:18:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 15:18:48,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:18:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:18:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:18:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-11-18 15:18:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-11-18 15:18:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 15:18:48,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:18:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:18:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:18:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-11-18 15:18:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-11-18 15:18:48,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:18:48,458 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-18 15:18:48,464 INFO L775 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-18 15:18:48,475 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:18:48,477 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 15:18:48,479 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 15:18:48,482 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 15:18:48,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:18:48 ImpRootNode [2018-11-18 15:18:48,483 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:18:48,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:18:48,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:18:48,483 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:18:48,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:18:48" (3/4) ... [2018-11-18 15:18:48,487 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:18:48,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 15:18:48,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:18:48,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:18:48,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:18:48,521 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a463103-781d-48e4-a6d7-312e7e181491/bin-2019/ukojak/witness.graphml [2018-11-18 15:18:48,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:18:48,522 INFO L168 Benchmark]: Toolchain (without parser) took 932.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -105.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,523 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:18:48,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.42 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,524 INFO L168 Benchmark]: Boogie Preprocessor took 49.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,524 INFO L168 Benchmark]: RCFGBuilder took 168.77 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,524 INFO L168 Benchmark]: CodeCheck took 476.24 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: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,525 INFO L168 Benchmark]: Witness Printer took 38.73 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:48,527 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, 13 locations, 2 error locations. SAFE Result, 0.4s 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, 0.2s 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, 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 Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant [2018-11-18 15:18:48,528 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 15:18:48,528 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.42 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 168.77 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 476.24 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: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * Witness Printer took 38.73 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: 2.7 MB). Peak memory consumption was 2.7 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...